Лаба4

.gitignore

@@ -1,2 +0,0 @@
-# Project exclude paths
-/out/

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

.idea/modules.xml

@@ -2,7 +2,8 @@
 <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" />
+      <module fileurl="file://$PROJECT_DIR$/lab1.iml" filepath="$PROJECT_DIR$/lab1.iml" />
+      <module fileurl="file://$PROJECT_DIR$/laba3/laba3.iml" filepath="$PROJECT_DIR$/laba3/laba3.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>

laba3/laba3.iml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

laba3/src/Main.java

@@ -0,0 +1,93 @@
+import java.util.Scanner;
+import java.util.ArrayList;
+import java.util.Collections;
+public class Main {
+    public static void main(String[] args) {
+        System.out.println("Введіть текст:");
+        Scanner scan = new Scanner(System.in);
+        String inputText = scan.nextLine();
+        StringBuilder text = new StringBuilder(inputText);
+        StringBuilder suz = new StringBuilder();
+        while (true){
+            if(text.isEmpty()){
+                break;
+            }
+            int index1 = text.indexOf(".");
+            int index2 = text.indexOf("!");
+
+            int index3 = text.indexOf("?");
+
+            int index4 = text.indexOf("...");
+
+            int[] array1= {index1, index2, index3, index4};
+            ArrayList<Integer> list = new ArrayList<Integer>();
+            for (int i = 0; i < array1.length; i++) {
+                if (array1[i] >= 0) {
+                    list.add(array1[i]);
+                }
+            }
+            int min = Collections.min(list);
+            String rechennya1 = text.substring(0, min);
+            System.out.println(rechennya1);
+            if (rechennya1.contains(" ")){
+                StringBuilder rechennya = new StringBuilder(rechennya1);
+                String firstword1;
+                String secondword1 = text.substring(rechennya.lastIndexOf(" ")+1, rechennya.length());
+                String secondword2;
+                secondword2 = secondword1.substring(0, 1).toUpperCase()+secondword1.substring(1, secondword1.length());
+                StringBuilder secondword = new StringBuilder(secondword2);
+                if(rechennya.charAt(rechennya.indexOf(" ")-1)==','){
+                    firstword1 = text.substring(0, rechennya.indexOf(" ")-1);
+                    secondword.append(",");
+                }
+                else {
+                    firstword1 = text.substring(0, rechennya.indexOf(" "));
+                }
+
+                String firstword2 = firstword1.substring(0, 1).toLowerCase()+firstword1.substring(1, firstword1.length());
+                StringBuilder firstword = new StringBuilder(firstword2);
+
+
+                firstword.insert(0, " ");
+                rechennya.delete(0, rechennya.indexOf(" "));
+                rechennya.insert(0, secondword);
+                rechennya.delete(rechennya.lastIndexOf(" "), rechennya.length());
+                rechennya.append(firstword);
+                if ((index1==index4)&&(index1==min)){
+                    rechennya.append(text.substring(min, min+3));
+                    rechennya.append(" ");
+                    text.delete(0, min+4);
+                }
+                else {
+                    rechennya.append(text.substring(min, min+1));
+                    rechennya.append(" ");
+                    text.delete(0, min+2);
+                }
+                suz.append(rechennya);
+            }
+            else {
+                StringBuilder rechennya = new StringBuilder(rechennya1);
+                if ((index1==index4)&&(index1==min)){
+                    rechennya.append(text.substring(min, min+3));
+                    rechennya.append(" ");
+                    text.delete(0, min+4);
+                }
+                else {
+                    rechennya.append(text.substring(min, min+1));
+                    rechennya.append(" ");
+                    text.delete(0, min+2);
+                }
+                suz.append(rechennya);
+            }
+
+
+
+
+
+
+
+
+        }
+        System.out.println(suz);
+    }
+}

