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https://github.com/ASDjonok/OOP_IO-2x_2023.git
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Compare commits
11 Commits
ІО-23/30-Ш
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ІО-24/30-Ф
| Author | SHA1 | Date | |
|---|---|---|---|
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8b6da131a0 |
2
.gitignore
vendored
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2
.gitignore
vendored
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@@ -0,0 +1,2 @@
|
|||||||
|
# Project exclude paths
|
||||||
|
/out/
|
||||||
8
.idea/.gitignore
generated
vendored
Normal file
8
.idea/.gitignore
generated
vendored
Normal file
@@ -0,0 +1,8 @@
|
|||||||
|
# Default ignored files
|
||||||
|
/shelf/
|
||||||
|
/workspace.xml
|
||||||
|
# Editor-based HTTP Client requests
|
||||||
|
/httpRequests/
|
||||||
|
# Datasource local storage ignored files
|
||||||
|
/dataSources/
|
||||||
|
/dataSources.local.xml
|
||||||
6
.idea/misc.xml
generated
Normal file
6
.idea/misc.xml
generated
Normal file
@@ -0,0 +1,6 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<project version="4">
|
||||||
|
<component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
|
||||||
|
<output url="file://$PROJECT_DIR$/out" />
|
||||||
|
</component>
|
||||||
|
</project>
|
||||||
8
.idea/modules.xml
generated
Normal file
8
.idea/modules.xml
generated
Normal file
@@ -0,0 +1,8 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<project version="4">
|
||||||
|
<component name="ProjectModuleManager">
|
||||||
|
<modules>
|
||||||
|
<module fileurl="file://$PROJECT_DIR$/OOP_IO-2x_2023.iml" filepath="$PROJECT_DIR$/OOP_IO-2x_2023.iml" />
|
||||||
|
</modules>
|
||||||
|
</component>
|
||||||
|
</project>
|
||||||
124
.idea/uiDesigner.xml
generated
Normal file
124
.idea/uiDesigner.xml
generated
Normal file
@@ -0,0 +1,124 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<project version="4">
|
||||||
|
<component name="Palette2">
|
||||||
|
<group name="Swing">
|
||||||
|
<item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
|
||||||
|
</item>
|
||||||
|
<item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
|
||||||
|
<initial-values>
|
||||||
|
<property name="text" value="Button" />
|
||||||
|
</initial-values>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
|
||||||
|
<initial-values>
|
||||||
|
<property name="text" value="RadioButton" />
|
||||||
|
</initial-values>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
|
||||||
|
<initial-values>
|
||||||
|
<property name="text" value="CheckBox" />
|
||||||
|
</initial-values>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
|
||||||
|
<initial-values>
|
||||||
|
<property name="text" value="Label" />
|
||||||
|
</initial-values>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
|
||||||
|
<preferred-size width="150" height="-1" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
|
||||||
|
<preferred-size width="150" height="-1" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
|
||||||
|
<preferred-size width="150" height="-1" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
|
||||||
|
<preferred-size width="150" height="50" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
|
||||||
|
<preferred-size width="150" height="50" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
|
||||||
|
<preferred-size width="150" height="50" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
|
||||||
|
<preferred-size width="150" height="50" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
|
||||||
|
<preferred-size width="150" height="50" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
|
||||||
|
<preferred-size width="150" height="50" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
|
||||||
|
<preferred-size width="200" height="200" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
|
||||||
|
<preferred-size width="200" height="200" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
|
||||||
|
<preferred-size width="-1" height="20" />
|
||||||
|
</default-constraints>
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
|
||||||
|
</item>
|
||||||
|
<item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
||||||
|
<default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
|
||||||
|
</item>
|
||||||
|
</group>
|
||||||
|
</component>
|
||||||
|
</project>
|
||||||
6
.idea/vcs.xml
generated
Normal file
6
.idea/vcs.xml
generated
Normal file
@@ -0,0 +1,6 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<project version="4">
|
||||||
|
<component name="VcsDirectoryMappings">
|
||||||
|
<mapping directory="$PROJECT_DIR$" vcs="Git" />
|
||||||
|
</component>
|
||||||
|
</project>
|
||||||
@@ -1,33 +0,0 @@
|
|||||||
package OOP.Java.lab_1;
|
|
||||||
|
|
||||||
import java.util.Scanner;
|
|
||||||
|
|
||||||
public class lab_1 {
|
|
||||||
|
|
||||||
public static int protectedInput(String variableToRead, Scanner input) {
|
|
||||||
do {
|
|
||||||
try {
|
|
||||||
System.out.printf("Enter %s: ", variableToRead);
|
|
||||||
return input.nextInt();
|
|
||||||
} catch (Exception e) {
|
|
||||||
System.out.printf("%s must be an integer.\n", variableToRead.toUpperCase());
|
|
||||||
input.nextLine();
|
|
||||||
}
|
|
||||||
} while (true);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
Scanner input = new Scanner(System.in);
|
|
||||||
|
|
||||||
final int n = protectedInput("n", input);
|
|
||||||
final int m = protectedInput("m", input);
|
|
||||||
final int a = protectedInput("a", input);
|
|
||||||
final int b = protectedInput("b", input);
|
|
||||||
|
|
||||||
input.close();
|
|
||||||
|
|
||||||
final float s = ((float) (b + m) / 2) * (m - b + 1) * (n - a + 1);
|
|
||||||
|
|
||||||
System.out.println("S = " + s);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,23 +0,0 @@
|
|||||||
package OOP.Java.lab_1
|
|
||||||
|
|
||||||
fun protectedInput(variableName: String): Int {
|
|
||||||
do {
|
|
||||||
try {
|
|
||||||
print("Enter $variableName: ")
|
|
||||||
return readln().toInt()
|
|
||||||
} catch (e: Exception) {
|
|
||||||
println("${variableName.uppercase()} must be an integer!")
|
|
||||||
}
|
|
||||||
} while (true)
|
|
||||||
}
|
|
||||||
|
|
||||||
fun main() {
|
|
||||||
val n: Int = protectedInput("n")
|
|
||||||
val m: Int = protectedInput("m")
|
|
||||||
val a: Int = protectedInput("a")
|
|
||||||
val b: Int = protectedInput("b")
|
|
||||||
|
|
||||||
val s: Float = (b + m).toFloat() / 2 * (m - b + 1) * (n - a + 1)
|
|
||||||
|
|
||||||
println("S = $s")
|
|
||||||
}
|
|
||||||
@@ -1,109 +0,0 @@
|
|||||||
package OOP.Java.lab_2;
|
|
||||||
|
|
||||||
import org.jetbrains.annotations.Contract;
|
|
||||||
import org.jetbrains.annotations.NotNull;
|
|
||||||
|
|
||||||
import java.util.Scanner;
|
|
||||||
|
|
||||||
public class lab_2 {
|
|
||||||
|
|
||||||
public static short protectedInput(String inputPrompt, String errorMessage, Scanner input) {
|
|
||||||
short read_variable;
|
|
||||||
|
|
||||||
do {
|
|
||||||
try {
|
|
||||||
System.out.println();
|
|
||||||
System.out.print(inputPrompt);
|
|
||||||
|
|
||||||
read_variable = input.nextShort();
|
|
||||||
break;
|
|
||||||
} catch (Exception e) {
|
|
||||||
System.out.println(errorMessage);
|
|
||||||
input.nextLine();
|
|
||||||
}
|
|
||||||
} while (true);
|
|
||||||
|
|
||||||
return read_variable;
|
|
||||||
}
|
|
||||||
|
|
||||||
@NotNull
|
|
||||||
public static String format(int number) {
|
|
||||||
int width = String.valueOf(number).length() + 1;
|
|
||||||
|
|
||||||
return "|%" + width + "d ";
|
|
||||||
}
|
|
||||||
|
|
||||||
@Contract(pure = true)
|
|
||||||
public static double average(@NotNull short[] row) {
|
|
||||||
short sum = 0;
|
|
||||||
|
|
||||||
for (short element : row) {
|
|
||||||
sum += element;
|
|
||||||
}
|
|
||||||
|
|
||||||
return (double) sum / row.length;
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
short rows, columns;
|
|
||||||
|
|
||||||
Scanner input = new Scanner(System.in);
|
|
||||||
|
|
||||||
final short a = protectedInput("Input a constant to multiply a matrix by: ",
|
|
||||||
"A constant must be a short-data type integer, try again.", input);
|
|
||||||
|
|
||||||
System.out.println();
|
|
||||||
System.out.println("Input size of the matrix.");
|
|
||||||
|
|
||||||
do {
|
|
||||||
rows = protectedInput("Rows: ",
|
|
||||||
"A number of rows must be a short-data type integer, try again.", input);
|
|
||||||
} while (rows <= 0);
|
|
||||||
|
|
||||||
do {
|
|
||||||
columns = protectedInput("Columns: ",
|
|
||||||
"A number of columns must be a short-data type integer, try again.", input);
|
|
||||||
} while (columns <= 0);
|
|
||||||
|
|
||||||
input.close();
|
|
||||||
|
|
||||||
short[][] matrix_B = new short[rows][columns];
|
|
||||||
|
|
||||||
System.out.println();
|
|
||||||
System.out.println("Matrix B:");
|
|
||||||
|
|
||||||
String format = format(rows * columns);
|
|
||||||
