Slight rehash.

.gitignore

@@ -1,2 +1,2 @@
-# Project exclude paths
-/out/
+Rust/lab_1/target
+Rust/lab_2/target

.idea/.gitignore

@@ -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

.idea/misc.xml

@@ -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>

.idea/modules.xml

@@ -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>

.idea/uiDesigner.xml

@@ -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>

.idea/vcs.xml

@@ -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>

Java/lab_1/lab_1.java

@@ -0,0 +1,33 @@
+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);
+    }
+}

Java/lab_1/lab_1.kt

@@ -0,0 +1,23 @@
+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")
+}

Java/lab_2/lab_2.java

@@ -0,0 +1,104 @@
+package OOP.Java.lab_2;
+
+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;
+    }
+
+    public static String format(int number) {
+        int width = String.valueOf(number).length() + 1;
+
+        return "|%" + width + "d ";
+    }
+
+    public static double average(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));
+        }
+    }
+}

Java/lab_3/lab_3.java

@@ -0,0 +1,57 @@
+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 maxLength update
+        // maxLength and res
+        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));
+    }
+}

OOP_IO-2x_2023.iml

@@ -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>

Rust/lab_1/Cargo.lock

@@ -0,0 +1,16 @@
+# 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"

Rust/lab_1/Cargo.toml

@@ -0,0 +1,16 @@
+[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
+
+[profile.release]
+opt-level = 'z'     # Optimize for size
+lto = true          # Enable link-time optimization
+codegen-units = 1   # Reduce number of codegen units to increase optimizations
+panic = 'abort'     # Abort on panic
+strip = true        # Strip symbols from binary*
+
+[dependencies]
+text_io = "0.1.12"

Rust/lab_1/src/main.rs

@@ -0,0 +1,22 @@
+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);
+}

Rust/lab_2/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "lab_2"
+version = "0.1.0"

Rust/lab_2/Cargo.toml

@@ -0,0 +1,8 @@
+[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]

Rust/lab_2/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

src/Main.java

@@ -1,15 +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);
-    }
-
-    void myFunction() {
-
-    }
-
-    int myFunction2() {
-        return 1;
-    }
-}

src/_12_Закревський_Данило_Сергійович/lab1/FirstLab.java

@@ -1,30 +0,0 @@
-import java.util.Scanner;
-
-public class FirstLab {
- 
-    public static void main(String[] args) {
-        Scanner scn = new Scanner(System.in);
-        final int C = 0; 
-        double S = 0.0;
-        System.out.print("Enter a: "); 
-        int a = scn.nextInt(); 
-        System.out.print("Enter b: ");
-        int b = scn.nextInt();
-        System.out.print("Enter n: ");
-        int n = scn.nextInt();
-        System.out.print("Enter m: ");
-        int m = scn.nextInt();
-        if ((a <= 0 & n >= 0) | (b <= 0 & m >= 0)){
-            System.out.println("Division by 0!"); 
-        } else {
-            for (char i = (char) a; i <= n; i++) {
-                for(char j = (char) b; j <= m; j++) {
-                        S += (double) (i % j) / (i + C);
-                }
-            }
-            System.out.printf("Result - %.3f", S);
-        }
-
-        scn.close();
-    }
-}

src/_12_Закревський_Данило_Сергійович/lab2/SecondLab.java

@@ -1,63 +0,0 @@
-import java.util.Scanner;
-import java.util.Random;
-
-public class SecondLab {
-
-    public static void main(String[] args) {
-        Scanner scn = new Scanner(System.in);
-        Random rnd = new Random();
-        System.out.print("Enter number of rows in matrix A: ");
-        int mA = scn.nextInt(); 
-        System.out.print("Enter the number of columns in matrix A: ");
-        int nA = scn.nextInt(); 
-        System.out.print("Enter number of rows in matrix B: ");
-        int mB = scn.nextInt(); 
-        System.out.print("Enter the number of columns in matrix B: ");
-        int nB = scn.nextInt(); 
-        long largest, sum = 0L; 
-        if(mA != mB || nA != nB) {
-            System.out.println("Unable to add matrices!"); 
-        } else {
-            long[][] matrixA = new long[mA][nA];
-            long[][] matrixB = new long[mB][nB]; 
-            long[][] matrixC = new long[mA][nA];
-
-            System.out.println("Matrix A: ");
-            for(int i = 0; i < mA; i++) {
-                for(int j = 0; j < nA; j++) {
-                    matrixA[i][j] = rnd.nextLong(10, 50) + 10;
-                    System.out.printf("|%d", matrixA[i][j]);      
-                }
-                System.out.println("|");
-            }
-            System.out.println("Matrix B: ");
-            for(int i = 0; i < nA; i++) {
-                for(int j = 0; j < nB; j++) {
-                    matrixB[i][j] = rnd.nextLong(10, 50) + 10;
-                    System.out.printf("|%d", matrixB[i][j]); 
-                }
-                System.out.println("|");
-            }
-            System.out.println("Matrix C: ");
-            for(int i = 0; i < mA; i++) {
-                for(int j = 0; j < nA; j++) {
-                    matrixC[i][j] = matrixA[i][j] + matrixB[i][j];
-                    System.out.printf("|%d", matrixC[i][j]);    
-                }
-                System.out.println("|");
-            }
-            for(long[] row: matrixC) {
-                largest = row[0];
-                for(long elem : row) {
-                    if(elem > largest) {
-                        largest = elem;    
-                    }
-                }
-                sum += largest;        
-            }
-            System.out.printf("Sum = %d", sum); 
-        }
-        scn.close();
-    }
-    
-}

