lab6

.gitignore

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+# Project exclude paths
+/out/
+# Auto detect text files and perform LF normalization
+* text=auto

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/OOP_IO-2x_2023.iml

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+<?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://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/misc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/OOP_IO-2x_2023.iml" filepath="$PROJECT_DIR$/.idea/OOP_IO-2x_2023.iml" />
+      <module fileurl="file://$PROJECT_DIR$/lab1/lab1.iml" filepath="$PROJECT_DIR$/lab1/lab1.iml" />
+      <module fileurl="file://$PROJECT_DIR$/lab2/lab2.iml" filepath="$PROJECT_DIR$/lab2/lab2.iml" />
+      <module fileurl="file://$PROJECT_DIR$/lab3/lab3.iml" filepath="$PROJECT_DIR$/lab3/lab3.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

Lab3/Lab2/Lab2/Program.cs

@@ -1,40 +0,0 @@
-using System;
-
-public class Laba2
-{
-    public static void Main(string[] args)
-    {
-        const int a = 2;
-        int[,] b = new[,] //створення матриці;
-        {
-             { 1, 2, 8 },
-             { 3, 4, 5 },
-             { 6, 7, 9 }
-        };
-        int rows = b.GetLength(0); //отримання довжини рядків
-        int cols = b.GetLength(1); //отримання довжини стовпців
-       for (int i = 0; i < rows; i++) 
-        {
-            int Avg = 0;
-            for (int j = 0; j < cols; j++)
-            {
-                Console.Write(b[i, j] + " ");      // перебір матриці для обчислення середнього значення рядка
-                Avg += b[i, j];
-            }
-            Avg = Avg / cols;
-            Console.Write($"-average of row is:{Avg};"  );
-            Console.WriteLine(" ");
-          
-        }
-       Console.WriteLine(" ");
-       for (int x = 0; x < rows; x++)
-       {
-           for (int y = 0; y < cols; y++)
-           {
-               Console.Write(b[x, y] * a + " "); //виведення матриці, помноженої на константу
-
-           }
-           Console.WriteLine(" ");
-       }
-    }
-}

Lab3/Lab3/Lab3/Program.cs

@@ -1,33 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-class Lab3
-{
-    public static void Main(string[] args)
-    {
-        string text = "Вухатий великий синiй слон. Яблуко в саду. Зелене яблуко? Груша. Жовта слива висить у саду!";
-        Console.WriteLine(text );
-
-        // розділяємо текст на окремі речення
-        string[] textSplit = text.Split(new[] { '.', '?', '!' }, StringSplitOptions.RemoveEmptyEntries);
-
-        // обчислюємо кількість слів у кожному реченні та створюємо масив з кількістю слів у реченнях
-        int[] amountOfWords = new int[textSplit.Length];
-        for (int i = 0; i < textSplit.Length; i++)
-        {
-            string[] words = textSplit[i].Trim().Split(' ', StringSplitOptions.RemoveEmptyEntries);
-            amountOfWords[i] = words.Length;
-        }
-
-        // створюємо Dictionary, де ключ - кількість слів у реченні, а значення - речення
-        Dictionary<string, int> sentenceDictionary = new Dictionary<string, int>();
-        for (int i = 0; i < textSplit.Length; i++)
-        {
-            sentenceDictionary.Add(textSplit[i],amountOfWords[i] );
-        }
-        var sortedDict = sentenceDictionary.OrderBy(x => x.Value).ToDictionary(x => x.Key, x => x.Value);
-
-
-        Console.WriteLine(String.Join(";", sortedDict.Keys));
-    }
-}