|
|
||||||
for (short i = 0; i < rows; i++) {
|
|
||||||
for (short j = 0; j < columns; j++) {
|
|
||||||
matrix_B[i][j] = (short) ((i + 1) * (j + 1));
|
|
||||||
|
|
||||||
System.out.printf(format, matrix_B[i][j]);
|
|
||||||
}
|
|
||||||
|
|
||||||
System.out.println("|");
|
|
||||||
}
|
|
||||||
|
|
||||||
System.out.println();
|
|
||||||
System.out.println("Matrix a×B:");
|
|
||||||
|
|
||||||
format = format(rows * columns * a);
|
|
||||||
|
|
||||||
for (short i = 0; i < matrix_B.length; i++) {
|
|
||||||
for (short j = 0; j < matrix_B[i].length; j++) {
|
|
||||||
matrix_B[i][j] *= (a);
|
|
||||||
|
|
||||||
System.out.printf(format, matrix_B[i][j]);
|
|
||||||
}
|
|
||||||
|
|
||||||
System.out.println("|");
|
|
||||||
}
|
|
||||||
|
|
||||||
System.out.println();
|
|
||||||
System.out.println("Averages of each row:");
|
|
||||||
|
|
||||||
for (short[] row : matrix_B) {
|
|
||||||
System.out.println(average(row));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,57 +0,0 @@
|
|||||||
package OOP.Java.lab_3;
|
|
||||||
|
|
||||||
public class lab_3 {
|
|
||||||
static int maxStrLength;
|
|
||||||
static String result;
|
|
||||||
|
|
||||||
public static void cSubUtil(StringBuilder stringbuilder, int leftBoundary, int rightBoundary) {
|
|
||||||
String string = stringbuilder.toString().toLowerCase().replaceAll("[^a-z]","");
|
|
||||||
// check if the indices lie in the range of string
|
|
||||||
// and also if it is palindrome
|
|
||||||
while (leftBoundary >= 0 && rightBoundary < string.length() && string.toLowerCase().charAt(leftBoundary) == string.toLowerCase().charAt(rightBoundary)) {
|
|
||||||
// expand the boundary
|
|
||||||
leftBoundary--;
|
|
||||||
rightBoundary++;
|
|
||||||
}
|
|
||||||
// if it's length is greater than maxStrLength update
|
|
||||||
// maxLength and result
|
|
||||||
if (rightBoundary - leftBoundary - 1 >= maxStrLength) {
|
|
||||||
result = string.substring(leftBoundary + 1, rightBoundary);
|
|
||||||
maxStrLength = rightBoundary - leftBoundary - 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
public static int longestPalSubstr(StringBuilder string)
|
|
||||||
{
|
|
||||||
result = "";
|
|
||||||
maxStrLength = 1;
|
|
||||||
// for every index in the string check palindromes
|
|
||||||
// starting from that index
|
|
||||||
for (int i = 0; i < string.length(); i++) {
|
|
||||||
// check for odd length palindromes
|
|
||||||
cSubUtil(string, i, i);
|
|
||||||
// check for even length palindromes
|
|
||||||
cSubUtil(string, i, i + 1);
|
|
||||||
}
|
|
||||||
System.out.println("Longest palindrome substring is: " + compareStrings(string));
|
|
||||||
return compareStrings(string).length();
|
|
||||||
}
|
|
||||||
|
|
||||||
public static String compareStrings(StringBuilder builder) {
|
|
||||||
for (int leftBoundary = 0; leftBoundary <= builder.length(); leftBoundary++) {
|
|
||||||
for (int rightBoundary = builder.length(); rightBoundary >= leftBoundary; rightBoundary--) {
|
|
||||||
if (result.equals(builder.substring(leftBoundary, rightBoundary).toLowerCase().replaceAll("[^a-z]",""))) {
|
|
||||||
return builder.substring(leftBoundary, rightBoundary);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return "";
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
StringBuilder stringToDetect = new StringBuilder("Eva, can I see bees in a cave?");
|
|
||||||
|
|
||||||
System.out.println("Initial string: " + stringToDetect);
|
|
||||||
System.out.println("Length is: " + longestPalSubstr(stringToDetect));
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,11 +0,0 @@
|
|||||||
package OOP.Java.lab_4
|
|
||||||
|
|
||||||
class Furniture(val name: String, val material: String, val price: Int, val length: Int, val width: Int, val height: Int) {
|
|
||||||
fun print(nameWidth: Int, materialWidth: Int, priceWidth: Int){
|
|
||||||
print("Furniture stats: {")
|
|
||||||
print("Name: ${this.name.padEnd(nameWidth)} ")
|
|
||||||
print("Material: ${this.material.padEnd(materialWidth)} ")
|
|
||||||
print("Price: ${(this.price.toString() + " cu").padEnd(priceWidth + 3)} ")
|
|
||||||
print("Size: ${this.length}×${this.width}×${this.height}};\n")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,26 +0,0 @@
|
|||||||
package OOP.Java.lab_4
|
|
||||||
|
|
||||||
fun main() {
|
|
||||||
val furnitureArray = arrayOf(
|
|
||||||
Furniture("Chair", "Wood", 10, 5, 5, 10),
|
|
||||||
Furniture("Counter-top", "Marble", 1_000, 10, 5, 1),
|
|
||||||
Furniture("Dinner table", "Glass", 500, 15, 10, 1),
|
|
||||||
Furniture("Office table", "Wood", 200, 10, 7, 1),
|
|
||||||
Furniture("Refrigerator", "Stainless steel", 20_000, 8, 4, 10)
|
|
||||||
)
|
|
||||||
|
|
||||||
val maxNameWidth = furnitureArray.maxWith(Comparator.comparingInt { it.name.length }).name.length
|
|
||||||
val maxMaterialWidth = furnitureArray.maxWith(Comparator.comparingInt { it.material.length }).material.length
|
|
||||||
val maxPriceWidth = furnitureArray.maxWith(Comparator.comparingInt { it.price }).price.toString().length
|
|
||||||
|
|
||||||
println("\nUnsorted array:")
|
|
||||||
for (item in furnitureArray) item.print(maxNameWidth, maxMaterialWidth, maxPriceWidth)
|
|
||||||
|
|
||||||
println("\nSorted alphabetically by name:")
|
|
||||||
furnitureArray.sortBy { it.name }
|
|
||||||
for (item in furnitureArray) item.print(maxNameWidth, maxMaterialWidth, maxPriceWidth)
|
|
||||||
|
|
||||||
println("\nSorted alphabetically by material:")
|
|
||||||
furnitureArray.sortBy { it.material }
|
|
||||||
for (item in furnitureArray) item.print(maxNameWidth, maxMaterialWidth, maxPriceWidth)
|
|
||||||
}
|
|
||||||
@@ -1,23 +0,0 @@
|
|||||||
package OOP.Java.lab_5
|
|
||||||
|
|
||||||
/**
|
|
||||||
* A class representing a single letter in a word.
|
|
||||||
*
|
|
||||||
* @property character a character value of a Letter.
|
|
||||||
*/
|
|
||||||
class Letter(private val character: Char) {
|
|
||||||
override fun toString(): String {
|
|
||||||
return this.character.toString()
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Indicates whether the two objects of class Letter are "equal".
|
|
||||||
*
|
|
||||||
* @param letter a letter to compare.
|
|
||||||
* @param ignoreCase if set to "true" will ignore the case of Letters compared.
|
|
||||||
* @return "true" if letters are equal and "false" if they aren't.
|
|
||||||
*/
|
|
||||||
fun letterEquals(letter: Letter, ignoreCase: Boolean): Boolean {
|
|
||||||
return this.character.toString().equals(letter.toString(), ignoreCase)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,19 +0,0 @@
|
|||||||
package OOP.Java.lab_5
|
|
||||||
|
|
||||||
/**
|
|
||||||
* A class representing a punctuation mark following a word or a sentence.
|
|
||||||
*
|
|
||||||
* @property punctuationMark a [String] value of a punctuation mark.
|
|
||||||
*/
|
|
||||||
class Punctuation(var punctuationMark: String) {
|
|
||||||
|
|
||||||
init {
|
|
||||||
if (!"\\p{Punct}".toRegex().containsMatchIn(punctuationMark)) {
|
|
||||||
this.punctuationMark = ""
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
override fun toString(): String {
|
|
||||||
return punctuationMark
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,35 +0,0 @@
|
|||||||
package OOP.Java.lab_5
|
|
||||||
|
|
||||||
/**
|
|
||||||
* A class representing a single sentence is a text.
|
|
||||||
*
|
|
||||||
* @property sentenceArray a [Pair] of [Array]s of [Word] and [Punctuation] objects that make up a sentence.
|
|
||||||
*
|
|
||||||
* @constructor a primary constructor accepts a [Pair] of [Array]s of [Word] and [Punctuation] objects, a secondary one accepts a string representing the entire sentence.
|
|
||||||
*/
|
|
||||||
class Sentence(var sentenceArray: Pair<Array<Word>, Array<Punctuation>>) {
|
|
||||||
|
|
||||||
constructor(
|
|
||||||
sentenceString: String
|
|
||||||
) : this(
|
|
||||||
Pair(
|
|
||||||
sentenceString.split("[\\p{Punct}\\s]+".toRegex()).filter { it.isNotEmpty() }.map { word -> Word(word) }.toTypedArray(),
|
|
||||||
sentenceString.split(" ").map { word -> Punctuation(word.last().toString()) }.toTypedArray()
|
|
||||||
)
|
|
||||||
)
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns an array of all [Letter] objects in a sentence.
|
|
||||||
*/
|
|
||||||
fun getAllLetters(): Array<Letter> {
|
|
||||||
var allLetters = arrayOf<Letter>()
|
|
||||||
this.sentenceArray.first.forEach { allLetters += it.letters }
|
|
||||||
return allLetters
|
|
||||||
}
|
|
||||||
|
|
||||||
override fun toString(): String {
|
|
||||||
var sentence = arrayOf<String>()
|
|
||||||
this.sentenceArray.first.indices.forEach {sentence += this.sentenceArray.first[it].toString() + this.sentenceArray.second[it].toString() }
|
|
||||||
return sentence.joinToString(" ")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,83 +0,0 @@
|
|||||||
package OOP.Java.lab_5
|
|
||||||
|
|
||||||
/**
|
|
||||||
* A class representing the entire text.