src/_12_Закревський_Данило_Сергійович/lab3/ThirdLab.java

@@ -1,33 +0,0 @@
-import java.util.Scanner;
-
-public class ThirdLab {
-
-    public static void main(String[] args) {
-        Scanner scn = new Scanner(System.in);
-        System.out.print("Enter a string: "); 
-        String text = scn.nextLine();  
-        StringBuilder textBuilder = new StringBuilder(text); 
-        System.out.print("Enter a string to replace the words: ");
-        String replace = scn.nextLine(); 
-        System.out.print("Enter the length of the words to replace: ");
-        int length = scn.nextInt(); 
-        String[] words = textBuilder.toString().split("\\s+"); 
-        textBuilder.setLength(0);  
-        for(String word : words) {
-            if(word.charAt(word.length()-1) == '.' && word.length() - 1 == length) {
-                textBuilder.append(replace + ". "); 
-            } else if (word.charAt(word.length() - 1) == '!' && word.length() - 1 == length) {
-                textBuilder.append(replace + "! ");
-            } else if (word.charAt(word.length() - 1) == '?' && word.length() - 1 == length) { 
-                textBuilder.append(replace + "? ");
-            } else if (word.length() == length) {          
-                textBuilder.append(replace + " "); 
-            } else {
-                textBuilder.append(word + " ");
-            }
-        }
-
-        System.out.printf("Result: %s", textBuilder);
-        scn.close();
-    }
-}

src/_12_Закревський_Данило_Сергійович/lab4/Airplane.java

@@ -1,59 +0,0 @@
-import java.util.Comparator;
-
-public class Airplane {
-  private String name;
-	private String type; 
-	private int weight; 
-  private int amountOfEngines;
-  private int year; 
-	private String color; 
-	private int capacity;
-  private int price; 
-	
-
-  public Airplane(String name, String type, int weight, int amountOfEngines, int year, String color, int capacity, int price) {
-		this.name = name;
-    this.type = type;
-		this.weight = weight;
-		this.amountOfEngines = amountOfEngines;
-    this.year = year;
-		this.color = color;
-		this.capacity = capacity;
-    this.price = price;
-	}
-
-  public int getPrice() {
-      return price;
-  }
-
-  public int getYear() {
-      return year;
-  }
-
-  @Override
-  public String toString() {
-      return "Plane : " +
-              "name = " + name +
-              ", type = " + type +
-              ", weight = " + weight + " tons" +
-              ", amount of engines = " + amountOfEngines +
-              ", year = " + year + 
-              ", color = " + color + 
-              ", capacity = " + capacity + 
-              ", price = " + price + " millions dollars.";
-  }
-}
-
-class SortByPrice implements Comparator<Airplane> {
-    
-    public int compare(Airplane a, Airplane b) {
-        return a.getPrice() - b.getPrice();
-    }
-} 
-
-class SortByYear implements Comparator<Airplane> {
-
-    public int compare(Airplane a, Airplane b) {
-        return a.getYear() - b.getYear();
-    }
-}

src/_12_Закревський_Данило_Сергійович/lab4/FourthLab.java

@@ -1,32 +0,0 @@
-import java.util.Arrays;
-
-public class FourthLab {
-
-    public static void main(String[] args) {
-        final Airplane plane1 = new Airplane("Boeing 747", "passenger", 180, 4, 1970, "Lightblue", 467, 70);
-        final Airplane plane2 = new Airplane("Airbus A380", "passenger", 575, 4, 2003, "Orange", 850, 389);
-        final Airplane plane3 = new Airplane("General Dynamics F-16", "military", 9, 1, 1974, "Grey", 1, 45);
-        final Airplane plane4 = new Airplane("Boeing C-17 Globemaster III", "cargo", 130, 4, 1995, "Grey", 102, 340);
-        final Airplane plane5 = new Airplane("An-225 Mriya", "cargo", 285, 6, 1990, "White", 20, 500);
-        Airplane[] planes = {plane1, plane2, plane3, plane4, plane5};
-
-        System.out.println("List of planes: ");
-        for(Airplane plane : planes) {
-            System.out.println(plane);
-        }
-        System.out.println();
-
-        Arrays.sort(planes, new SortByPrice());
-        System.out.println("Sorted by price: ");  
-        for(Airplane plane : planes) {
-            System.out.println(plane);
-        }
-        System.out.println();
-
-        Arrays.sort(planes, new SortByYear().reversed());
-        System.out.println("Sorted by year: ");
-        for(Airplane plane : planes) {
-            System.out.println(plane);
-        }
-    }
-}

