added lab 1, lab 2

This reverts commit 29e63163a4.

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="openjdk-19" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

.idea/modules.xml

@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/Matrix.iml" filepath="$PROJECT_DIR$/Matrix.iml" />
+      <module fileurl="file://$PROJECT_DIR$/OOP_IO-2x_2023.iml" filepath="$PROJECT_DIR$/OOP_IO-2x_2023.iml" />
     </modules>
   </component>
 </project>

.idea/uiDesigner.xml

@@ -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>

.idea/vcs.xml

@@ -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>

lab1/FunctionCalculator/.idea/.name

@@ -1 +0,0 @@
-Main.java

lab1/FunctionCalculator/.idea/misc.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="openjdk-19" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>

lab1/FunctionCalculator/.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/FunctionCalculator.iml" filepath="$PROJECT_DIR$/FunctionCalculator.iml" />
-    </modules>
-  </component>
-</project>

lab1/FunctionCalculator/src/Main.java

@@ -1,51 +0,0 @@
-import java.util.Scanner;
-public class Main {
-    public static void main(String[] args) {
-        //C2 = 2501 % 2 = 1, і операція O1 буде відніманням (-).
-        //C3 = 2501 % 3 = 2
-        //C5 = 2501 % 5 = 1, і операція O2 буде діленням (/).
-        //C7 = 2501 % 7 = 4, тип індексів i та j буде char.
-        double result = 0;  // результат
-        char i, j;
-        char operation1 = '-';
-        double constant = 2.0;
-        Scanner scanner = new Scanner(System.in);
-        System.out.print("Введіть значення n: ");
-        int n = scanner.nextInt();
-        System.out.print("Введіть значення m: ");
-        int m = scanner.nextInt();
-
-        // Обчислення значення функції S
-        for (i = 'a'; i <= 'a' + n - 1; i++) {
-            for (j = 'b'; j <= 'b' + m - 1; j++) {
-                try {
-                    double value = (double) i / applyOperation(j, operation1, constant);
-                    result += value;
-                } catch (ArithmeticException e) {
-                    System.out.println("Ділення на нуль: " + e.getMessage());
-                } catch (Exception e) {
-                    System.out.println("Виникла помилка: " + e.getMessage());
-                }
-            }
-        }
-
-        // Виведення результату
-        System.out.println("Результат: " + result);
-    }
-
-    // Метод, який застосовує операцію О1 до двох чисел
-    public static double applyOperation(char j, char operation, double constant) throws Exception {
-        switch (operation) {
-            case '-':
-                return (double) j - constant;
-            case '/':
-                if (constant == 0.0) {
-                    throw new ArithmeticException("C не може бути рівним нулю");
-                } else {
-                    return (double) j / constant;
-                }
-            default:
-                throw new Exception("Непідтримувана операція: " + operation);
-        }
-    }
-}

lab2/Matrix/.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

lab2/Matrix/.idea/.name

@@ -1 +0,0 @@
-Main.java

lab2/Matrix/Matrix.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>

lab2/Matrix/src/Main.java

@@ -1,58 +0,0 @@
-import java.util.Arrays;
-
-public class Main {
-    public static void main(String[] args) {
-        byte[][] matrix = {{4, 7, 3}, {4, 7, 6}, {7, 10, 9}};
-
-        //C5 = 2501 mod 5 = 1, тому C = B^T (транспонування матриці)
-        //C7 = 2501 mod 7 = 1, тому тип елементів матриці має бути byte
-        //C11 = 2501 mod 11 = 10, тому треба знайти середнє значення елементів матриці
-
-        // Виконуємо дію з матрицею: транспонування матриці B
-        byte[][] transposedMatrix = transposeMatrix(matrix);
-        System.out.println("Transposed matrix: ");
-        printMatrix(transposedMatrix);
-
-        // Виконуємо дію з матрицею C: знаходимо середнє значення елементів матриці
-        double average = calculateAverage(transposedMatrix);
-        System.out.println("Cереднє значення елементів матриці: " + average);
-    }
-
-    // Метод для транспонування матриці
-    private static byte[][] transposeMatrix(byte[][] matrix) {
-        int rows = matrix.length;
-        int columns = matrix[0].length;
-
-        byte[][] transposedMatrix = new byte[columns][rows];
-
-        for (int i = 0; i < rows; i++) {
-            for (int j = 0; j < columns; j++) {
-                transposedMatrix[j][i] = matrix[i][j];
-            }
-        }
-
-        return transposedMatrix;
-    }
-
-    // Метод для знаходження середнього значення елементів матриці
-    private static double calculateAverage(byte[][] matrix) {
-        int rows = matrix.length;
-        int columns = matrix[0].length;
-
-        int sum = 0;
-        for (int i = 0; i < rows; i++) {
-            for (int j = 0; j < columns; j++) {
-                sum += matrix[i][j];
-            }
-        }
-
-        return (double) sum / (rows * columns);
-    }
-
-    // Метод для виведення матриці на екран
-    private static void printMatrix(byte[][] matrix) {
-        for (byte[] row : matrix) {
-            System.out.println(Arrays.toString(row));
-        }
-    }
-}

