mirror of
https://github.com/ASDjonok/OOP_IO-2x_2023.git
synced 2026-04-02 21:41:49 +03:00
Compare commits
8 Commits
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896fc1f4d4
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|---|---|---|---|
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| 7fa667cb2d | |||
| 74a44852af | |||
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80de92fa1e |
4
.gitignore
vendored
4
.gitignore
vendored
@@ -1,2 +1,2 @@
|
|||||||
# Project exclude paths
|
Lab 1/Lab_1.class
|
||||||
/out/
|
Lab 2/Lab_2.class
|
||||||
|
|||||||
8
.idea/.gitignore
generated
vendored
8
.idea/.gitignore
generated
vendored
@@ -1,8 +0,0 @@
|
|||||||
# 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
6
.idea/misc.xml
generated
@@ -1,6 +0,0 @@
|
|||||||
<?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
8
.idea/modules.xml
generated
@@ -1,8 +0,0 @@
|
|||||||
<?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
124
.idea/uiDesigner.xml
generated
@@ -1,124 +0,0 @@
|
|||||||
<?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$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
|
|
||||||
<default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
|
|
||||||
</item>
|
|
||||||
<item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
|
|
||||||
<default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
|
|
||||||
</item>
|
|
||||||
</group>
|
|
||||||
</component>
|
|
||||||
</project>
|
|
||||||
6
.idea/vcs.xml
generated
6
.idea/vcs.xml
generated
@@ -1,6 +0,0 @@
|
|||||||
<?xml version="1.0" encoding="UTF-8"?>
|
|
||||||
<project version="4">
|
|
||||||
<component name="VcsDirectoryMappings">
|
|
||||||
<mapping directory="$PROJECT_DIR$" vcs="Git" />
|
|
||||||
</component>
|
|
||||||
</project>
|
|
||||||
41
Lab 1/Lab_1.java
Normal file
41
Lab 1/Lab_1.java
Normal file
@@ -0,0 +1,41 @@
|
|||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
public class Lab_1 {
|
||||||
|
public static void main(String[] args) {
|
||||||
|
int n, m, a, b;
|
||||||
|
float s = 0;
|
||||||
|
|
||||||
|
Scanner input = new Scanner(System.in);
|
||||||
|
|
||||||
|
System.out.print("Enter n: ");
|
||||||
|
n = input.nextInt();
|
||||||
|
|
||||||
|
System.out.print("Enter m: ");
|
||||||
|
m = input.nextInt();
|
||||||
|
|
||||||
|
do {
|
||||||
|
System.out.print("Enter a (can't be above n): ");
|
||||||
|
a = input.nextInt();
|
||||||
|
} while (a > n);
|
||||||
|
|
||||||
|
do {
|
||||||
|
System.out.print("Enter b (can't be above m): ");
|
||||||
|
b = input.nextInt();
|
||||||
|
} while (b > m);
|
||||||
|
|
||||||
|
input.close();
|
||||||
|
|
||||||
|
if ((a <= 0) && (n >= 0)) {
|
||||||
|
System.out.println("Error, division by zero, shutting down!");
|
||||||
|
System.exit(1);
|
||||||
|
}
|
||||||
|
|
||||||
|
for (int i = a; i < n; i++) {
|
||||||
|
for (int j = b; j < m; j++) {
|
||||||
|
s += i * j / i;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
System.out.println("S = " + s);
|
||||||
|
}
|
||||||
|
}
|
||||||
107
Lab 2/Lab_2.java
Normal file
107
Lab 2/Lab_2.java
Normal file
@@ -0,0 +1,107 @@
|
|||||||
|
import java.util.Scanner;
|
||||||
|
|
||||||
|
public class Lab_2 {
|
||||||
|
|
||||||
|
public static String format(int number) {
|
||||||
|
int width = String.valueOf(number).length() + 1;
|
||||||
|