Lab3/Lab4/Lab4/Program.cs

@@ -1,86 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace ConsoleApp1
-{
-    class Furniture
-    {
-        // 5 полів
-        private string type;
-        private string material;
-        private string color;
-        private int price;
-        private int amount;
-
-        // конструктор з атрибутами
-        public Furniture(string type, string material, string color, int price, int amount)
-        {
-            this.type = type;
-            this.material = material;
-            this.color = color;
-            this.price = price;
-            this.amount = amount;
-        }
-
-        // методи для повернення атрибутів
-        public string getType()
-        {
-            return type;
-        }
-
-        public string getMaterial()
-        {
-            return material;
-        }
-
-        public string getColor()
-        {
-            return color;
-        }
-
-        public int getPrice()
-        {
-            return price;
-        }
-
-        public int getAmount()
-        {
-            return amount;
-        }
-
-        public static void Main(string[] args)
-        {
-
-            Furniture[] furnitureArr = {
-                new Furniture("шафа", "дерево", "коричневий", 5000, 2),
-                new Furniture("стiл", "скло", "чорний", 3000, 3),
-                new Furniture("лiжко", "метал", "срiблястий", 8000, 1),
-                new Furniture("диван", "тканина", "сiрий", 10000, 2),
-                new Furniture("стiлець", "метал", "синій", 500, 4)
-            };
-
-
-            // Сортування масиву за ціною за зростанням
-            var sorted = furnitureArr.OrderBy(ob => ob.price).ToArray();
-            // Вивести відсортований масив
-            Console.WriteLine("Вiдсортований за цiною (за зростанням):");
-            foreach (Furniture f in sorted)
-            {
-                Console.WriteLine(f.getType() + " - " + f.getPrice() + " грн;");
-            }
-            Console.WriteLine(' ');
-            // Сортування масиву за кількістю за спаданням
-            var sortedReversery = furnitureArr.OrderBy(ob => ob.amount).ToArray().Reverse();
-            // Вивести відсортований масив
-            Console.WriteLine("Вiдсортований за кiлькiстю (за спаданням):");
-            foreach (Furniture f in sortedReversery)
-            {
-                Console.Write($"{f.getType()} - {f.getAmount()}; " );
-            }
-            Console.WriteLine(' ');
-        }
-    }
-}