|
|
||||||
*
|
|
||||||
* @property textArray a [Pair] of [Array]s of [Sentence] and [Punctuation] objects that make up a text.
|
|
||||||
*
|
|
||||||
* @constructor a primary constructor accepts a [Pair] of [Array]s of [Sentence] and [Punctuation] objects, a secondary one accepts a string representing the entire text.
|
|
||||||
*/
|
|
||||||
class Text(var textArray: Pair<Array<Sentence>, Array<Punctuation>>) {
|
|
||||||
|
|
||||||
constructor(
|
|
||||||
textString: String
|
|
||||||
) : this(
|
|
||||||
Pair(
|
|
||||||
textString.split("[.!?] ?".toRegex()).filter { it.isNotEmpty() }.map { sentence -> Sentence(sentence) }.toTypedArray(),
|
|
||||||
textString.split("(?<=[.!?]) ?".toRegex()).filter { it.isNotEmpty() }.map { sentence -> Punctuation(sentence.last().toString()) }.toTypedArray()
|
|
||||||
)
|
|
||||||
)
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns an array of all [Letter] objects in a sentence.
|
|
||||||
*/
|
|
||||||
private fun getAllLetters(): Array<Letter> {
|
|
||||||
var allLetters = arrayOf<Letter>()
|
|
||||||
this.textArray.first.forEach { allLetters += it.getAllLetters() }
|
|
||||||
return allLetters
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Searches for the longest palindromic substring in a given text.
|
|
||||||
*
|
|
||||||
* @return the longest palindromic substring found.
|
|
||||||
*/
|
|
||||||
fun palindromeSearch(): String {
|
|
||||||
var result = " "
|
|
||||||
|
|
||||||
val letters = this.getAllLetters()
|
|
||||||
|
|
||||||
for (leftBoundary in letters.indices) {
|
|
||||||
for (rightBoundary in letters.lastIndex downTo leftBoundary + 1) {
|
|
||||||
val subToC = letters.sliceArray(leftBoundary..rightBoundary)
|
|
||||||
|
|
||||||
if (subToC.first().letterEquals(subToC.last(), true) && this.checkReverse(subToC) && subToC.size > result.length) {
|
|
||||||
result = subToC.joinToString("")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return result
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Checks if a given substring is a palindrome.
|
|
||||||
*
|
|
||||||
* Is not case-sensitive.
|
|
||||||
*
|
|
||||||
* @param substring an [Array] of [Letter] objects representing a substring.
|
|
||||||
*
|
|
||||||
* @return "true" is a substring given is a palindrome, "false" if it isn't.
|
|
||||||
*/
|
|
||||||
private fun checkReverse(substring: Array<Letter>): Boolean {
|
|
||||||
var leftBoundary = 0
|
|
||||||
var rightBoundary = substring.lastIndex
|
|
||||||
var result = false
|
|
||||||
val correction = substring.size % 2
|
|
||||||
|
|
||||||
while (leftBoundary < substring.size / 2 && rightBoundary >= substring.size / 2 + correction) {
|
|
||||||
leftBoundary++
|
|
||||||
rightBoundary--
|
|
||||||
result = substring[leftBoundary].letterEquals(substring[rightBoundary], true)
|
|
||||||
}
|
|
||||||
|
|
||||||
return result
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
override fun toString(): String {
|
|
||||||
var text = arrayOf<String>()
|
|
||||||
this.textArray.first.indices.forEach { text += this.textArray.first[it].toString() + this.textArray.second[it].toString() }
|
|
||||||
return text.joinToString(" ")
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,22 +0,0 @@
|
|||||||
package OOP.Java.lab_5
|
|
||||||
|
|
||||||
/**
|
|
||||||
* A class representing a single word is a sentence.
|
|
||||||
*
|
|
||||||
* @property letters an array of [Letter] objects that make up a word.
|
|
||||||
*
|
|
||||||
* @constructor a primary constructor accepts an array of [Letter] objects, a secondary one accepts a string representing the entire word.
|
|
||||||
*/
|
|
||||||
class Word(var letters: Array<Letter>) {
|
|
||||||
|
|
||||||
override fun toString(): String {
|
|
||||||
val wordString = StringBuilder()
|
|
||||||
this.letters.forEach { wordString.append(it) }
|
|
||||||
|
|
||||||
return wordString.toString()
|
|
||||||
}
|
|
||||||
|
|
||||||
constructor(
|
|
||||||
word: String
|
|
||||||
) : this((word.toCharArray().map { letter -> Letter(letter) }).toTypedArray())
|
|
||||||
}
|
|
||||||
@@ -1,33 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents an album by a specific artist, containing multiple tracks.
|
|
||||||
*
|
|
||||||
* @property albumName The name of the album.
|
|
||||||
* @property artist The artist or band associated with the album.
|
|
||||||
* @property tracks An [Array] of tracks included on the album.
|
|
||||||
*/
|
|
||||||
class Album(val albumName: String, val artist: String, val tracks: Array<Track>) {
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns an array of tracks within the specified duration range.
|
|
||||||
*/
|
|
||||||
fun tracksInDurationRange(durationRange: ClosedRange<Duration>): Array<Track> {
|
|
||||||
return this.tracks.filter { it.duration in durationRange }.toTypedArray()
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Returns the total duration of all tracks on the album.
|
|
||||||
*/
|
|
||||||
fun totalDuration(): Duration {
|
|
||||||
var totalDuration: Duration = Duration.ZERO
|
|
||||||
this.tracks.forEach { totalDuration += it.duration }
|
|
||||||
return totalDuration
|
|
||||||
}
|
|
||||||
|
|
||||||
override fun toString(): String {
|
|
||||||
return "${this.albumName} by ${this.artist}\nTotal duration: ${this.totalDuration()}\nTracks:\n${this.tracks.joinToString("\n")}"
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,15 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents a track in the Dance-pop style.
|
|
||||||
*
|
|
||||||
* @param numberInAlbum The position of the track on the album.
|
|
||||||
* @param trackName The name of the track.
|
|
||||||
* @param feature The featured artist(s) in the track (nullable if no featured artist).
|
|
||||||
* @param duration The [Duration] of the track.
|
|
||||||
*/
|
|
||||||
class Dancepop(numberInAlbum: Int, trackName: String, feature: String?, duration: Duration): Track(numberInAlbum, trackName, feature, duration) {
|
|
||||||
override val style = "Dance-pop"
|
|
||||||
}
|
|
||||||
@@ -1,15 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents a track in the Electropop style.
|
|
||||||
*
|
|
||||||
* @param numberInAlbum The position of the track on the album.
|
|
||||||
* @param trackName The name of the track.
|
|
||||||
* @param feature The featured artist(s) in the track (nullable if no featured artist).
|
|
||||||
* @param duration The [Duration] of the track.
|
|
||||||
*/
|
|
||||||
class Electropop(numberInAlbum: Int, trackName: String, feature: String?, duration: Duration): Track(numberInAlbum, trackName, feature, duration) {
|
|
||||||
override val style = "Electropop"
|
|
||||||
}
|
|
||||||
@@ -1,15 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents an interlude track.
|
|
||||||
*
|
|
||||||
* @param numberInAlbum The position of the track on the album.
|
|
||||||
* @param trackName The name of the track.
|
|
||||||
* @param feature The featured artist(s) in the track (nullable if no featured artist).
|
|
||||||
* @param duration The [Duration] of the track.
|
|
||||||
*/
|
|
||||||
class Interlude(numberInAlbum: Int, trackName: String, feature: String?, duration: Duration): Track(numberInAlbum, trackName, feature, duration) {
|
|
||||||
override val style = "Interlude"
|
|
||||||
}
|
|
||||||
@@ -1,15 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents a track in the Synth-pop style.
|
|
||||||
*
|
|
||||||
* @param numberInAlbum The position of the track on the album.
|
|
||||||
* @param trackName The name of the track.
|
|
||||||
* @param feature The featured artist(s) in the track (nullable if no featured artist).
|
|
||||||
* @param duration The [Duration] of the track.
|
|
||||||
*/
|
|
||||||
class Synthpop(numberInAlbum: Int, trackName: String, feature: String?, duration: Duration): Track(numberInAlbum, trackName, feature, duration) {
|
|
||||||
override val style = "Synth-pop"
|
|
||||||
}
|
|
||||||
@@ -1,27 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Represents a track on an album.
|
|
||||||
*
|
|
||||||
* @param numberInAlbum The position of the track on the album.
|
|
||||||
* @param trackName The name of the track.
|
|
||||||
* @param feature The featured artist(s) in the track (nullable if no featured artist).
|
|
||||||
* @param duration The [Duration] of the track.
|
|
||||||
*/
|
|
||||||
open class Track(val numberInAlbum: Int, val trackName: String, val feature: String?, val duration: Duration) {
|
|
||||||
|
|
||||||
/**
|
|
||||||
* The style or genre of the track.