String format = "|%" + width + "d ";
|
||||||
|
|
||||||
|
return format;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static double average(short[] row) {
|
||||||
|
short sum = 0;
|
||||||
|
|
||||||
|
for (short element : row) {
|
||||||
|
sum += element;
|
||||||
|
}
|
||||||
|
|
||||||
|
double result = sum / row.length;
|
||||||
|
|
||||||
|
return result;
|
||||||
|
}
|
||||||
|
|
||||||
|
public static void main(String[] args) {
|
||||||
|
short a, rows = 0, columns = 0;
|
||||||
|
String format;
|
||||||
|
|
||||||
|
Scanner input = new Scanner(System.in);
|
||||||
|
|
||||||
|
do {
|
||||||
|
try {
|
||||||
|
System.out.println();
|
||||||
|
System.out.print("Input a constant to multipy a matrix by: ");
|
||||||
|
|
||||||
|
a = input.nextShort();
|
||||||
|
break;
|
||||||
|
} catch (Exception e) {
|
||||||
|
System.out.println("A constant must be a short-data type integer, try again.");
|
||||||
|
input.nextLine();
|
||||||
|
}
|
||||||
|
} while (true);
|
||||||
|
|
||||||
|
System.out.println();
|
||||||
|
System.out.println("Input size of the matrix.");
|
||||||
|
|
||||||
|
do {
|
||||||
|
try {
|
||||||
|
System.out.print("Rows: ");
|
||||||
|
rows = input.nextShort();
|
||||||
|
} catch (Exception e) {
|
||||||
|
System.out.println("A number of rows must be a short-data type integer, try again.");
|
||||||
|
input.nextLine();
|
||||||
|
}
|
||||||
|
} while (rows <= 0);
|
||||||
|
|
||||||
|
do {
|
||||||
|
try {
|
||||||
|
System.out.print("Columns: ");
|
||||||
|
columns = input.nextShort();
|
||||||
|
} catch (Exception e) {
|
||||||
|
System.out.println("A number of columns must be a short-data type integer, try again.");
|
||||||
|
input.nextLine();
|
||||||
|
}
|
||||||
|
} while (columns <= 0);
|
||||||
|
|
||||||
|
short[][] matrix_B = new short[rows][columns];
|
||||||
|
|
||||||
|
System.out.println();
|
||||||
|
System.out.println("Matrix B:");
|
||||||
|
|
||||||
|
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 < rows; i++) {
|
||||||
|
for (short j = 0; j < columns; j++) {
|
||||||
|
matrix_B[i][j] *= (short) (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));
|
||||||
|
}
|
||||||
|
|
||||||
|
input.close();
|
||||||
|
}
|
||||||
|
}
|
||||||
@@ -1,11 +0,0 @@
|
|||||||
<?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>
|
|
||||||
@@ -1,58 +0,0 @@
|
|||||||
public class Lab1 {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
// char c = 'a' + '1';
|
|
||||||
char c = 97;
|
|
||||||
// char c = '1';
|
|
||||||
System.out.println(c);
|
|
||||||
System.out.println((int) c);
|
|
||||||
c++;
|
|
||||||
System.out.println(c);
|
|
||||||
System.out.println((int) c);
|
|
||||||
System.out.println((double)'1'/'3');
|
|
||||||
|
|
||||||
// System.out.println( (double) 0 / 0 );
|
|
||||||
// System.out.println( Math.sqrt(-1) );
|
|
||||||
double s = 0;
|
|
||||||
/*for (int i = 1; i <= 3; i++) { // 1) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> i = 1, 2) <20><><EFBFBD><EFBFBD> <20> <= 3, 3) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 䳿 <20> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>,
|
|
||||||
System.out.println(i); // 4) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><> 1, 5) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> 2
|
|
||||||
// s = s + i;
|
|
||||||
s += i;
|
|
||||||