Lab6/Lab6/Program.cs

@@ -1,121 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Formats.Asn1;
-
-// Визначити ієрархію рухомого складу залізничного транспорту.Створити пасажирський потяг.Порахувати загальну чисельність пасажирів і багажу в потязі.
-// Провести сортування вагонів потягу за рівнем комфортності. Знайти вагон в потязі, що відповідає заданому діапазону кількості пасажирів.
-
-
-class Lab6
-{
-    public static void Main(string[] args)
-    {
-        List<Wagons> wagons = new List<Wagons>(); //створюємо лист-список вагонів;                      
-
-        // Додаємо вагони за допомогою класу Wagons;
-        wagons.Add(new Wagons.PassengerWagons("Пасажирський", 100, 100, "Вищий", 10));
-        wagons.Add(new Wagons.PassengerWagons("Пасажирський", 50, 48, "Середнiй", 20));
-        wagons.Add(new Wagons.PassengerWagons("Пасажирський", 20, 15, "Низький", 30));
-        wagons.Add(new Wagons.FreightWagons("Вантажний", 10, 10));
-        wagons.Add(new Wagons.FreightWagons("Вантажний", 20, 20));
-        wagons.Add(new Wagons.FreightWagons("Вантажний", 30, 30));
-
-        
-        Console.WriteLine("Усi вагони:");  //відображення всіх вагонів;
-
-        foreach (Wagons wagon in wagons)
-        {
-            Console.WriteLine(wagon.GetType() + ": " + wagon.GetPassengers() + " пасажирiв(-а), " + wagon.GetBaggage() +
-                              " валiз/контейнерiв, " + wagon.GetComfort() + ", " + wagon.GetAmount() + ";");
-        }
-
-        int amountOfPassangers = 0;  //обчислення загальної кількості пасажирів;
-        foreach (Wagons p in wagons)
-        {
-            amountOfPassangers += p.GetPassengers();
-        }
-
-        var sorted = wagons.OrderByDescending(ob => ob.GetComfort()).ToArray(); //сортування вагонів за рівнем комфорту;
-        
-        Console.WriteLine("\nКiлькiсть пасажирiв у пасажирському вагонi: " + amountOfPassangers + ";");
-        Console.WriteLine("\nВеддiть мiнiмальну кiлькiсть пасажирiв: ");
-        var minPassangers = Convert.ToInt32(Console.ReadLine());
-        Console.WriteLine("Веддiть максимальну кiлькiсть пасажирiв: ");
-        var maxPassangers = Convert.ToInt32(Console.ReadLine());
-        foreach (Wagons t in wagons)
-        {
-            if (t.GetPassengers() != null && t.GetPassengers() >= minPassangers && t.GetPassengers() <= maxPassangers) //пошук вагону за кількістю пасажирів;
-            {
-                Console.Write(t.GetType() + " - " + t.GetPassengers()+"; ");
-            }
-            else
-            {
-                throw (new InvalidOperationException("Немає такого вагону;"));
-                
-            }
-
-        }
-
-    }
-
-    class Wagons
-    {
-        private string type; // тип вагону
-        private int passengers; // кількість пасажирів
-        private int baggage; // кількість багажу в тоннах
-        private string comfort; // рейтиг комфорту вагону
-        private int amount; // кількість вагонів
-
-        public Wagons(string type, int? passengers, int? baggage, string comfort, int amount)   //конструктор вагонів;
-        {
-            this.type = type;
-            this.passengers = Convert.ToInt32(passengers);
-            this.baggage = Convert.ToInt32(baggage);
-            this.comfort = comfort;
-            this.amount = amount;
-        }
-
-        public string GetType()         //геттери атрибутів класу;
-        {
-            return type;
-        }
-
-        public int GetPassengers()
-        {
-            return passengers;
-        }
-
-        public int? GetBaggage()
-        {
-            return baggage;
-        }
-
-        public string GetComfort()
-        {
-            return comfort;
-        }
-
-        public int GetAmount()
-        {
-            return amount;
-        }
-
-        // підклас Пасажирський вагон який наслідує батьківський клас Вагони;
-        public class PassengerWagons : Wagons
-        {
-            public PassengerWagons(string type, int passengers, int baggage, string comfort, int amount) : base(type,
-                passengers, baggage, comfort, amount)
-            {
-            }
-        }
-
-        // підклас Вантажний вагон який наслідує батьківський клас Вагони;
-        public class FreightWagons : Wagons
-        {
-            public FreightWagons(string type, int baggage, int amount) : base(type, null, baggage, null, amount)
-            {
-            }
-        }
-    }
-}

READ ME

@@ -1 +0,0 @@
-Files with lab2,3,4 located in in Lab3. My excuses for confusing you

README.md

@@ -0,0 +1,2 @@
+# Laboratory OOP - IO-2x - 2023
+Antonenko Violetta

lab1/FunctionCalculator/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab1/FunctionCalculator/.idea/.name

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

lab1/FunctionCalculator/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab1/FunctionCalculator/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?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/FunctionCalculator.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>

lab1/FunctionCalculator/src/Main.java

@@ -0,0 +1,51 @@
+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);
+        }
+    }
+}

lab1/lab1.iml

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+<?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://$MODULE_DIR$/FunctionCalculator/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

lab2/Matrix/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab2/Matrix/.idea/.name

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

lab2/Matrix/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab2/Matrix/.idea/modules.xml

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

lab2/Matrix/Matrix.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>

lab2/Matrix/src/Main.java

@@ -0,0 +1,58 @@
+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));
+        }
+    }
+}

lab2/lab2.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://$MODULE_DIR$/Matrix/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

lab3/OperationsStrings/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab3/OperationsStrings/.idea/.name

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

lab3/OperationsStrings/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab3/OperationsStrings/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?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