lab3/OperationsStrings/.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

lab3/OperationsStrings/.idea/.name

@@ -1 +0,0 @@
-Main.java

lab3/OperationsStrings/.idea/misc.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="openjdk-19" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>

lab3/OperationsStrings/.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/OperationsStrings.iml" filepath="$PROJECT_DIR$/OperationsStrings.iml" />
-    </modules>
-  </component>
-</project>

lab3/OperationsStrings/OperationsStrings.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>

lab3/OperationsStrings/src/Main.java

@@ -1,25 +0,0 @@
-import java.util.HashSet;
-
-public class Main {
-
-    public static void main(String[] args) {
-        String inputText = "Who are you? What is your name? Where are you from?";
-        int targetLength = 3;
-
-        try {
-            HashSet<String> uniqueWords = new HashSet<String>();
-            String[] sentences = inputText.split("[?]");
-            for (String sentence : sentences) {
-                String[] words = sentence.trim().split("\\s+");
-                for (String word : words) {
-                    if (word.length() == targetLength) {
-                        uniqueWords.add(word.toLowerCase());
-                    }
-                }
-            }
-            System.out.println("Unique words of length " + targetLength + " in the input text are: " + uniqueWords);
-        } catch (Exception e) {
-            System.out.println("An error occurred: " + e.getMessage());
-        }
-    }
-}