}*/
|
|
||||||
/*int[] array = new int[2];
|
|
||||||
for (int i = 0; i < array.length; i++) {
|
|
||||||
|
|
||||||
}*/
|
|
||||||
final int A = -3;
|
|
||||||
final int B = 0;
|
|
||||||
final int N = 2;
|
|
||||||
final int M = 2;
|
|
||||||
|
|
||||||
final int C = 1;
|
|
||||||
// boolean wasDivisionByZero = false;
|
|
||||||
// todo char
|
|
||||||
// todo[clear code] think about avoiding brackets
|
|
||||||
if ((A <= -C && -C <= N) || (B <= 0 && 0 <= M)) {
|
|
||||||
System.out.println("Division by zero!");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
/*myLabel:*/for (int i = A; i <= N /*&& !wasDivisionByZero*/; i++) {
|
|
||||||
/*if (i + C == 0) { // todo optimize
|
|
||||||
System.out.println("Division by zero!");
|
|
||||||
wasDivisionByZero = true;
|
|
||||||
break; //todo flag vs return;
|
|
||||||
}*/
|
|
||||||
for (int j = B; j <= M; j++) {
|
|
||||||
/*if (j == 0) {
|
|
||||||
System.out.println("Division by zero!");
|
|
||||||
return;
|
|
||||||
// wasDivisionByZero = true;
|
|
||||||
// break myLabel;
|
|
||||||
}*/
|
|
||||||
s += (double) (i / j) / (i + C);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// if (!wasDivisionByZero) {
|
|
||||||
System.out.println("s = " + s);
|
|
||||||
// }
|
|
||||||
}
|
|
||||||
}
|
|
||||||
102
src/Lab2.java
102
src/Lab2.java
@@ -1,102 +0,0 @@
|
|||||||
public class Lab2 {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
final int A = 2;
|
|
||||||
final int[][] MATRIX_B = {
|
|
||||||
{1, 202, 1, 1, 202, 3, 1, 202, 3,},
|
|
||||||
{1, 202, 1, 1, 202, 3, 1, 202, 3,},
|
|
||||||
{1, 1, 3, 1, 202, 3, 1, 202, 3,},
|
|
||||||
// {4, 5, 6,},
|
|
||||||
};
|
|
||||||
|
|
||||||
int[][] MATRIX_C = multiplication(A, MATRIX_B);
|
|
||||||
|
|
||||||
print(MATRIX_C);
|
|
||||||
|
|
||||||
System.out.println("Sum of smallest elements in every column: " + sumOfSmallestElementsInEveryColumn(MATRIX_C));
|
|
||||||
|
|
||||||
/*int[] array = {1, 2, 3};
|
|
||||||
int[] array2 = new int[3];
|
|
||||||
Object[] array3 = new String[3];
|
|
||||||
System.out.println(array3[0]); //nothing, trash from the memory, null || null
|
|
||||||
System.out.println(array2[0]); //nothing, trash from the memory, null || 0
|
|
||||||
System.out.println(array[0]); // || 1
|
|
||||||
|
|
||||||
int[][] matrix2 = new int[2][3];
|
|
||||||
matrix2[0] = new int[2];
|
|
||||||
matrix2[1] = new int[1];
|
|
||||||
for (int i = 0; i < array.length; i++) {
|
|
||||||
if (i % 2 == 0) {
|
|
||||||
System.out.println("!" + array[i]);
|
|
||||||
} else {
|
|
||||||
System.out.println("?" + array[i]);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
for (int i = 0; i < array.length; i+=2) {
|
|
||||||
System.out.println("!" + array[i]);
|
|
||||||
}
|
|
||||||
|
|
||||||
for (int i = 1; i < array.length; i+=2) {
|
|
||||||
System.out.println("?" + array[i]);
|
|
||||||
}
|
|
||||||
|
|
||||||
// зубчасті матриці
|
|
||||||
int[][] matrix = {
|
|
||||||
{1, 2},
|
|
||||||
{3}
|
|
||||||
};
|
|
||||||
|
|
||||||
// C=a×B, a - const
|
|
||||||
|
|
||||||
|
|
||||||
// final int[][] MATRIX_C = int;
|
|
||||||
|
|
||||||
|
|
||||||
MATRIX_B[0][0] = 2;
|
|
||||||
MATRIX_B[0] = new int[]{1, 2};
|
|
||||||
System.out.println(MATRIX_B[0][0]);
|
|
||||||
MATRIX_B = new int[][]{
|
|
||||||
{1, 2},
|
|
||||||
{3}
|
|
||||||
};*/
|
|
||||||
}
|
|