@@ -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>

lab3/OperationsStrings/src/Main.java

@@ -0,0 +1,25 @@
+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());
+        }
+    }
+}

lab3/lab3.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://$MODULE_DIR$/OperationsStrings/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

lab4/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab4/.idea/lab4.iml

@@ -0,0 +1,9 @@
+<?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://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

lab4/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/lab4.iml" filepath="$PROJECT_DIR$/.idea/lab4.iml" />
+    </modules>
+  </component>
+</project>

lab4/.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>

lab4/EducationalInstitution/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab4/EducationalInstitution/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab4/EducationalInstitution/.idea/modules.xml

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

lab4/EducationalInstitution/EducationalInstitution.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>

lab4/untitled/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab4/untitled/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab4/untitled/.idea/modules.xml

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

lab4/untitled/src/Main.java

@@ -0,0 +1,56 @@
+import java.util.*;
+
+public class Main {
+    public static void main(String[] args) {
+        List<SeaShip> ships = createList();
+
+        printList(ships);
+
+        ships = sortList(ships);
+
+        System.out.println("==============================");
+
+        printList(ships);
+    }
+
+    private static ArrayList<SeaShip> createList() {
+        ArrayList<SeaShip> ships = new ArrayList<>();
+        Random random = new Random();
+
+        for (int i = 0; i < 10; i++)
+            ships.add(new SeaShip("name" + (i + 1), "class" + (i + 1), "type" + (i + 1),
+                    random.nextInt(10000) + 1000, random.nextDouble() * 100 + 20,
+                    random.nextInt(10000) + 1000, random.nextDouble() * 100));
+
+//        ships.add(new SeaShip("nameA", "classA", "typeA",
+//                random.nextInt(10000) + 1000, 100d,
+//                random.nextInt(10000) + 1000, 120d));
+//        ships.add(new SeaShip("nameA", "classA", "typeA",
+//                random.nextInt(10000) + 1000, 100d,
+//                random.nextInt(10000) + 1000, 130d));
+//        ships.add(new SeaShip("nameA", "classA", "typeA",
+//                random.nextInt(10000) + 1000, 100d,
+//                random.nextInt(10000) + 1000, 140d));
+//        ships.add(new SeaShip("nameA", "classA", "typeA",
+//                random.nextInt(10000) + 1000, 120d,
+//                random.nextInt(10000) + 1000, 120d));
+//        ships.add(new SeaShip("nameA", "classA", "typeA",
+//                random.nextInt(10000) + 1000, 120d,
+//                random.nextInt(10000) + 1000, 100d));
+
+        return ships;
+    }
+
+    private static List<SeaShip> sortList(List<SeaShip> list) {
+        Comparator<SeaShip> comparator = Comparator.comparing(SeaShip::getLength).reversed()
+                .thenComparing(SeaShip::getMaxSpeed);
+
+        list.sort(comparator);
+
+        return list;
+    }
+
+    private static void printList(List<SeaShip> list) {
+        list.forEach(System.out::println);
+    }
+}

lab4/untitled/src/SeaShip.java

@@ -0,0 +1,86 @@
+
+public class SeaShip {
+    private String name;
+    private String shipClass;
+    private String type;
+    private Integer weight;
+    private Double length;
+    private Integer power;
+    private Double maxSpeed;
+
+    public SeaShip(String name, String shipClass, String type,
+                   Integer weight, Double length, Integer power, Double maxSpeed) {
+        this.name = name;
+        this.shipClass = shipClass;
+        this.type = type;
+        this.weight = weight;
+        this.length = length;
+        this.power = power;
+        this.maxSpeed = maxSpeed;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getShipClass() {
+        return shipClass;
+    }
+
+    public void setShipClass(String shipClass) {
+        this.shipClass = shipClass;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public Integer getWeight() {
+        return weight;
+    }
+
+    public void setWeight(Integer weight) {
+        this.weight = weight;
+    }
+
+    public Double getLength() {
+        return length;
+    }
+
+    public void setLength(Double length) {
+        this.length = length;
+    }
+
+    public Integer getPower() {
+        return power;
+    }
+
+    public void setPower(Integer power) {
+        this.power = power;
+    }
+
+    public Double getMaxSpeed() {
+        return maxSpeed;
+    }
+
+    public void setMaxSpeed(Double maxSpeed) {
+        this.maxSpeed = maxSpeed;
+    }
+
+    @Override
+    public String toString() {
+        return "Sea ship '" + name + "', class: " + shipClass + ", type: " + type + ".\n" +
+                "Weight: " + weight + "\n" +
+                "Length: " + length + "\n" +
+                "Engine power: " + power + "\n" +
+                "Max speed: " + maxSpeed + "\n";
+    }
+}