src/Lab1/Lab1.java

@@ -0,0 +1,140 @@
+package Lab1;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class Lab1 {
+    public static void main(String[] args) {
+        int C2, C3, C5, C7; // creating variables
+        int numBook = 2401; // default value of scorebook
+
+        Scanner sc = new Scanner(System.in); // scanner creating for inputing values from keyboard
+        System.out.println("By default number of scorebook is 2401. \nEnter to skip or input new value: ");
+        String input = sc.nextLine();
+
+        if (!input.equals("")) { // try-catch for checking correct inputing of value
+            try {
+                numBook = Math.abs(Integer.parseInt(input)); // scorebook can be only unsigned
+            } catch (NumberFormatException e) {
+                System.out.println("Invalid input. Using default value 2401"); // printing that will be used default value
+            }
+        }
+
+        String[] operations1 = {"+", "-"};//
+        String[] operations2 = {"*", "/", "%", "+", "-"}; //  String array for choosing operations
+        String[] operations3 = {"byte", "short", "int", "long", "char", "float", "double"}; //
+        // determining variables
+        C2 = numBook % 2;
+        C3 = numBook % 3;
+        C5 = numBook % 5;
+        C7 = numBook % 7;
+
+        String O1 = operations1[C2];
+        int C = C3;
+        String O2 = operations2[C5];
+        String O3 = operations3[C7];
+
+        System.out.println("C2 is: " + C2 + ", operation is: " + O1); //
+        System.out.println("C3 is: " + C);                            // printing parameters that user got
+        System.out.println("C5 is: " + C5 + ", operation is: " + O2); //
+        System.out.println("C7 is: " + C7 + ", Type of indexes i and j is: " + O3); //
+
+        Number i = 0; // creating objects i j of (abstract)superclass Number
+        Number j = 0; //
+
+
+        System.out.println("\nEnter a value for i and j in the " + O3 + " type: ");
+
+        switch (O3) { // Choosing type of i and j by C7
+            case "byte" -> {
+                try {
+                    i = sc.nextByte();
+                    j = sc.nextByte();
+                } catch (InputMismatchException e) {
+                    System.out.println("Invalid input. Please enter a valid byte value.");
+                    sc.nextLine();
+                }
+            }
+            case "short" -> {
+                i = sc.nextShort();
+                j = sc.nextShort();
+            }
+            case "int" -> {
+                i = sc.nextInt();
+                j = sc.nextInt();
+            }
+            case "long" -> {
+                i = sc.nextLong();
+                j = sc.nextLong();
+            }
+            case "char" -> {
+                System.out.println("Read only first character!");
+                i = (int) sc.next().charAt(0);
+                j = (int) sc.next().charAt(0);
+            }
+            case "float" -> {
+                i = sc.nextFloat();
+                j = sc.nextFloat();
+            }
+            case "double" -> {
+                i = sc.nextDouble();
+                j = sc.nextDouble();
+            }
+
+        }
+
+
+        System.out.println("The value of the created variables is: " + i + " and " + j);
+
+
+
+        class Sum { // creating class Sum
+            int n, m;
+            double i, j;
+
+            public Sum(double i, double j, int n, int m) { // Constructor to initialize all variables
+                this.i = i;
+                this.j = j;
+                this.n = n;
+                this.m = m;
+            }
+
+            public void calc() { // create method for our class
+                double sum = 0, result = 0, result2 = 0;
+                if ((O1.equals("-") && i + n >= C && i <= C) || (C == 0 && i == 0)) { // exclude situations
+                    System.out.println("dividing by zero!");                          // with dividing by 0
+                } else if (i > n || j > m) {
+                    System.out.println("i or j greater than n or m");
+                } else {
+                    for (double b = i; b <= n; b++) {
+                        for (double a = j; a <= m; a++) {
+                            switch (O2) {
+                                case "+" -> result = b + a;
+                                case "-" -> result = b - a;
+                                case "*" -> result = b * a;
+                                case "/" -> result = b / a;
+                                case "%" -> result = b % a;
+                            }
+                            switch (O1) {
+                                case "+" -> result2 = b + C;
+                                case "-" -> result2 = b - C;
+                            }
+                            sum += result / result2;
+                        }
+                    }
+                    System.out.println("Sum is: " + sum);
+                }
+            }
+        }
+
+        System.out.print("Enter value for n and m: \n");
+
+        int n = sc.nextInt();
+        int m = sc.nextInt();
+
+        Sum sum = new Sum(i.doubleValue(), j.doubleValue(), n, m); // creating new instance of Sum class
+        // .doubleValue() converting our variables to double
+        sum.calc();
+        sc.close();
+    }
+}