||||||
|
|
||||||
private static int sumOfSmallestElementsInEveryColumn(final int[][] MATRIX_C) {
|
|
||||||
// todo check different length of rows
|
|
||||||
// todo try to change i and j
|
|
||||||
// todo check repetition of minimal elements
|
|
||||||
int sum = 0;
|
|
||||||
for (int i = 0; i < MATRIX_C[0].length; i++) {
|
|
||||||
int tmpSmallest = MATRIX_C[0][i];
|
|
||||||
for (int j = 1; j < MATRIX_C.length; j++) {
|
|
||||||
if (MATRIX_C[j][i] < tmpSmallest) {
|
|
||||||
tmpSmallest = MATRIX_C[j][i];
|
|
||||||
}
|
|
||||||
}
|
|
||||||
sum += tmpSmallest;
|
|
||||||
}
|
|
||||||
return sum;
|
|
||||||
}
|
|
||||||
|
|
||||||
private static void print(final int[][] MATRIX_C) {
|
|
||||||
for (int i = 0; i < MATRIX_C.length; i++) {
|
|
||||||
for (int j = 0; j < MATRIX_C[i].length; j++) {
|
|
||||||
// System.out.print(MATRIX_C[i][j] + "\t");//printf("%4d",
|
|
||||||
System.out.printf("%4d ", MATRIX_C[i][j]);//printf("%4d",
|
|
||||||
}
|
|
||||||
System.out.println();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
private static int[][] multiplication(int A, final int[][] MATRIX_B) {
|
|
||||||
final int[][] MATRIX_C = new int[MATRIX_B.length][/*MATRIX_B[0].length*/]; // todo !!!DANGER different lengths of rows
|
|
||||||
// final int[][] MATRIX_C = MATRIX_B;
|
|
||||||
for (int i = 0; i < MATRIX_B.length; i++) {
|
|
||||||
MATRIX_C[i] = new int[MATRIX_B[i].length];
|
|
||||||
for (int j = 0; j < MATRIX_B[i].length; j++) {
|
|
||||||
MATRIX_C[i][j] = MATRIX_B[i][j] * A;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return MATRIX_C;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,42 +0,0 @@
|
|||||||
public class Main {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
System.out.println(args[2]);
|
|
||||||
System.out.println("Hello world!");
|
|
||||||
// System.out.println(1);
|
|
||||||
|
|
||||||
int a = 1;
|
|
||||||
int b = 2;
|
|
||||||
int c = 1;
|
|
||||||
int d = 1;
|
|
||||||
|
|
||||||
System.out.println(2&1);
|
|
||||||
System.out.println(2|1);
|
|
||||||
int aa = 2;
|
|
||||||
|
|
||||||
/*if (aa) {
|
|
||||||
|
|
||||||
}*/
|
|
||||||
|
|
||||||
// System.out.println("a"&"b");
|
|
||||||
System.out.println('a'&'b');
|
|
||||||
|
|
||||||
if ((a > b) & MyBooleanMethod()) {
|
|
||||||
System.out.println("?????????????????????????");
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
static boolean MyBooleanMethod() {
|
|
||||||
System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
void myFunction() {
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
int myFunction2() {
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,20 +0,0 @@
|
|||||||
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);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@@ -1,10 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism;
|
|
||||||
|
|
||||||
public class EncapsulationInheritancePolymorphism {
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
int a = 1;
|
|
||||||
// var b = 2;
|
|
||||||
// System.out.println(b);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,14 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism;
|
|
||||||
|
|
||||||
public class Main {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
Student student = new Student();
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
//...