|
|
||||||
*/
|
|
||||||
open val style = ""
|
|
||||||
|
|
||||||
override fun toString(): String {
|
|
||||||
return if (this.feature == null) {
|
|
||||||
"#${this.numberInAlbum}: ${this.trackName} (${this.duration})"
|
|
||||||
} else {
|
|
||||||
"#${this.numberInAlbum}: ${this.trackName} ft. ${this.feature} (${this.duration})"
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,42 +0,0 @@
|
|||||||
package OOP.Java.lab_6
|
|
||||||
|
|
||||||
import kotlin.time.Duration.Companion.minutes
|
|
||||||
import kotlin.time.Duration.Companion.seconds
|
|
||||||
|
|
||||||
fun main() {
|
|
||||||
|
|
||||||
val chromatica = Album(
|
|
||||||
"Chromatica",
|
|
||||||
"Lady Gaga",
|
|
||||||
arrayOf(
|
|
||||||
Interlude(1, "Chromatica I", null, 1.minutes),
|
|
||||||
Synthpop(2, "Alice", null, 2.minutes + 57.seconds),
|
|
||||||
Dancepop(3, "Stupid Love", null, 3.minutes + 13.seconds),
|
|
||||||
Dancepop(4, "Rain On Me", "Ariana Grande", 3.minutes + 2.seconds),
|
|
||||||
Synthpop(5, "Free Woman", null, 3.minutes + 11.seconds),
|
|
||||||
Electropop(6, "Fun Tonight", null, 2.minutes + 53.seconds),
|
|
||||||
Interlude(7, "Chromatica II", null, 41.seconds),
|
|
||||||
Synthpop(8, "911", null, 2.minutes + 52.seconds),
|
|
||||||
Electropop(9, "Plastic Doll", null, 3.minutes + 41.seconds),
|
|
||||||
Dancepop(10, "Sour Candy", "Blackpink", 2.minutes + 37.seconds),
|
|
||||||
Dancepop(11, "Enigma", null, 2.minutes + 59.seconds),
|
|
||||||
Synthpop(12, "Replay", null, 3.minutes + 6.seconds),
|
|
||||||
Interlude(13, "Chromatica III", null, 27.seconds),
|
|
||||||
Electropop(14, "Sine From Above", "Elton John", 4.minutes + 4.seconds),
|
|
||||||
Synthpop(15, "1000 Doves", null, 3.minutes + 35.seconds),
|
|
||||||
Dancepop(16, "Babylon", null, 2.minutes + 41.seconds)
|
|
||||||
)
|
|
||||||
)
|
|
||||||
|
|
||||||
println("$chromatica\n")
|
|
||||||
|
|
||||||
println("${chromatica.albumName} tracks sorted by musical style:\n${chromatica.tracks.sortedBy { it.style }.joinToString("\n")}\n")
|
|
||||||
|
|
||||||
val durationRange = 1.minutes.. 3.minutes + 30.seconds
|
|
||||||
|
|
||||||
println(
|
|
||||||
"${chromatica.albumName} tracks in a duration range ($durationRange):\n${chromatica.tracksInDurationRange(durationRange).joinToString("\n")}"
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
184
Lab5
Normal file
184
Lab5
Normal file
@@ -0,0 +1,184 @@
|
|||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.List;
|
||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
class Letter {
|
||||||
|
private char value;
|
||||||
|
|
||||||
|
public Letter(char value) {
|
||||||
|
this.value = value;
|
||||||
|
}
|
||||||
|
|
||||||
|
public char getValue() {
|
||||||
|
return value;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Word {
|
||||||
|
private List<Letter> letters = new ArrayList<>();
|
||||||
|
|
||||||
|
public Word(String input) {
|
||||||
|
for (char c : input.toCharArray()) {
|
||||||
|
letters.add(new Letter(c));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<Letter> getLetters() {
|
||||||
|
return letters;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String toString() {
|
||||||
|
StringBuilder sb = new StringBuilder();
|
||||||
|
for (Letter letter : letters) {
|
||||||
|
sb.append(letter.getValue());
|
||||||
|
}
|
||||||
|
return sb.toString();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class PunctuationMark {
|
||||||
|
private char value;
|
||||||
|
|
||||||
|
public PunctuationMark(char value) {
|
||||||
|
this.value = value;
|
||||||
|
}
|
||||||
|
|
||||||
|
public char getValue() {
|
||||||
|
return value;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Sentence {
|
||||||
|
private List<Object> elements = new ArrayList<>();
|
||||||
|
|
||||||
|
public Sentence(String input) {
|
||||||
|
StringBuilder sb = new StringBuilder();
|
||||||
|
for (char c : input.toCharArray()) {
|
||||||
|
if (Character.isLetterOrDigit(c)) {
|
||||||
|
sb.append(c);
|
||||||
|
} else {
|
||||||
|
if (sb.length() > 0) {
|
||||||
|
elements.add(new Word(sb.toString()));
|
||||||
|
sb.setLength(0);
|
||||||
|
}
|
||||||
|
elements.add(new PunctuationMark(c));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (sb.length() > 0) {
|
||||||
|
elements.add(new Word(sb.toString()));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<Object> getElements() {
|
||||||
|
return elements;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String toString() {
|
||||||
|
StringBuilder sb = new StringBuilder();
|
||||||
|
for (Object element : elements) {
|
||||||
|
if (element instanceof Word) {
|
||||||
|
sb.append(((Word) element).toString());
|
||||||
|
} else {
|
||||||
|
sb.append(((PunctuationMark) element).getValue());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return sb.toString();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Text {
|
||||||
|
private List<Sentence> sentences = new ArrayList<>();
|
||||||
|
|
||||||
|
public Text(String input) {
|
||||||
|
StringBuilder sb = new StringBuilder();
|
||||||
|
for (char c : input.toCharArray()) {
|
||||||
|
if (c == '.' || c == '?' || c == '!' || c == ',') {
|
||||||
|
sb.append(c);
|
||||||
|
sentences.add(new Sentence(sb.toString()));
|
||||||
|
sb.setLength(0);
|
||||||
|
} else {
|
||||||
|
sb.append(c);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (sb.length() > 0) {
|
||||||
|
sentences.add(new Sentence(sb.toString()));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<Sentence> getSentences() {
|
||||||
|
return sentences;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String toString() {
|
||||||
|
StringBuilder sb = new StringBuilder();
|
||||||
|
for (Sentence sentence : sentences) {
|
||||||
|
sb.append(sentence.toString());
|
||||||
|
}
|
||||||
|
return sb.toString();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public class Lab5 {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
int C17 = 2430 % 17;
|
||||||
|
System.out.println("\n---------------------------------------------------------------------------------------------------------------------");
|
||||||
|
System.out.println(" C17 = " + C17 + ", So, the task is: delete all previous occurrences of the last letter of each word of the specified text.");
|
||||||
|
System.out.println("---------------------------------------------------------------------------------------------------------------------");
|
||||||
|
|
||||||
|
Scanner scanner = new Scanner(System.in);
|
||||||
|
boolean isDone = false;
|
||||||
|
while (!isDone) {
|
||||||
|
System.out.print("\nEnter a string or type 'q' to quit: ");
|
||||||
|
String input = scanner.nextLine().trim();
|
||||||
|
if (input.equals("q")) {
|
||||||
|
System.out.print("\n The work is completed.");
|
||||||
|
isDone = true;
|
||||||
|
} else if (input.isEmpty()) {
|
||||||
|
System.out.println("Error: Input string is empty. Please enter a non-empty string.");
|
||||||
|
} else {
|
||||||
|
try {
|
||||||
|
StringBuilder sb = new StringBuilder(input);
|
||||||
|
String[] words = sb.toString().split("\\s+");
|
||||||
|
for (int i = 0; i < words.length; i++) {
|
||||||
|
String word = words[i];
|
||||||
|
char lastChar = word.charAt(word.length() - 1);
|
||||||
|
if (!Character.isLetterOrDigit(lastChar)) {
|
||||||
|
int lastLetterIndex = -1;
|
||||||
|
for (int j = word.length() - 2; j >= 0; j--) {
|
||||||
|
if (Character.isLetter(word.charAt(j))) {
|
||||||
|
lastLetterIndex = j;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (lastLetterIndex != -1) {
|
||||||
|
char lastLetter = word.charAt(lastLetterIndex);
|
||||||
|
String newWord = "";
|
||||||
|
for (int j = 0; j < word.length() - 1; j++) {
|
||||||
|
if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
|
||||||
|
newWord += word.charAt(j);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
newWord += lastChar;
|
||||||
|
words[i] = newWord;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
char lastLetter = lastChar;
|
||||||
|
String newWord = "";
|
||||||
|
for (int j = 0; j < word.length() - 1; j++) {
|
||||||
|
if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
|
||||||
|
newWord += word.charAt(j);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
newWord += lastLetter;
|
||||||
|
words[i] = newWord;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
System.out.print("\n Final string: ");
|
||||||
|
System.out.println(String.join(" ", words));
|
||||||
|
} catch (Exception e) {
|
||||||
|
System.out.println("An error occurred: " + e.getMessage());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
225
Lab6
Normal file
225
Lab6
Normal file
@@ -0,0 +1,225 @@
|
|||||||
|
import java.util.ArrayList;
|
||||||
|
import java.util.List;
|
||||||
|
import java.util.Scanner;
|
||||||
|
import java.util.Comparator;
|
||||||
|
|
||||||
|
class ToyRoom {
|
||||||
|
|
||||||
|