lab4/untitled/untitled.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>

lab5/untitled/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab5/untitled/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab5/untitled/.idea/modules.xml

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

lab5/untitled/src/Main.java

@@ -0,0 +1,166 @@
+import java.util.HashSet;
+
+public class Main {
+
+    public static void main(String[] args) {
+        String inputText = "Раз два три, літо прийди! По ООП сто балів захвати. ім'я запише без апострофу, ех"; //вход даних, текст
+        int targetLength = 3; //змінна, кількість літер в слові
+
+        try {
+            TextProcessor textProcessor = new TextProcessor();
+            HashSet<Word> uniqueWords = textProcessor.findUniqueWordsWithLength(inputText, targetLength);
+            System.out.println("Unique words of length " + targetLength + " in the input text are: " + uniqueWords);// вивод повідомлення, що містить довжину та унікальні слова змінної
+        } catch (Exception e) {
+            System.out.println("An error occurred: " + e.getMessage());//вивиод помилки
+        }
+    }
+}
+
+class Letter {
+    private char value;
+
+    public Letter(char value) {
+        this.value = value;
+    }
+
+    public char getValue() {
+        return value;
+    }
+
+    public void setValue(char value) {
+        this.value = value;
+    }
+}
+
+class Word {
+    private Letter[] letters;
+
+    public Word(Letter[] letters) {
+        this.letters = letters;
+    }
+
+    public Letter[] getLetters() {
+        return letters;
+    }
+
+    public void setLetters(Letter[] letters) {
+        this.letters = letters;
+    }
+
+    public int getLength() {
+        return letters.length;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (Letter letter : letters) {
+            sb.append(letter.getValue());
+        }
+        return sb.toString();
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null || getClass() != obj.getClass()) {
+            return false;
+        }
+        Word other = (Word) obj;
+        return this.toString().equals(other.toString());
+    }
+
+    @Override
+    public int hashCode() {
+        return this.toString().hashCode();
+    }
+}
+
+class Sentence {
+    private Word[] words;
+    private String punctuation;
+
+    public Sentence(Word[] words, String punctuation) {
+        this.words = words;
+        this.punctuation = punctuation;
+    }
+
+    public Word[] getWords() {
+        return words;
+    }
+
+    public void setWords(Word[] words) {
+        this.words = words;
+    }
+
+    public String getPunctuation() {
+        return punctuation;
+    }
+
+    public void setPunctuation(String punctuation) {
+        this.punctuation = punctuation;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (Word word : words) {
+            sb.append(word.toString()).append(" ");
+        }
+        sb.append(punctuation);
+        return sb.toString();
+    }
+}
+
+class Text {
+    private Sentence[] sentences;
+
+    public Text(Sentence[] sentences) {
+        this.sentences = sentences;
+    }
+
+    public Sentence[] getSentences() {
+        return sentences;
+    }
+
+    public void setSentences(Sentence[] sentences) {
+        this.sentences = sentences;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (Sentence sentence : sentences) {
+            sb.append(sentence.toString());
+        }
+        return sb.toString();
+    }
+}
+
+class TextProcessor {
+    public HashSet<Word> findUniqueWordsWithLength(String inputText, int targetLength) {
+        HashSet<Word> uniqueWords = new HashSet<>();
+        String[] sentenceStrings = inputText.split("[?]");
+        for (String sentenceString : sentenceStrings) {
+            String[] wordStrings = sentenceString.trim().split("\\s+");
+            for (String wordString : wordStrings) {
+                wordString = wordString.replaceAll("[\\t\\s]+", " "); // Заміна послідовності табуляцій та пробілів одним пробілом
+                wordString = wordString.replaceAll("[^\\p{L}\\s]", ""); // Вилучення розділових знаків
+                wordString = wordString.toLowerCase(); // Перетворення на нижній регістр
+                wordString = wordString.replace("’", ""); // Вилучення апострофів
+
+                if (wordString.length() == targetLength) {
+                    Letter[] letters = new Letter[wordString.length()];
+                    for (int i = 0; i < wordString.length(); i++) {
+                        letters[i] = new Letter(wordString.charAt(i));
+                    }
+                    Word word = new Word(letters);
+                    uniqueWords.add(word);
+                }
+            }
+        }
+        return uniqueWords;
+    }
+}