src/_12_Закревський_Данило_Сергійович/lab5/FifthLab.java

@@ -1,139 +0,0 @@
-import java.util.Scanner;
-
-public class FifthLab {
-
-    public static void main(String[] args) {
-        Scanner scn = new Scanner(System.in);
-        System.out.println("Enter a string: ");
-        String text = scn.nextLine();
-        StringBuilder textBuilder = new StringBuilder(text);
-        StringBuilder result = new StringBuilder();
-
-        System.out.print("Enter a string to replace the words: ");
-        String replace = scn.nextLine();
-        System.out.print("Enter the length of the words to replace: ");
-        int length = scn.nextInt();
-        
-        System.out.println("\nText before changes: ");
-        System.out.println(textBuilder);
-
-
-        String[] mySentence = textBuilder.toString().split("(?<=[!.?])\\s?");
-        for(String s: mySentence) {
-            StringBuilder sb = new StringBuilder(s);
-            Sentence sentence = new Sentence(sb, length, replace);
-            result.append(sentence.wordsSplit());
-        }
-
-        System.out.println("\nText after changes: ");
-        System.out.println(result);
-        scn.close();
-    }  
-}
-
-class Sentence {
-    
-    private final StringBuilder sentence;
-    private final int length;
-    private final String replace;
-
-    public Sentence(StringBuilder sentence, int length, String replace) {
-        this.sentence = sentence;
-        this.length = length;
-        this.replace = replace;
-    }
-
-    public StringBuilder wordsSplit() {
-        StringBuilder ReturnSentence = new StringBuilder();
-        String text = sentence.toString();
-        String[] words = text.split(" ");
-        for(String s: words) {
-            StringBuilder sb = new StringBuilder(s);
-            Word word = new Word(sb, length, replace);
-            ReturnSentence.append(word.lettersSplit()).append(" ");
-        }
-
-        return ReturnSentence;
-    }
-}
-
-class Word {
-
-    private final StringBuilder word;
-    private final int length;
-    private final String replace;
-
-    public Word(StringBuilder word, int length, String replace) {
-        this.word = word;
-        this.length = length;
-        this.replace = replace;
-    }
-
-    public StringBuilder lettersSplit() {
-        StringBuilder ReturnWord = new StringBuilder();
-        String wordstr = word.toString();
-        int len = wordstr.length();
-        String[] letters = wordstr.split("");
-        String[] ReplaceLetters = replace.split("");
-        char last = wordstr.charAt(word.length() - 1);
-        if(last == '!' || last == '?' || last == '.') {
-            if(wordstr.charAt(word.length() - 2) == '.') {
-                len = wordstr.length() - 3;
-            } else {
-                len = wordstr.length() - 1;
-            }
-        }
-        if(len == length) {
-            for(String chr: ReplaceLetters) {
-                StringBuilder ltr = new StringBuilder(chr);
-                Letter letter = new Letter(ltr);
-                ReturnWord.append(letter.getLetter());
-            }
-            if(wordstr.length() - len == 1) {
-                ReturnWord.append(wordstr.charAt(wordstr.length() - 1));
-            } else if(wordstr.length() - len == 3) {
-                ReturnWord.append("...");
-            }
-        } else {
-            for(String chr: letters) {
-                StringBuilder ltr = new StringBuilder(chr);
-                if(chr.equals("!") || chr.equals("?") || chr.equals(".") || chr.equals(",") || chr.equals(":") || chr.equals(";")) {
-                    Punctuation punctuation = new Punctuation(ltr);
-                    ReturnWord.append(punctuation.getPunctuation());
-                } else {
-                    Letter letter = new Letter(ltr);
-                    ReturnWord.append(letter.getLetter());
-                }
-            }
-        }
-        
-        return ReturnWord;
-    }
-}
-
-class Letter {
-
-    private final StringBuilder letter;
-
-    public Letter(StringBuilder letter) {
-        this.letter = letter;
-    }
-
-    public StringBuilder getLetter() {
-        return letter;
-    }
-
-}
-
-class Punctuation {
-
-    private final StringBuilder punctuation;
-
-    public Punctuation(StringBuilder punctuation) {
-        this.punctuation = punctuation;
-    }
-
-    public StringBuilder getPunctuation() {
-        return punctuation;
-    }
-} 