public static void variant() {
|
||||||
|
int C13 = 2430 % 13;
|
||||||
|
System.out.println("\n ---------------------------------------------------------------------------------------------------------------------");
|
||||||
|
System.out.println(" C13 = " + C13 + ", So, the task is: Prepare the toy room for children of different age groups.");
|
||||||
|
System.out.println(" ---------------------------------------------------------------------------------------------------------------------");
|
||||||
|
}
|
||||||
|
|
||||||
|
private List<Toy> toys;
|
||||||
|
|
||||||
|
public ToyRoom() {
|
||||||
|
this.toys = new ArrayList<>();
|
||||||
|
}
|
||||||
|
|
||||||
|
public void addToy(Toy toy) {
|
||||||
|
toys.add(toy);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void displayToys() {
|
||||||
|
System.out.println(" -------------------------------------------------------");
|
||||||
|
System.out.printf(" | %-20s | %-10s | %-15s |\n", "Name", "Price ($)", "Age Group");
|
||||||
|
System.out.println(" |----------------------|------------|-----------------|");
|
||||||
|
for (Toy toy : toys) {
|
||||||
|
System.out.printf(" | %-20s | %-10.2f | %-15s |\n", toy.name, toy.price, toy.ageGroup);
|
||||||
|
}
|
||||||
|
System.out.println(" -------------------------------------------------------");
|
||||||
|
}
|
||||||
|
|
||||||
|
public void sortToys(boolean ascending) {
|
||||||
|
if (ascending) {
|
||||||
|
toys.sort(Comparator.comparingDouble(Toy::getPrice));
|
||||||
|
} else {
|
||||||
|
toys.sort(Comparator.comparingDouble(Toy::getPrice).reversed());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public List<Toy> findToysByPriceRange(double minPrice, double maxPrice) {
|
||||||
|
List<Toy> foundToys = new ArrayList<>();
|
||||||
|
for (Toy toy : toys) {
|
||||||
|
if (toy.getPrice() >= minPrice && toy.getPrice() <= maxPrice) {
|
||||||
|
foundToys.add(toy);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
return foundToys;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void findToysByName(String name) {
|
||||||
|
List<Toy> foundToys = new ArrayList<>();
|
||||||
|
for (Toy toy : toys) {
|
||||||
|
if (toy.name.toLowerCase().contains(name.toLowerCase())) {
|
||||||
|
foundToys.add(toy);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!foundToys.isEmpty()) {
|
||||||
|
System.out.println("\n Toys with matching name \"" + name + "\":");
|
||||||
|
System.out.println(" -------------------------------------------------------");
|
||||||
|
System.out.printf(" | %-20s | %-10s | %-15s |\n", "Name", "Price ($)", "Age Group");
|
||||||
|
System.out.println(" |----------------------|------------|-----------------|");
|
||||||
|
for (Toy toy : foundToys) {
|
||||||
|
System.out.printf(" | %-20s | %-10.2f | %-15s |\n", toy.name, toy.price, toy.ageGroup);
|
||||||
|
}
|
||||||
|
System.out.println(" -------------------------------------------------------");
|
||||||
|
} else {
|
||||||
|
System.out.println(" No toys found with a matching name.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
abstract class Toy {
|
||||||
|
protected String name;
|
||||||
|
protected double price;
|
||||||
|
protected String ageGroup;
|
||||||
|
|
||||||
|
public Toy(String name, double price, String ageGroup) {
|
||||||
|
this.name = name;
|
||||||
|
this.price = price;
|
||||||
|
this.ageGroup = ageGroup;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
public double getPrice() {
|
||||||
|
return price;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public String toString() {
|
||||||
|
return name + " - $" + price + ageGroup;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Car extends Toy {
|
||||||
|
public Car(String name, double price, String ageGroup) {
|
||||||
|
super(name, price, ageGroup);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Doll extends Toy {
|
||||||
|
public Doll(String name, double price, String ageGroup) {
|
||||||
|
super(name, price, ageGroup);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Ball extends Toy {
|
||||||
|
public Ball(String name, double price, String ageGroup) {
|
||||||
|
super(name, price, ageGroup);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
class Cube extends Toy {
|
||||||
|
public Cube(String name, double price, String ageGroup) {
|
||||||
|
super(name, price, ageGroup);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public class Lab6 {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
ToyRoom toyRoom = new ToyRoom();
|
||||||
|
ToyRoom.variant();
|
||||||
|
|
||||||
|
toyRoom.addToy(new Car("Small car 'Mcqueen'", 10.0, "1-3 years"));
|
||||||
|
toyRoom.addToy(new Car("Small Car 'Audi'", 12.0, "1-3 years"));
|
||||||
|
toyRoom.addToy(new Car("Medium Yellow Car", 15.0, "3-6 years"));
|
||||||
|
toyRoom.addToy(new Car("Medium Blue Car", 18.0, "3-6 years"));
|
||||||
|
toyRoom.addToy(new Car("Car on R/C", 30.0, "6-10 years"));
|
||||||
|
toyRoom.addToy(new Doll("Doll that can talk", 25.0, "1-3 years"));
|
||||||
|
toyRoom.addToy(new Doll("Doll 'Barbie'", 10.0, "3-6 years"));
|
||||||
|
toyRoom.addToy(new Doll("Bear Teddy", 14.5, "6-12 months"));
|
||||||
|
toyRoom.addToy(new Ball("Yellow Ball", 5.0, "6-12 months"));
|
||||||
|
toyRoom.addToy(new Ball("Big Blue Ball", 7.0, "1-3 years"));
|
||||||
|
toyRoom.addToy(new Ball("Football Ball", 12.5, "6-10 years"));
|
||||||
|
toyRoom.addToy(new Cube("Cubes with pictures", 6.5, "6-12 months"));
|
||||||
|
toyRoom.addToy(new Cube("Cubes with letters", 9.0, "3-6 years"));
|
||||||
|
toyRoom.addToy(new Cube("Rubik's Cube", 14.0, "6-10 years"));
|
||||||
|
|
||||||
|
boolean exit = false;
|
||||||
|
Scanner scanner = new Scanner(System.in);
|
||||||
|
|
||||||
|
while (!exit) {
|
||||||
|
System.out.println("\n Select an option:");
|
||||||
|
System.out.println(" 1 - Display all toys;");
|
||||||
|
System.out.println(" 2 - Find toy by price range;");
|
||||||
|
System.out.println(" 3 - Sort toys by price;");
|
||||||
|
System.out.println(" 4 - Find a toy by name;");
|
||||||
|
System.out.println(" Q - Quit;\n");
|
||||||
|
|
||||||
|
String option = scanner.nextLine();
|
||||||
|
|
||||||
|
switch (option.toLowerCase()) {
|
||||||
|
case "1":
|
||||||
|
System.out.println(" Toys in the Toy Room:");
|
||||||
|
toyRoom.displayToys();
|
||||||
|
break;
|
||||||
|
case "2":
|
||||||
|
System.out.print(" Enter the minimum price for the toy: ");
|
||||||
|
double minPrice = scanner.nextDouble();
|
||||||
|
scanner.nextLine();
|
||||||
|
|
||||||
|
System.out.print(" Enter the maximum price for the toy: ");
|
||||||
|
double maxPrice;
|
||||||
|
do {
|
||||||
|
maxPrice = scanner.nextDouble();
|
||||||
|
scanner.nextLine();
|
||||||
|
|
||||||
|
if (minPrice >= maxPrice) {
|
||||||
|
System.out.println(" Error: The minimum price must be less than the maximum price. Please try again.");
|
||||||
|
System.out.print(" Enter the maximum price for the toy: ");
|
||||||
|
}
|
||||||
|
} while (minPrice >= maxPrice);
|
||||||
|
|
||||||
|
List<Toy> foundToys = toyRoom.findToysByPriceRange(minPrice, maxPrice);
|
||||||
|
if (!foundToys.isEmpty()) {
|
||||||
|
System.out.println("\n Found toys within the price range:");
|
||||||
|
System.out.println(" -------------------------------------------------------");
|
||||||
|
System.out.printf(" | %-20s | %-10s | %-15s |\n", "Name", "Price ($)", "Age Group");
|
||||||
|
System.out.println(" |----------------------|------------|-----------------|");
|
||||||
|
for (Toy toy : foundToys) {
|
||||||
|
System.out.printf(" | %-20s | %-10.2f | %-15s |\n", toy.name, toy.price, toy.ageGroup);
|
||||||
|
}
|
||||||
|
System.out.println(" -------------------------------------------------------");
|
||||||
|
} else {
|
||||||
|
System.out.println("\n No toys found within the price range.");
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case "3":
|
||||||
|
System.out.println(" Choose the sorting order:");
|
||||||
|
System.out.println(" A - Ascending");
|
||||||
|
System.out.println(" D - Descending");
|
||||||
|
String sortOrder = scanner.nextLine();
|
||||||
|
|
||||||
|
boolean ascending = true;
|
||||||
|
if (sortOrder.equalsIgnoreCase("D")) {
|
||||||
|
ascending = false;
|
||||||
|
}
|
||||||
|
|
||||||
|
toyRoom.sortToys(ascending);
|
||||||
|
System.out.println("\n Toys in the Toy Room after sorting:");
|
||||||
|
toyRoom.displayToys();
|
||||||
|
break;
|
||||||
|
|
||||||
|
case "4":
|
||||||
|
System.out.print(" Enter the toy name: ");
|
||||||
|
String toyName = scanner.nextLine();
|
||||||
|
|
||||||
|
toyRoom.findToysByName(toyName);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case "q":
|
||||||
|
exit = true;
|
||||||
|
System.out.println(" Program exited. Thank you!");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
System.out.println(" Invalid option. Please try again.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