lab5/untitled/untitled.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>

lab6/untitled/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

lab6/untitled/.idea/misc.xml

@@ -0,0 +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">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>

lab6/untitled/.idea/modules.xml

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

lab6/untitled/src/Main.java

@@ -0,0 +1,159 @@
+import java.util.Arrays;
+import java.util.Comparator;
+
+/**
+ * Клас, що описує базовий рухомий склад залізничного транспорту.
+ */
+class RollingStock {
+    private int number;
+
+    public RollingStock(int number) {
+        this.number = number;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+}
+
+/**
+ * Клас, що описує пасажирський вагон.
+ */
+class PassengerCarriage extends RollingStock {
+    private int passengerCount;
+    private int comfortLevel;
+
+    public PassengerCarriage(int number, int passengerCount, int comfortLevel) {
+        super(number);
+        this.passengerCount = passengerCount;
+        this.comfortLevel = comfortLevel;
+    }
+
+    public int getPassengerCount() {
+        return passengerCount;
+    }
+
+    public int getComfortLevel() {
+        return comfortLevel;
+    }
+}
+
+/**
+ * Клас, що описує вагон для багажу.
+ */
+class BaggageCarriage extends RollingStock {
+    private int baggageCount;
+
+    public BaggageCarriage(int number, int baggageCount) {
+        super(number);
+        this.baggageCount = baggageCount;
+    }
+
+    public int getBaggageCount() {
+        return baggageCount;
+    }
+}
+
+/**
+ * Клас, що описує пасажирський потяг.
+ */
+class PassengerTrain {
+    private RollingStock[] rollingStock;
+
+    public PassengerTrain(RollingStock[] rollingStock) {
+        this.rollingStock = rollingStock;
+    }
+
+    public int getTotalPassengerCount() {
+        int totalPassengerCount = 0;
+        for (RollingStock stock : rollingStock) {
+            if (stock instanceof PassengerCarriage) {
+                PassengerCarriage carriage = (PassengerCarriage) stock;
+                totalPassengerCount += carriage.getPassengerCount();
+            }
+        }
+        return totalPassengerCount;
+    }
+
+    public int getTotalBaggageCount() {
+        int totalBaggageCount = 0;
+        for (RollingStock stock : rollingStock) {
+            if (stock instanceof BaggageCarriage) {
+                BaggageCarriage carriage = (BaggageCarriage) stock;
+                totalBaggageCount += carriage.getBaggageCount();
+            }
+        }
+        return totalBaggageCount;
+    }
+
+    public void sortByComfortLevel() {
+        Arrays.sort(rollingStock, new Comparator<RollingStock>() {
+            @Override
+            public int compare(RollingStock o1, RollingStock o2) {
+                if (o1 instanceof PassengerCarriage && o2 instanceof PassengerCarriage) {
+                    PassengerCarriage carriage1 = (PassengerCarriage) o1;
+                    PassengerCarriage carriage2 = (PassengerCarriage) o2;
+                    return carriage1.getComfortLevel() - carriage2.getComfortLevel();
+                }
+                return 0;
+            }
+        });
+    }
+
+    public RollingStock findCarriageByPassengerCountRange(int minPassengerCount, int maxPassengerCount) {
+        for (RollingStock stock : rollingStock) {
+            if (stock instanceof PassengerCarriage) {
+                PassengerCarriage carriage = (PassengerCarriage) stock;