laba4/Cosmetic.java

@@ -0,0 +1,25 @@
+import java.util.Random;
+public class Cosmetic {
+    public int price_in_$;
+    public int health_damage_from1to10;
+    public int attractiveness_from1to10;
+    public int quality_from1to10;
+    public int brightness_from1to10;
+
+    public Cosmetic() {
+        Random random = new Random();
+        this.price_in_$ = random.nextInt(1000) + 1;;
+        this.health_damage_from1to10 = random.nextInt(11);
+        this.attractiveness_from1to10 = random.nextInt(11);
+        this.quality_from1to10 = random.nextInt(11);
+        this.brightness_from1to10 = random.nextInt(11);
+    }
+
+    public Cosmetic(int price_in_$, int health_damage_from1to10, int attractiveness_from1to10, int quality_from1to10, int brightness_from1to10) {
+        this.price_in_$ = price_in_$;
+        this.health_damage_from1to10 = health_damage_from1to10;
+        this.attractiveness_from1to10 = attractiveness_from1to10;
+        this.quality_from1to10 = quality_from1to10;
+        this.brightness_from1to10 = brightness_from1to10;
+    }
+}

laba4/Main.java

@@ -0,0 +1,137 @@
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+
+
+        Scanner scanner = new Scanner(System.in);
+        int quantity = 0;
+        while (true) {
+            System.out.println("Скільки елементів в масиві ви хочете мати?");
+            try {
+                quantity = scanner.nextInt();
+                break;
+            } catch (InputMismatchException e) {
+                System.out.println("Введені символи не є цілим числом, спробуйте ще раз.");
+                scanner.nextLine();
+            }
+        }
+        Cosmetic[] arr = new Cosmetic[quantity];
+
+        for (int i = 0; i < quantity; i++) {
+            while (true) {
+                System.out.println("Бажаєте заповнить об'єкт №" + (i + 1) + " випадковими значеннями?(Введіть так або ні)");
+                String anwser = scanner.next();
+                if (anwser.equalsIgnoreCase("так")) {
+                    arr[i] = new Cosmetic();
+                    break;
+                } else {
+                    if (anwser.equalsIgnoreCase("ні")) {
+                        System.out.println("Добре, задайте дані об'єкта номер" + (i + 1) + ":");
+                        int price = 0;
+
+                            while (true) {
+                                System.out.print("Введіть ціну в долларах: ");
+                                try {
+                                    price = scanner.nextInt();
+                                    break;
+                                } catch (InputMismatchException e) {
+                                    System.out.println("Введені символи не є цілим числом, спробуйте ще раз.");
+                                    scanner.nextLine();
+                                }
+                            }
+
+
+                        int healthDamage = 0;
+                        while (true){
+                            System.out.print("Введіть шкоду здоров'ю по шкалі від 0 до 10: ");
+                            while (true) {
+                                try {
+                                    healthDamage = scanner.nextInt();
+                                    break;
+                                } catch (InputMismatchException e) {
+                                    System.out.println("Введені символи не є цілим числом, спробуйте ще раз:");
+                                    scanner.nextLine();
+                                }
+                            }
+                            if (healthDamage<=10&&healthDamage>=0){
+                                break;
+                            }
+                            else {
+                                System.out.println("Помилка! Число знаходиться не в межах від 1 до 10.");
+                            }
+                        }
+                        int attractiveness = 0;
+                        while (true){
+                            System.out.print("Введіть привабливість по шкалі від 0 до 10: ");
+                            while (true) {
+                                try {
+                                    attractiveness = scanner.nextInt();
+                                    break;
+                                } catch (InputMismatchException e) {
+                                    System.out.println("Введені символи не є цілим числом, спробуйте ще раз:");
+                                    scanner.nextLine();
+                                }
+                            }
+                            if (attractiveness<=10&&attractiveness>=0){
+                                break;
+                            }
+                            else {
+                                System.out.println("Помилка! Число знаходиться не в межах від 1 до 10.");
+                            }
+                        }
+                        int quality = 0;
+                        while (true){
+                            System.out.print("Введіть якість по шкалі від 0 до 10: ");
+                            while (true) {
+                                try {
+                                    quality = scanner.nextInt();
+                                    break;
+                                } catch (InputMismatchException e) {
+                                    System.out.println("Введені символи не є цілим числом, спробуйте ще раз:");
+                                    scanner.nextLine();
+                                }
+                            }
+                            if (quality<=10&&quality>=0){
+                                break;
+                            }
+                            else {
+                                System.out.println("Помилка! Число знаходиться не в межах від 1 до 10.");
+                            }
+                        }
+                        int brightness = 0;
+                        while (true){
+                            System.out.print("Введіть яркість по шкалі від 0 до 10: ");
+                            while (true) {
+                                try {
+                                    quality = scanner.nextInt();
+                                    break;
+                                } catch (InputMismatchException e) {
+                                    System.out.println("Введені символи не є цілим числом, спробуйте ще раз:");
+                                    scanner.nextLine();
+                                }
+                            }
+                            if (brightness<=10&&brightness>=0){
+                                break;
+                            }
+                            else {
+                                System.out.println("Помилка! Число знаходиться не в межах від 1 до 10.");
+                            }
+                        }
+
+                        arr[i] = new Cosmetic(price, healthDamage, attractiveness, quality, brightness);
+                        arr[i] = new Cosmetic();
+                    } else {
+                        System.out.println("Ви ввели не правильне значення");
+                    }
+                }
+            }
+        }
+
+        Cosmetic pomada = new Cosmetic();
+        Cosmetic c2 = new Cosmetic(10, 3, 7, 5, 9);
+        System.out.println(pomada.price_in_$);
+
+    }
+}