11
OOP_IO-2x_2023.iml
Normal file
11
OOP_IO-2x_2023.iml
Normal file
@@ -0,0 +1,11 @@
|
|||||||
|
<?xml version="1.0" encoding="UTF-8"?>
|
||||||
|
<module type="JAVA_MODULE" version="4">
|
||||||
|
<component name="NewModuleRootManager" inherit-compiler-output="true">
|
||||||
|
<exclude-output />
|
||||||
|
<content url="file://$MODULE_DIR$">
|
||||||
|
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
|
||||||
|
</content>
|
||||||
|
<orderEntry type="inheritedJdk" />
|
||||||
|
<orderEntry type="sourceFolder" forTests="false" />
|
||||||
|
</component>
|
||||||
|
</module>
|
||||||
16
Rust/lab_1/Cargo.lock
generated
16
Rust/lab_1/Cargo.lock
generated
@@ -1,16 +0,0 @@
|
|||||||
# This file is automatically @generated by Cargo.
|
|
||||||
# It is not intended for manual editing.
|
|
||||||
version = 3
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "lab_1"
|
|
||||||
version = "0.1.0"
|
|
||||||
dependencies = [
|
|
||||||
"text_io",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "text_io"
|
|
||||||
version = "0.1.12"
|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
checksum = "d5f0c8eb2ad70c12a6a69508f499b3051c924f4b1cfeae85bfad96e6bc5bba46"
|
|
||||||
@@ -1,9 +0,0 @@
|
|||||||
[package]
|
|
||||||
name = "lab_1"
|
|
||||||
version = "0.1.0"
|
|
||||||
edition = "2021"
|
|
||||||
|
|
||||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
|
||||||
|
|
||||||
[dependencies]
|
|
||||||
text_io = "0.1.12"
|
|
||||||
@@ -1,22 +0,0 @@
|
|||||||
fn protected_read(variable_name: &str) -> i32 {
|
|
||||||
use text_io::try_read;
|
|
||||||
loop {
|
|
||||||
print!("Enter {}: ", variable_name);
|
|
||||||
let read_result: Result<i32, _> = try_read!();
|
|
||||||
match read_result {
|
|
||||||
Ok(read_integer) => return read_integer,
|
|
||||||
Err(_e) => println!("{} must be an integer!", variable_name.to_uppercase()),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn main() {
|
|
||||||
let n: i32 = protected_read("n");
|
|
||||||
let m: i32 = protected_read("m");
|
|
||||||
let a: i32 = protected_read("a");
|
|
||||||
let b: i32 = protected_read("b");
|
|
||||||
|
|
||||||
let s: f32 = ((b + m) as f32 / 2f32) * ((m - b + 1) * (n - a + 1)) as f32;
|
|
||||||
|
|
||||||
println!("S = {}", s);
|
|
||||||
}
|
|
||||||
16
Rust/lab_2/Cargo.lock
generated
16
Rust/lab_2/Cargo.lock
generated
@@ -1,16 +0,0 @@
|
|||||||
# This file is automatically @generated by Cargo.
|
|
||||||
# It is not intended for manual editing.
|
|
||||||
version = 3
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "lab_2"
|
|
||||||
version = "0.1.0"
|
|
||||||
dependencies = [
|
|
||||||
"text_io",
|
|
||||||
]
|
|
||||||
|
|
||||||
[[package]]
|
|
||||||
name = "text_io"
|
|
||||||
version = "0.1.12"
|
|
||||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
|
||||||
checksum = "d5f0c8eb2ad70c12a6a69508f499b3051c924f4b1cfeae85bfad96e6bc5bba46"
|
|
||||||
@@ -1,9 +0,0 @@
|
|||||||
[package]
|
|
||||||
name = "lab_2"
|
|
||||||
version = "0.1.0"
|
|
||||||
edition = "2021"
|
|
||||||
|
|
||||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
|
||||||
|
|
||||||
[dependencies]
|
|
||||||
text_io = "0.1.12"
|
|
||||||
@@ -1,140 +0,0 @@
|
|||||||
// #[allow(dead_code)]
|
|
||||||
fn capitalise(s: &str) -> String {
|
|
||||||
let mut c = s.chars();
|
|
||||||
match c.next() {
|
|
||||||
None => String::new(),
|
|
||||||
Some(f) => f.to_uppercase().collect::<String>() + c.as_str(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn read_row() -> Vec<i16> {
|
|
||||||
loop {
|
|
||||||
print!("Row (separated by spaces): ");
|
|
||||||
let raw_row: String = text_io::read!("{}\n");
|
|
||||||
let trimmed_row: &str = raw_row.trim();
|
|
||||||
match trimmed_row.split(" ").all(|value| {
|
|
||||||
value.chars().all(|char| char.is_numeric() || char == '-')
|
|
||||||
&& value.parse::<i32>().unwrap() <= i16::MAX as i32
|
|
||||||
&& value.parse::<i32>().unwrap() >= i16::MIN as i32
|
|
||||||
}) {
|
|
||||||
true => {
|
|
||||||
return trimmed_row
|
|
||||||
.split(" ")
|
|
||||||
.map(|value| value.parse::<i16>().unwrap())
|
|
||||||
.collect::<Vec<i16>>()
|
|
||||||
}
|
|
||||||
false => println!("[Error] The row must consist of short integers, try again."),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn generate_row(row_index: u16, length: u16) -> Vec<i16> {
|
|
||||||
return (0..length)
|
|
||||||
.map(|element_index| (element_index as i16 + 1) * (row_index as i16 + 1))
|
|
||||||
.collect();
|
|
||||||
}
|
|
||||||
|
|
||||||
fn read_matrix() -> Vec<Vec<i16>> {
|
|
||||||
let rows: u16 = protected_u16_read("the number of rows");
|
|
||||||
loop {
|
|
||||||
print!("Generate [s]quare or [r]ectangle matrix or [i]nput manually [s/r/i]: ");
|
|
||||||
let option: String = text_io::read!();
|
|
||||||
match option.to_lowercase().as_str() {
|
|
||||||
"s" => return (0..rows).map(|i| generate_row(i, rows)).collect(),
|
|
||||||
"r" => {
|
|
||||||
let columns: u16 = protected_u16_read("the number of columns");
|
|
||||||
return (0..rows).map(|i| generate_row(i, columns)).collect();
|
|
||||||
}
|
|
||||||
"i" => return (0..rows).map(|_| read_row()).collect(),
|
|
||||||
_ => println!("[Error] Not an option, try again."),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn protected_u16_read(variable_name: &str) -> u16 {
|
|
||||||
use text_io::try_read;
|
|
||||||
loop {
|
|
||||||
print!("Enter {}: ", variable_name);
|
|
||||||
let read_result: Result<u16, _> = try_read!();
|
|
||||||
match read_result {
|
|
||||||
Ok(read_integer) => return read_integer,
|
|
||||||
Err(_e) => println!(
|
|
||||||
"{} must be a short integer, try again.",
|
|
||||||
capitalise(variable_name)
|
|
||||||
),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn multiply_matrix_by_number(matrix: &Vec<Vec<i16>>, multiplier: u16) -> Vec<Vec<i16>> {
|
|
||||||
return matrix
|
|
||||||
.iter()
|
|
||||||
.map(|row| {
|
|
||||||
row.iter()
|
|
||||||
.map(|element| element * multiplier as i16)
|
|
||||||
.collect()
|
|
||||||
})
|
|
||||||
.collect();
|
|
||||||
}
|
|
||||||
|
|
||||||
fn average_of_row(row: &Vec<i16>) -> f32 {
|
|
||||||
return row.iter().sum::<i16>() as f32 / row.len() as f32;
|
|
||||||
}
|
|
||||||
|
|
||||||
fn format_matrix(matrix: &Vec<Vec<i16>>) -> String {
|
|
||||||
let max_width = matrix
|
|
||||||
.iter()
|
|
||||||
.map(|row| {
|
|
||||||
row.iter()
|
|
||||||
.map(|element| element.to_string().len())
|
|
||||||
.max()
|
|
||||||
.unwrap()
|
|
||||||
})
|
|
||||||
.max()
|
|
||||||
.unwrap();
|
|
||||||
|
|
||||||
let mut formatted_matrix: String = matrix
|
|
||||||
.iter()
|
|
||||||
.map(|row| {
|
|
||||||
row.iter()
|
|
||||||
.map(|element| format!("| {:max_width$} ", element))
|
|
||||||
.collect::<Vec<String>>()
|
|
||||||
.join("")
|
|
||||||
})
|
|
||||||
.collect::<Vec<String>>()
|
|
||||||
.join("|\n");
|
|
||||||
formatted_matrix.push('|');
|
|
||||||
return formatted_matrix;
|
|
||||||
}
|
|
||||||
|
|
||||||
fn format_column(column: &Vec<f32>) -> String {
|
|
||||||
let max_width = column
|
|
||||||
.iter()
|
|
||||||
.map(|element| element.to_string().len())
|
|
||||||
.max()
|
|
||||||
.unwrap();
|
|
||||||
|
|
||||||
return column
|
|
||||||
.iter()
|
|
||||||
.map(|element| format!("| {:max_width$} |", element))
|
|
||||||
.collect::<Vec<String>>()
|
|
||||||
.join("\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
fn main() {
|
|
||||||
let full_vec_test: Vec<Vec<i16>> = read_matrix();
|
|
||||||
println!("\nMatrix B:\n{}\n", format_matrix(&full_vec_test));
|
|
||||||
|
|
||||||
let mult_full_vec_test: Vec<Vec<i16>> =
|
|
||||||
multiply_matrix_by_number(&full_vec_test, protected_u16_read("matrix multiplier"));
|
|
||||||
println!("Matrix a×B:\n{}\n", format_matrix(&mult_full_vec_test));
|
|
||||||
|
|
||||||
let row_averages: Vec<f32> = mult_full_vec_test
|
|
||||||
.iter()
|
|
||||||
.map(|row| average_of_row(row))
|
|
||||||
.collect();
|
|
||||||
println!(
|
|
||||||
"Averages for each row in a×B:\n{}",
|
|
||||||
format_column(&row_averages)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
96
lab1 fedoniuk
Normal file
96
lab1 fedoniuk
Normal file
@@ -0,0 +1,96 @@
|
|||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
public class lab1 {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
int C2, C3, C5;
|
||||||
|
var C7 = 0;
|
||||||
|
|
||||||
|
Scanner id = new Scanner(System.in);
|
||||||
|
System.out.print("Enter the student's ID number: ");
|
||||||
|
int idbook = id.nextInt();
|
||||||
|
|
||||||
|
C2 = idbook % 2;
|
||||||
|
C3 = idbook % 3;
|
||||||
|
C5 = idbook % 5;
|
||||||
|
C7 = idbook % 7;
|
||||||
|
|
||||||
|
String[] oper1 = {"+", "-"};
|
||||||