src/Lab2/Lab2.java

@@ -0,0 +1,153 @@
+package Lab2;
+
+import java.util.Scanner;
+import java.util.Random;
+
+public class Lab2 {
+    public static void main(String[] args) {
+        final int C5, C7, C11, NumBook;
+        NumBook = 2401;
+        C5 = NumBook % 5;
+        C7 = NumBook % 7;
+        C11 = NumBook % 11;
+        System.out.println("-----------------------------------------------------");
+        System.out.println("C5 is: " + C5 + " - act with martix is C=Bт");
+        System.out.println("C7 is: " + C7 + " - type of elements is double");
+        System.out.println("C11 is: " + C11 + " - calculate the sum of the largest elements\n" +
+                "of each row of the matrix");
+        System.out.println("-----------------------------------------------------");
+        int Mside = 0;
+        int Nside = 0;
+        int Choose;
+        double MaxSum = 0;
+        Random rand = new Random();
+        Scanner sc = new Scanner(System.in);
+
+        while (true) {
+            try {
+                System.out.print("Enter random or handle input(1 or 0): ");
+                Choose = Math.abs(Integer.parseInt(sc.nextLine()));
+                if (Choose == 1 || Choose == 0) {
+                    break;
+                }
+            } catch (NumberFormatException e) {
+                System.out.println("Invalid input. Please enter an integer.");
+            }
+
+        }
+        while (true) {
+            try {
+                System.out.print("Enter number of rows: ");
+                Mside = Math.abs(Integer.parseInt(sc.nextLine()));
+                if (Mside <= 0) {
+                    System.out.println("Invalid input. Number of rows must be greater than 0");
+
+                } else {
+                    break;
+                }
+            } catch (NumberFormatException e) {
+                System.out.println("Invalid input. Please enter an integer.");
+            }
+        }
+
+        while (true) {
+            try {
+                System.out.print("Enter number of columns: ");
+                Nside = Math.abs(Integer.parseInt(sc.nextLine()));
+                if (Nside <= 0) {
+                    System.out.println("Invalid input. Number of columns must be greater than 0");
+
+                } else {
+                    break;
+                }
+            } catch (NumberFormatException e) {
+                System.out.println("Invalid input. Please enter an integer.");
+            }
+        }
+        final int lenghtMaxElements = 5;
+        double[][] CArray = new double[Mside][Nside];
+        double[][] TransposedArray = new double[Nside][Mside];
+        double[][] MaxElements = new double[Nside][lenghtMaxElements];
+        if (Choose == 1) {
+            for (int i = 0; i < Mside; i++) {
+                for (int j = 0; j < Nside; j++) {
+                    CArray[i][j] = rand.nextDouble(-100, 100);
+                }
+
+            }
+        }
+        if (Choose == 0) {
+            for (int i = 0; i < Mside; i++) {
+                for (int j = 0; j < Nside; j++) {
+                    while (true) {
+                        try {
+                            System.out.printf("Enter the element at position (%d,%d): ", i + 1, j + 1);
+                            CArray[i][j] = Double.parseDouble(sc.nextLine());
+                            break;
+                        } catch (NumberFormatException e) {
+                            System.out.println("Invalid input. Please enter a valid number.");
+                        }
+                    }
+                }
+            }
+        }
+        for (int i = 0; i < Mside; i++) {
+            for (int j = 0; j < Nside; j++) {
+                System.out.printf("%8.2f", CArray[i][j]);
+            }
+            System.out.println();
+        }
+
+        for (int i = 0; i < Nside; i++) {
+            for (int j = 0; j < Mside; j++) {
+                TransposedArray[i][j] = CArray[j][i];
+            }
+        }
+        System.out.println("Transposed array is:");
+        int row, cols;
+        for (row = 0; row < Nside; row++) {
+            for (cols = 0; cols < Mside; cols++) {
+                System.out.printf("%8.2f", TransposedArray[row][cols]);
+
+            }
+            System.out.println();
+        }
+
+        for (int i = 0; i < Nside; i++) {
+            MaxElements[i][0] = TransposedArray[i][0];
+
+            for (int j = 1; j < Mside; j++) {
+                MaxElements[i][1] = i;
+                if (TransposedArray[i][j] > MaxElements[i][0]) {
+                    MaxElements[i][0] = TransposedArray[i][j];
+                    MaxElements[i][2] = j;
+
+
+                } else if (TransposedArray[i][j] == MaxElements[i][0]) {
+                    MaxElements[i][3] = MaxElements[i][0];
+                    MaxElements[i][4] = 1;
+
+                }
+
+
+            }
+            //System.out.println(MaxElements[i][0] +" "+ MaxElements[i][1] +" "+ MaxElements[i][2] + " " + MaxElements[i][3] + " " + MaxElements[i][4]);
+            //code i used for debug
+        }
+        System.out.println("Max elements for each row:");
+        if (Mside == 1) {
+            System.out.println("I can`t find max element for mx1 matrix");
+
+        } else {
+            for (int i = 0; i < Nside; i++) {
+                if (MaxElements[i][0] == MaxElements[i][3] && MaxElements[i][4] == 1) {
+                    System.out.printf("In row %1.0f does not exist a max element\n", MaxElements[i][1] + 1);
+                } else {
+                    System.out.printf("%8.2f is max value and his coordinate: (%1.0f, %1.0f)\n", MaxElements[i][0], MaxElements[i][1] + 1, MaxElements[i][2] + 1);
+                    MaxSum += MaxElements[i][0];
+                }
+            }
+            System.out.printf("Sum of elements with max values is: %.2f\n", MaxSum);
+        }
+    }
+}