src/Lab1.java

@@ -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) ��������� � i = 1, 2) ���� � <= 3, 3) �������� 䳿 � �� �����,
-            System.out.println(i);     // 4) �������������� � �� 1, 5) ����������� �� ����� 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);
-//        }
-    }
-}

src/Lab2.java

@@ -1,26 +0,0 @@
-public class Lab2 {
-    public static void main(String[] args) {
-        int[] array = {1, 2, 3};
-        /*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}
-        };
-    }
-}

src/Main.java

@@ -1,42 +1,60 @@
+import java.util.Scanner;
+import java.util.InputMismatchException;
+
 public class Main {
     public static void main(String[] args) {
-        System.out.println(args[2]);
+        Scanner scan = new Scanner(System.in);
-        System.out.println("Hello world!");
+        System.out.println("Введіть значення n:");
-//        System.out.println(1);
+        double n = 0;
-
+        try {
-        int a = 1;
+            n = scan.nextDouble();
-        int b = 2;
+        } catch (InputMismatchException e) {
-        int c = 1;
+            System.out.println("Число введене не вірно");
-        int d = 1;
+            System.exit(0);
-
+        }
-        System.out.println(2&1);
+        System.out.println("Введіть значення m:");
-        System.out.println(2|1);
+        double m = 0;
-        int aa = 2;
+        try {
-
+            m = scan.nextDouble();
-        /*if (aa) {
+        } catch (InputMismatchException e) {
-
+            System.out.println("Число введене не вірно");
-        }*/
+            System.exit(0);
-
-//        System.out.println("a"&"b");
-        System.out.println('a'&'b');
-
-        if ((a > b) & MyBooleanMethod()) {
-            System.out.println("?????????????????????????");
         }
 
+        System.out.println("Введіть значення a:");
+        double a = 0;
+        try {
+            a = scan.nextDouble();
+        } catch (InputMismatchException e) {
+            System.out.println("Число введене не вірно");
+            System.exit(0);
+        }
+        System.out.println("Введіть значення b:");
+        double b = 0;
+        try {
+            b = scan.nextDouble();
+        } catch (InputMismatchException e) {
+            System.out.println("Число введене не вірно");
+            System.exit(0);
+        }
+        if (a > n) {
+            System.out.println("Значення n має бути більшим або рівним  a");
+            System.exit(0);
+        }
+        if (b > m) {
+            System.out.println("Значення m має бути більшим або рівним  b");
+            System.exit(0);
+        }
+        double s1 = 0;
+        double s2 = 0;
 
-    }
+        for (double i = a; i <= n; i++) {
-
+            for (double j = b; j <= m; j++){
-    static boolean MyBooleanMethod() {
+                // оскільки C дорівнює 0, то можна скоротити i
-        System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
+                s1=s1+(1/j);
-        return true;
+            }
-    }
+            s2=s2+s1;
-
+        }
-    void myFunction() {
+        System.out.println("Результат:" + s2);
-
-    }
-
-    int myFunction2() {
-        return 1;
     }
 }

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/encapsulationInheritancePolymorphism/inheritance/ElectricEngine.java