|
|
||||||
|
|
||||||
student.setFaculty("FPM", "MO-22");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,18 +0,0 @@
|
|||||||
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;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,9 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.inheritance;
|
|
||||||
|
|
||||||
public class ElectricEngine extends Engine {
|
|
||||||
private String batteryType;
|
|
||||||
|
|
||||||
/*private class Engine {
|
|
||||||
private int power;
|
|
||||||
}*/
|
|
||||||
}
|
|
||||||
@@ -1,5 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.inheritance;
|
|
||||||
|
|
||||||
public class Engine {
|
|
||||||
private int power;
|
|
||||||
}
|
|
||||||
@@ -1,5 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.inheritance;
|
|
||||||
|
|
||||||
public class FuelEngine extends Engine {
|
|
||||||
private String fuelType;
|
|
||||||
}
|
|
||||||
@@ -1,8 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.inheritance;
|
|
||||||
|
|
||||||
public class Main {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
ElectricEngine electricEngine = new ElectricEngine(); // створення нового об'єкту (екземпляру) класу ElectricEngine
|
|
||||||
FuelEngine fuelEngine = new FuelEngine();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,14 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism;
|
|
||||||
|
|
||||||
public class ElectricEngine extends Engine {
|
|
||||||
private String batteryType;
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int getPower() {
|
|
||||||
return 20;
|
|
||||||
}
|
|
||||||
|
|
||||||
/*private class Engine {
|
|
||||||
private int power;
|
|
||||||
}*/
|
|
||||||
}
|
|
||||||
@@ -1,9 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism;
|
|
||||||
|
|
||||||
public class Engine {
|
|
||||||
private int power;
|
|
||||||
|
|
||||||
public int getPower() {
|
|
||||||
return power;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,10 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism;
|
|
||||||
|
|
||||||
public class FuelEngine extends Engine {
|
|
||||||
private String fuelType;
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int getPower() {
|
|
||||||
return 50;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,38 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism;
|
|
||||||
|
|
||||||
/*import encapsulationInheritancePolymorphism.inheritance.ElectricEngine;
|
|
||||||
import encapsulationInheritancePolymorphism.inheritance.FuelEngine;*/
|
|
||||||
|
|
||||||
public class Main {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
/*encapsulationInheritancePolymorphism.inheritance.*/ElectricEngine electricEngine = new ElectricEngine(); // створення нового об'єкту (екземпляру) класу ElectricEngine
|
|
||||||
/*encapsulationInheritancePolymorphism.inheritance.*/FuelEngine fuelEngine = new FuelEngine();
|
|
||||||
|
|
||||||
Engine engine1 = fuelEngine;
|
|
||||||
|
|
||||||
Engine[] engines = {
|
|
||||||
electricEngine,
|
|
||||||
fuelEngine
|
|
||||||
};
|
|
||||||
|
|
||||||
for (Engine engine : engines) {
|
|
||||||
System.out.println(engine.getPower());
|
|
||||||
}
|
|
||||||
|
|
||||||
/*for (int i = 0; i < engines.length; i++) {
|
|
||||||
System.out.println(engines[i].getPower());
|
|
||||||
}*/
|
|
||||||
|
|
||||||
// +
|
|
||||||
int a = 1;
|
|
||||||
int b = 1;
|
|
||||||
int c = a + b;
|
|
||||||
System.out.println(c);
|
|
||||||
|
|
||||||
|
|
||||||
String sA = "1";
|
|
||||||
String sB = "1";
|
|
||||||