src/_12_Закревський_Данило_Сергійович/lab6/SixthLab.java

@@ -1,138 +0,0 @@
-import java.util.Scanner;
-import java.util.Arrays;
-import java.util.Comparator;
-
-public class SixthLab {
-    
-    public static int sumOfPassangers(Train[] trains) {
-        int sum = 0;
-        for (Train train: trains) {
-            sum += train.getCapacity();
-        }
-        return sum;
-    }
-
-    public static float sumOfLuggage(Train[] trains) {
-        float sum = 0.0f;
-        for (Train train: trains) {
-            sum += train.getLuggage();
-        }
-        return sum;
-    }
-    
-    public static void main(String[] args) {
-        Scanner scn = new Scanner(System.in);
-        Intercity intercity = new Intercity(2, "intercity", 57, 2.0f);
-        SV sv = new SV(3, "sv", 20, 1.3f);
-        Compartment compartment = new Compartment(2, "compartment", 40, 2.5f);
-        Plackart plackart = new Plackart(1, "plackart", 52, 1.8f);
-        Train[] trainCars = {intercity, sv, compartment, plackart};
-
-        System.out.println("List of train cars: ");
-        for (Train car: trainCars) {
-            System.out.println(car);
-        }
-
-        Arrays.sort(trainCars, new sortByComfort());
-        System.out.println("\nSorted list by comfort level: ");
-        for (Train car: trainCars) {
-            System.out.println(car);
-        }
-
-        System.out.printf("\n\nThe total number of passengers on the train - %d.\n", sumOfPassangers(trainCars));
-        System.out.printf("The total amount of train baggage - %.1f tons.", sumOfLuggage(trainCars));
-
-        System.out.println("\n\nFinding the train car by number of passengers");
-        System.out.print("Enter the lower number: ");
-        int lower = scn.nextInt();
-        System.out.print("Enter the extreme number: ");
-        int extreme = scn.nextInt();
-        boolean flag = false;
-        for (Train car: trainCars) {
-            int amount = car.getCapacity();
-            if(amount >= lower && amount <= extreme) {
-                System.out.println(car);
-                flag = true;
-            }
-        }
-        if (!flag) {
-            System.out.println("There is no such train car");
-        }
-        scn.close();
-    }
-}
-
-class Train {
-    private int comfortLevel;
-    private String type;
-    private int capacity;
-    private float luggage;
-
-    public Train(int comfortLevel, String type, int capacity, float luggage) {
-        this.comfortLevel = comfortLevel;
-        this.type = type;
-        this.capacity = capacity;
-        this.luggage = luggage;
-    }
-
-    public int getComfortLevel() {
-        return comfortLevel;
-    }
-
-    public String getType() {
-        return type;
-    }
-    
-    public int getCapacity() {
-        return capacity;
-    }
-
-    public float getLuggage() {
-        return luggage;
-    }
-
-    @Override
-    public String toString() {
-        return "Train : " + 
-                " Type: " + type +
-                ". Comfort level: " + comfortLevel +
-                ". Capacity: " + capacity + 
-                ". Luggage: " + luggage + " tons.";
-    }
-}
-
-
-class Intercity extends Train {
-
-    public Intercity(int comfortLevel, String type, int capacity, float luggage) {
-        super(comfortLevel, type, capacity, luggage);
-    }
-}
-
-class SV extends Train {
-
-    public SV(int comfortLevel, String type, int capacity, float luggage) {
-        super(comfortLevel, type, capacity, luggage);
-    }
-}
-
-class Compartment extends Train {
-
-    public Compartment(int comfortLevel, String type, int capacity, float luggage) {
-        super(comfortLevel, type, capacity, luggage);
-    }
-}
-
-class Plackart extends Train {
-
-    public Plackart(int comfortLevel, String type, int capacity, float luggage) {
-        super(comfortLevel, type, capacity, luggage);
-    }
-}
-
-class sortByComfort implements Comparator<Train> {
-    
-    public int compare(Train a, Train b){
-        return a.getComfortLevel() - b.getComfortLevel();
-    }
-}

src/encapsulationInheritancePolymorphism/Encapsulation.java

@@ -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);
-    }
-}
-

src/encapsulationInheritancePolymorphism/EncapsulationInheritancePolymorphism.java

@@ -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);
-    }
-}

src/encapsulationInheritancePolymorphism/Main.java

@@ -1,14 +0,0 @@
-package encapsulationInheritancePolymorphism;
-
-public class Main {
-    public static void main(String[] args) {
-        Student student = new Student();
-
-
-
-
-        //...
-
-        student.setFaculty("FPM", "MO-22");
-    }
-}

src/encapsulationInheritancePolymorphism/Student.java

@@ -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;
-    }
-}

src/test/A.java

@@ -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;
-    }
-}

src/test/Main.java

@@ -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);
-    }
-}