@@ -1,9 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class ElectricEngine extends Engine {
-    private String batteryType;
-
-    /*private class Engine {
-        private int power;
-    }*/
-}

src/encapsulationInheritancePolymorphism/inheritance/Engine.java

@@ -1,5 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class Engine {
-    private int power;
-}

src/encapsulationInheritancePolymorphism/inheritance/FuelEngine.java

@@ -1,5 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class FuelEngine extends Engine {
-    private String fuelType;
-}

src/encapsulationInheritancePolymorphism/inheritance/Main.java

@@ -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();
-    }
-}

src/encapsulationInheritancePolymorphism/polymorphism/ElectricEngine.java

@@ -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;
-    }*/
-}

src/encapsulationInheritancePolymorphism/polymorphism/Engine.java

@@ -1,9 +0,0 @@
-package encapsulationInheritancePolymorphism.polymorphism;
-
-public class Engine {
-    private int power;
-
-    public int getPower() {
-        return power;
-    }
-}

src/encapsulationInheritancePolymorphism/polymorphism/FuelEngine.java

@@ -1,10 +0,0 @@
-package encapsulationInheritancePolymorphism.polymorphism;
-
-public class FuelEngine extends Engine {
-    private String fuelType;
-
-    @Override
-    public int getPower() {
-        return 50;
-    }
-}

src/encapsulationInheritancePolymorphism/polymorphism/Main.java

@@ -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);
-    }
-}

src/encapsulationInheritancePolymorphism/polymorphism/enhanced/ElectricEngine.java

@@ -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;
-    }*/
-}

src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Engine.java

@@ -1,9 +0,0 @@
-package encapsulationInheritancePolymorphism.polymorphism.enhanced;
-
-public class Engine {
-    private int power = 100;
-
-    public int getPower() {
-        return power;
-    }
-}

src/encapsulationInheritancePolymorphism/polymorphism/enhanced/FuelEngine.java

@@ -1,10 +0,0 @@
-package encapsulationInheritancePolymorphism.polymorphism.enhanced;
-
-public class FuelEngine extends Engine {
-    private String fuelType;
-
-    /*public int getPower() {
-        return 50;
-    }*/
-
-}

src/encapsulationInheritancePolymorphism/polymorphism/enhanced/Main.java

@@ -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());
-        }*/
-    }
-}

src/encapsulationInheritancePolymorphism/polymorphism/overload/MyClassForOverloadExample.java

@@ -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);
-    }
-}

src/lab2/Main.java

@@ -0,0 +1,62 @@
+package lab2;
+
+import java.util.InputMismatchException;
+import java.util.Scanner;
+
+public class Main {
+    public static void main(String[] args) {
+        Scanner scan = new Scanner(System.in);
+        System.out.println("Введіть значення n:");
+        double n = 0;
+        try {
+            n = scan.nextDouble();
+        } catch (InputMismatchException e) {
+            System.out.println("Число введене не вірно");
+            System.exit(0);
+        }
+        System.out.println("Введіть значення m:");
+        double m = 0;
+        try {
+            m = scan.nextDouble();
+        } catch (InputMismatchException e) {
+            System.out.println("Число введене не вірно");
+            System.exit(0);
+        }
+
+        System.out.println("Введіть значення a:");
+        double a = 0;
+        try {
+            a = scan.nextDouble();
+        } catch (InputMismatchException e) {
+            System.out.println("Число введене не вірно");
+            System.exit(0);
+        }
+        System.out.println("Введіть значення b:");
+        double b = 0;
+        try {
+            b = scan.nextDouble();
+        } catch (InputMismatchException e) {
+            System.out.println("Число введене не вірно");
+            System.exit(0);
+        }
+        if (a > n) {
+            System.out.println("Значення n має бути більшим або рівним  a");
+            System.exit(0);
+        }
+        if (b > m) {
+            System.out.println("Значення m має бути більшим або рівним  b");
+            System.exit(0);
+        }
+        double s1 = 0;
+        double s2 = 0;
+
+        for (double i = a; i <= n; i++) {
+            for (double j = b; j <= m; j++){
+                // оскільки C дорівнює 0, то можна скоротити i
+                s1=s1+(1/j);
+            }
+            s2=s2+s1;
+        }
+        System.out.println("Результат:" + s2);
+    }
+}

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);
-    }
-}