String sC = sA + sB;
|
|
||||||
System.out.println(sC);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,19 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism.enhanced;
|
|
||||||
|
|
||||||
public class ElectricEngine extends Engine {
|
|
||||||
private String batteryType;
|
|
||||||
private int chargeLevel = 9;
|
|
||||||
private int criticalChargeLevel = 10;
|
|
||||||
private float coefficientCriticalPowerCut = 0.1f;
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int getPower() {
|
|
||||||
return chargeLevel > criticalChargeLevel
|
|
||||||
? super.getPower()
|
|
||||||
: (int) (super.getPower() * coefficientCriticalPowerCut);
|
|
||||||
}
|
|
||||||
|
|
||||||
/*private class Engine {
|
|
||||||
private int power;
|
|
||||||
}*/
|
|
||||||
}
|
|
||||||
@@ -1,9 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism.enhanced;
|
|
||||||
|
|
||||||
public class Engine {
|
|
||||||
private int power = 100;
|
|
||||||
|
|
||||||
public int getPower() {
|
|
||||||
return power;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,10 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism.enhanced;
|
|
||||||
|
|
||||||
public class FuelEngine extends Engine {
|
|
||||||
private String fuelType;
|
|
||||||
|
|
||||||
/*public int getPower() {
|
|
||||||
return 50;
|
|
||||||
}*/
|
|
||||||
|
|
||||||
}
|
|
||||||
@@ -1,28 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism.enhanced;
|
|
||||||
|
|
||||||
/*import encapsulationInheritancePolymorphism.inheritance.ElectricEngine;
|
|
||||||
import encapsulationInheritancePolymorphism.inheritance.FuelEngine;*/
|
|
||||||
|
|
||||||
public class Main {
|
|
||||||
public static void main(String[] args) {
|
|
||||||
/*encapsulationInheritancePolymorphism.inheritance.*/
|
|
||||||
ElectricEngine electricEngine = new ElectricEngine(); // створення нового об'єкту (екземпляру) класу ElectricEngine
|
|
||||||
/*encapsulationInheritancePolymorphism.inheritance.*/
|
|
||||||
FuelEngine fuelEngine = new FuelEngine();
|
|
||||||
|
|
||||||
Engine engine1 = fuelEngine;
|
|
||||||
|
|
||||||
Engine[] engines = {
|
|
||||||
electricEngine,
|
|
||||||
fuelEngine
|
|
||||||
};
|
|
||||||
|
|
||||||
for (Engine engine : engines) {
|
|
||||||
System.out.println(engine.getPower());
|
|
||||||
}
|
|
||||||
|
|
||||||
/*for (int i = 0; i < engines.length; i++) {
|
|
||||||
System.out.println(engines[i].getPower());
|
|
||||||
}*/
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,17 +0,0 @@
|
|||||||
package encapsulationInheritancePolymorphism.polymorphism.overload;
|
|
||||||
|
|
||||||
public class MyClassForOverloadExample {
|
|
||||||
void myMethod(int a) {
|
|
||||||
System.out.println("Integer: " + a);
|
|
||||||
}
|
|
||||||
|
|
||||||
void myMethod(double a) {
|
|
||||||
System.out.println("Double: " + a);
|
|
||||||
}
|
|
||||||
|
|
||||||
public static void main(String[] args) {
|
|
||||||
MyClassForOverloadExample overload = new MyClassForOverloadExample();
|
|
||||||
overload.myMethod(1);
|
|
||||||
overload.myMethod(0.1);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,13 +0,0 @@
|
|||||||
package test;
|
|
||||||
|
|
||||||
public class A {
|
|
||||||
/*private*/ int f/* = 3*/;
|
|
||||||
|
|
||||||
public int getF() {
|
|
||||||
return f;
|
|
||||||
}
|
|
||||||
|
|
||||||
public void setF(int f) {
|
|
||||||
this.f = f;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
@@ -1,15 +0,0 @@
|
|||||||
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