|
String[] oper2 = {"*", "/", "%", "+", "-"};
|
||||||
|
String[] oper3 = {"byte", "short", "int", "long", "char", "float", "double"};
|
||||||
|
|
||||||
|
int C = C3;
|
||||||
|
|
||||||
|
String O1 = oper1[C2];
|
||||||
|
String O2 = oper2[C5];
|
||||||
|
String O3 = oper3[C7];
|
||||||
|
|
||||||
|
System.out.println("C2 is: " + C2 + ", operation is: " + O1);
|
||||||
|
System.out.println("C3 = " + C);
|
||||||
|
System.out.println("C5 is: " + C5 + ", operation is: " + O2);
|
||||||
|
System.out.println("C7 is: " + C7 + ", Type of indexes i and j is: " + O3);
|
||||||
|
|
||||||
|
double i = 0;
|
||||||
|
double j = 0;
|
||||||
|
System.out.println("\nEnter a values for lower limits (i and j) in the "+ O3+" type: ");
|
||||||
|
switch (O3) {
|
||||||
|
case "byte" -> {
|
||||||
|
i = id.nextByte();
|
||||||
|
j = id.nextByte();
|
||||||
|
}
|
||||||
|
case "short" -> {
|
||||||
|
i = id.nextShort();
|
||||||
|
j = id.nextShort();
|
||||||
|
}
|
||||||
|
case "int" -> {
|
||||||
|
i = id.nextInt();
|
||||||
|
j = id.nextInt();
|
||||||
|
}
|
||||||
|
case "long" -> {
|
||||||
|
i = id.nextLong();
|
||||||
|
j = id.nextLong();
|
||||||
|
}
|
||||||
|
case "char" -> {
|
||||||
|
i = id.next().charAt(0);
|
||||||
|
j = id.next().charAt(0);
|
||||||
|
}
|
||||||
|
case "float" -> {
|
||||||
|
i = id.nextFloat();
|
||||||
|
j = id.nextFloat();
|
||||||
|
}
|
||||||
|
case "double" -> {
|
||||||
|
i = id.nextDouble();
|
||||||
|
j = id.nextDouble();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
System.out.println("The value of the created variables is: " + i + " and " + j);
|
||||||
|
System.out.println("Enter values for top limits (n and m):");
|
||||||
|
int n, m;
|
||||||
|
n = id.nextInt();
|
||||||
|
m = id.nextInt();
|
||||||
|
|
||||||
|
double sum = 0, res = 0, res2 = 0;
|
||||||
|
|
||||||
|
if ((O1.equals("-") && i + n >= C && i <= C) || i > n || j > m || (C == 0 && i == 0)) {
|
||||||
|
System.out.println("Incorrect input, try another values");
|
||||||
|
} else {
|
||||||
|
for (double a = i; a <= n; a++) {
|
||||||
|
for (double b = j; b <= m; b++) {
|
||||||
|
switch (O1) {
|
||||||
|
case "+" -> res = a + C;
|
||||||
|
case "-" -> res = a - C;
|
||||||
|
}
|
||||||
|
switch (O2) {
|
||||||
|
case "+" -> res2 = a + b;
|
||||||
|
case "-" -> res2 = a - b;
|
||||||
|
case "*" -> res2 = a * b;
|
||||||
|
case "/" -> res2 = a / b;
|
||||||
|
case "%" -> res2 = a % b;
|
||||||
|
}
|
||||||
|
sum += res2 / res;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
System.out.println("Sum is: " + sum);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
76
lab2
Normal file
76
lab2
Normal file
@@ -0,0 +1,76 @@
|
|||||||
|
import java.util.Scanner;
|
||||||
|
import java.util.Random;
|
||||||
|
|
||||||
|
public class Lab2 {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
int C5, C11, C7;
|
||||||
|
int idbook = 2430;
|
||||||
|
|
||||||
|
C5 = idbook % 5;
|
||||||
|
C7 = idbook % 7;
|
||||||
|
C11 = idbook % 11;
|
||||||
|
|
||||||
|
System.out.println("C5 = " + C5 + " - Action between matrix is: C=a×B, a - const");
|
||||||
|
System.out.println("C7 = " + C7 + " - The matrix elements type is: byte");
|
||||||
|
System.out.println("C11 = " + C11 + " - The action with matrix C is: Find the matrix elements' average value");
|
||||||
|
|
||||||
|
Scanner sc = new Scanner(System.in);
|
||||||
|
System.out.print("\n Enter the number of rows: ");
|
||||||
|
int rows = sc.nextInt();
|
||||||
|
System.out.print(" Enter the number of columns: ");
|
||||||
|
int cols = sc.nextInt();
|
||||||
|
int min = 0;
|
||||||
|
int max = 0;
|
||||||
|
boolean valid = false;
|
||||||
|
while (!valid) {
|
||||||
|
System.out.print("\n Enter the minimum value of the matrix numbers (-128 to 127): ");
|
||||||
|
min = sc.nextInt();
|
||||||
|
System.out.print(" Enter the maximum value of the matrix numbers (-128 to 127): ");
|
||||||
|
max = sc.nextInt();
|
||||||
|
if (min >= -128 && max <= 127 && min < max) {
|
||||||
|
valid = true;
|
||||||
|
} else {
|
||||||
|
System.out.println("\nInvalid input. Please enter the values again.");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
byte[][] matrix = new byte[rows][cols];
|
||||||
|
Random rand = new Random();
|
||||||
|
for (int i = 0; i < rows; i++) {
|
||||||
|
for (int j = 0; j < cols; j++) {
|
||||||
|
matrix[i][j] = (byte) (rand.nextInt(max - min + 1) + min);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
System.out.println("\nThe matrix is:");
|
||||||
|
for (int i = 0; i < rows; i++) {
|
||||||
|
for (int j = 0; j < cols; j++) {
|
||||||
|
System.out.printf(" %-5d", matrix[i][j]);
|
||||||
|
}
|
||||||
|
System.out.println();
|
||||||
|
}
|
||||||
|
|
||||||
|
System.out.print("\nEnter the constant to multiply the matrix by: ");
|
||||||
|
int constant = sc.nextInt();
|
||||||
|
byte[][] multipliedMatrix = new byte[rows][cols];
|
||||||
|
System.out.println(" The matrix multiplied by " + constant + " is:");
|
||||||
|
for (int i = 0; i < rows; i++) {
|
||||||
|
for (int j = 0; j < cols; j++) {
|
||||||
|
multipliedMatrix[i][j] = (byte) (matrix[i][j] * constant);
|
||||||
|
System.out.printf(" %-5d", multipliedMatrix[i][j]);
|
||||||
|
}
|
||||||
|
System.out.println();
|
||||||
|
}
|
||||||
|
|
||||||
|
System.out.println("\n Press 'enter' to search for the average value of the matrix.");
|
||||||
|
sc.nextLine();
|
||||||
|
sc.nextLine();
|
||||||
|
int sum = 0;
|
||||||
|
for (int i = 0; i < rows; i++) {
|
||||||
|
for (int j = 0; j < cols; j++) {
|
||||||
|
sum += multipliedMatrix[i][j];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
double average = (double) sum / (rows * cols);
|
||||||
|
System.out.println("The average value of the multiplied matrix is: " + average);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
63
lab3
Normal file
63
lab3
Normal file
@@ -0,0 +1,63 @@
|
|||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
public class Lab5 {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
|
||||||
|
int C17 = 2430 % 17;
|
||||||
|
System.out.println("\n---------------------------------------------------------------------------------------------------------------------");
|
||||||
|
System.out.println(" C17 = " + C17 + ", So, the task is: delete all previous occurrences of the last letter of each word of the specified text");
|
||||||
|
System.out.println("---------------------------------------------------------------------------------------------------------------------");
|
||||||
|
|
||||||
|
Scanner scanner = new Scanner(System.in);
|
||||||
|
String input = null;
|
||||||
|
while (input == null || input.isEmpty()) {
|
||||||
|
System.out.print("\nEnter a string: ");
|
||||||
|
input = scanner.nextLine();
|
||||||
|
}
|
||||||
|
try {
|
||||||
|
StringBuilder sb = new StringBuilder(input);
|
||||||
|
String[] words = sb.toString().split("\\s+");
|
||||||
|
for (int i = 0; i < words.length; i++) {
|
||||||
|
String word = words[i];
|
||||||
|
char lastChar = word.charAt(word.length() - 1);
|
||||||
|
if (!Character.isLetterOrDigit(lastChar)) {
|
||||||
|
// Last character is a punctuation mark
|
||||||
|
int lastLetterIndex = -1;
|
||||||
|
for (int j = word.length() - 2; j >= 0; j--) {
|
||||||
|
if (Character.isLetter(word.charAt(j))) {
|
||||||
|
lastLetterIndex = j;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (lastLetterIndex != -1) {
|
||||||
|
char lastLetter = word.charAt(lastLetterIndex);
|
||||||
|
String newWord = "";
|
||||||
|
for (int j = 0; j < word.length() - 1; j++) {
|
||||||
|
if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
|
||||||
|
newWord += word.charAt(j);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
newWord += lastChar;
|
||||||
|
words[i] = newWord;
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// Last character is a letter or a digit
|
||||||
|
char lastLetter = lastChar;
|
||||||
|
String newWord = "";
|
||||||
|
for (int j = 0; j < word.length() - 1; j++) {
|
||||||
|
if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
|
||||||
|
newWord += word.charAt(j);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
newWord += lastLetter;
|
||||||
|
words[i] = newWord;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
System.out.print("\nFinal string: ");
|
||||||
|
System.out.println(String.join(" ", words));
|
||||||
|
} catch (Exception e) {
|
||||||
|
System.out.println("An error occurred: " + e.getMessage());
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
115
lab4
Normal file
115
lab4
Normal file
@@ -0,0 +1,115 @@
|
|||||||
|
import java.util.Arrays;
|
||||||
|
import java.util.Comparator;
|
||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
public class Lab4 {
|
||||||
|
|
||||||
|
public static class Student {
|
||||||
|
private int grBook;
|
||||||
|
private String name;
|
||||||
|
private int age;
|
||||||
|
private double gpa;
|
||||||
|
private String faculty;
|
||||||
|
|
||||||
|
public Student(int grBook, String name, int age, double gpa, String faculty) {
|
||||||
|
this.grBook = grBook;
|
||||||
|
this.name = name;
|
||||||
|
this.age = age;
|
||||||
|
this.gpa = gpa;
|
||||||
|
this.faculty = faculty;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getGrBook() {
|
||||||
|
return grBook;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String getName() {
|
||||||
|
return name;
|
||||||
|
}
|
||||||
|
|
||||||
|
public int getAge() {
|
||||||
|
return age;
|
||||||
|
}
|
||||||
|
|
||||||
|
public double getGpa() {
|
||||||
|
return gpa;
|
||||||
|
}
|
||||||
|
|
||||||
|
public String getFaculty() {
|
||||||
|
return faculty;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
|
||||||
|
int C11 = 2430 % 11;
|
||||||
|
System.out.println("\n ----------------------------------------------------------------------------------------------------------");
|
||||||
|
System.out.println(" C11 = " + C11 + ", So, the task is: Define the student class, which consists of at least 5 fields.");
|
||||||
|
System.out.println(" ----------------------------------------------------------------------------------------------------------");
|
||||||
|
|
||||||
|
Student[] students = {
|
||||||
|
new Student(1010, "Вікторія", 21, 84.6, "ФІОТ"),
|
||||||
|
new Student(2010, "Дарія", 20, 79.8, "РТФ"),
|
||||||
|
new Student(3010, "Анатолій", 19, 94.3, "ХТФ"),
|
||||||
|
new Student(4040, "Генадій", 22, 62.0, "ІХФ"),
|
||||||
|
new Student(5050, "Борис", 18, 89.1, "ФММ")
|
||||||
|
};
|
||||||
|
|
||||||
|
Scanner scanner = new Scanner(System.in);
|
||||||
|
boolean quit = false;
|
||||||
|
while (!quit) {
|
||||||
|
|
||||||
|
System.out.print("\nEnter the field to sort by (greed book, name, age, gpa, faculty) or enter 'quit' to exit: ");
|
||||||
|
String input = scanner.nextLine();
|
||||||
|
|
||||||
|
if (!input.equals("greed book") && !input.equals("name") && !input.equals("age") && !input.equals("gpa") && !input.equals("faculty") && !input.equals("quit")) {
|
||||||
|
System.out.println("Invalid field to sort by! Please enter 'grBook', 'name', 'age', 'gpa', or 'faculty'.");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (input.equals("quit")) {
|
||||||
|
quit = true;
|
||||||
|
System.out.println("Thank you for using my program:)");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
String field = input;
|
||||||
|
System.out.print("Enter the sort order (asc or desc): ");
|
||||||
|
String order = scanner.nextLine();
|
||||||
|
|
||||||
|
if (!order.equals("asc") && !order.equals("desc")) {
|
||||||
|
System.out.println("Invalid sort order! Please enter 'asc' or 'desc'.");
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
Comparator<Student> comparator = null;
|
||||||
|
switch (field) {
|
||||||
|
case "greed book":
|
||||||
|
comparator = Comparator.comparingInt(Student::getGrBook);
|
||||||
|
break;
|
||||||
|
case "name":
|
||||||
|
comparator = Comparator.comparing(Student::getName);
|
||||||
|
break;
|
||||||
|
case "age":
|
||||||
|
comparator = Comparator.comparingInt(Student::getAge);
|
||||||
|
break;
|
||||||
|
case "gpa":
|
||||||
|
comparator = Comparator.comparingDouble(Student::getGpa);
|
||||||
|
break;
|
||||||
|
case "faculty":
|
||||||
|
comparator = Comparator.comparing(Student::getFaculty);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
if (order.equals("desc")) {
|
||||||
|
comparator = comparator.reversed();
|
||||||
|
}
|
||||||
|
Arrays.sort(students, comparator);
|
||||||
|
|
||||||
|
System.out.println("\nSorted by " + field + " (in " + order + "ending order):");
|
||||||
|
System.out.println(String.format("%n%-15s | %-20s | %-4s | %-4s | %-10s", "Greed book", "Name", "Age", "GPA", " Faculty"));
|
||||||
|
System.out.println("----------------------------------------------------------------");
|
||||||
|
for (Student student : students) {
|
||||||
|
System.out.println(String.format("%-15d | %-20s | %-4d | %-3.1f | %-10s", student.getGrBook(), student.getName(), student.getAge(), student.getGpa(), student.getFaculty()));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
15
src/Main.java
Normal file
15
src/Main.java
Normal file
@@ -0,0 +1,15 @@
|
|||||||
|
public class Main {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
System.out.println(args[1]);
|
||||||
|
System.out.println("Hello world!");
|
||||||
|
// System.out.println(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
void myFunction() {
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
int myFunction2() {
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
20
src/encapsulationInheritancePolymorphism/Encapsulation.java
Normal file
20
src/encapsulationInheritancePolymorphism/Encapsulation.java
Normal file
@@ -0,0 +1,20 @@
|
|||||||
|
package encapsulationInheritancePolymorphism;
|
||||||
|
|
||||||
|
public class Encapsulation {
|
||||||
|
/*private*/ int field;
|
||||||
|
private int field2;
|
||||||
|
// int a = 1;
|
||||||
|
|
||||||
|
public void myMethodForTheField () {
|
||||||
|
System.out.println(field);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void myMethodForTheField2 () {
|
||||||
|
System.out.println(field);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void myMethodForTheFieldAndTheField2 () {
|
||||||
|
System.out.println(field);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
@@ -0,0 +1,10 @@
|
|||||||
|
package encapsulationInheritancePolymorphism;
|
||||||
|
|
||||||
|
public class EncapsulationInheritancePolymorphism {
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
int a = 1;
|
||||||
|
// var b = 2;
|
||||||
|
// System.out.println(b);
|
||||||
|
}
|
||||||
|
}
|
||||||
14
src/encapsulationInheritancePolymorphism/Main.java
Normal file
14
src/encapsulationInheritancePolymorphism/Main.java
Normal file
@@ -0,0 +1,14 @@
|
|||||||
|
package encapsulationInheritancePolymorphism;
|
||||||
|
|
||||||
|
public class Main {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
Student student = new Student();
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
//...
|
||||||
|
|
||||||
|
student.setFaculty("FPM", "MO-22");
|
||||||
|
}
|
||||||
|
}
|
||||||
18
src/encapsulationInheritancePolymorphism/Student.java
Normal file
18
src/encapsulationInheritancePolymorphism/Student.java
Normal file
@@ -0,0 +1,18 @@
|
|||||||
|
package encapsulationInheritancePolymorphism;
|
||||||
|
|
||||||
|
public class Student {
|
||||||
|
private String name;
|
||||||
|
private String surname;
|
||||||
|
private String group;
|
||||||
|
private String faculty;
|
||||||
|
|
||||||
|
|
||||||
|
public String getName() {
|
||||||
|
return name;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void setFaculty(String faculty, String group) {
|
||||||
|
this.faculty = faculty;
|
||||||
|
this.group = group;
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -0,0 +1,5 @@
|
|||||||
|
package encapsulationInheritancePolymorphism.inheritance;
|
||||||
|
|
||||||
|
public class ElectricEngine extends Engine {
|
||||||
|
private String batteryType;
|
||||||
|
}
|
||||||
@@ -0,0 +1,5 @@
|
|||||||
|
package encapsulationInheritancePolymorphism.inheritance;
|
||||||
|
|
||||||
|
public class Engine {
|
||||||
|
private int power;
|
||||||
|
}
|
||||||
@@ -0,0 +1,7 @@
|
|||||||
|
package encapsulationInheritancePolymorphism.inheritance;
|
||||||
|
|
||||||
|
public class Main {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
ElectricEngine electricEngine = new ElectricEngine();
|
||||||
|
}
|
||||||
|
}
|
||||||
13
src/test/A.java
Normal file
13
src/test/A.java
Normal file
@@ -0,0 +1,13 @@
|
|||||||
|
package test;
|
||||||
|
|
||||||
|
public class A {
|
||||||
|
/*private*/ int f/* = 3*/;
|
||||||
|
|
||||||
|
public int getF() {
|
||||||
|
return f;
|
||||||
|
}
|
||||||
|
|
||||||
|
public void setF(int f) {
|
||||||
|
this.f = f;
|
||||||
|
}
|
||||||
|
}
|
||||||
15
src/test/Main.java
Normal file
15
src/test/Main.java
Normal file
@@ -0,0 +1,15 @@
|
|||||||
|
package test;
|
||||||
|
|
||||||
|
public class Main {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
A a = new A();
|
||||||
|
System.out.println(a.getF());
|
||||||
|
a.setF(1);
|
||||||
|
System.out.println(a.getF());
|
||||||
|
|
||||||
|
System.out.println(a.f);
|
||||||
|
|
||||||
|
int[] array = {1, 2, 1};
|
||||||
|
System.out.println(array.length);
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user