+                if (carriage.getPassengerCount() >= minPassengerCount && carriage.getPassengerCount() <= maxPassengerCount) {
+                    return carriage;
+                }
+            }
+        }
+        return null;
+    }
+}
+
+/**
+ * Головний клас програми.
+ */
+public class Main {
+    public static void main(String[] args) {
+        // Створення вагонів потягу
+        RollingStock[] rollingStock = new RollingStock[5];
+        rollingStock[0] = new PassengerCarriage(1, 40, 3);
+        rollingStock[1] = new PassengerCarriage(2, 30, 2);
+        rollingStock[2] = new BaggageCarriage(3, 50);
+        rollingStock[3] = new PassengerCarriage(4, 20, 1);
+        rollingStock[4] = new PassengerCarriage(5, 35, 2);
+
+        // Створення пасажирського потягу
+        PassengerTrain train = new PassengerTrain(rollingStock);
+
+        // Розрахунок загальної кількості пасажирів та багажу в потязі
+        int totalPassengerCount = train.getTotalPassengerCount();
+        int totalBaggageCount = train.getTotalBaggageCount();
+        System.out.println("Total passenger count: " + totalPassengerCount);
+        System.out.println("Total baggage count: " + totalBaggageCount);
+
+        // Сортування вагонів за рівнем комфортності
+        train.sortByComfortLevel();
+        System.out.println("Sorted carriages by comfort level:");
+
+        for (RollingStock stock : rollingStock) {
+            if (stock instanceof PassengerCarriage) {
+                PassengerCarriage carriage = (PassengerCarriage) stock;
+                System.out.println("Carriage " + carriage.getNumber() + ", Comfort Level: " + carriage.getComfortLevel());
+            }
+        }
+
+        // Знаходження вагона з пасажирськими місцями в заданому діапазоні кількості пасажирів
+        int minPassengerCount = 25;
+        int maxPassengerCount = 40;
+        RollingStock foundCarriage = train.findCarriageByPassengerCountRange(minPassengerCount, maxPassengerCount);
+        if (foundCarriage != null) {
+            System.out.println("Found carriage with passenger count in range (" + minPassengerCount + "-" + maxPassengerCount + "): " + foundCarriage.getNumber());
+        } else {
+            System.out.println("No carriage found with passenger count in range (" + minPassengerCount + "-" + maxPassengerCount + ")");
+        }
+    }
+}

lab6/untitled/untitled.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>

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) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> i = 1, 2) <20><><EFBFBD><EFBFBD> <20> <= 3, 3) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 䳿 <20> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>,
-            System.out.println(i);     // 4) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><> 1, 5) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> 2
-//            s = s + i;
-            s += i;
-        }*/
-        /*int[] array = new int[2];
-        for (int i = 0; i < array.length; i++) {
-
-        }*/
-        final int A = -3;
-        final int B = 0;
-        final int N = 2;
-        final int M = 2;
-
-        final int C = 1;
-//        boolean wasDivisionByZero = false;
-//        todo char
-//        todo[clear code] think about avoiding brackets
-        if ((A <= -C && -C <= N) || (B <= 0 && 0 <= M)) {
-            System.out.println("Division by zero!");
-            return;
-        }
-/*myLabel:*/for (int i = A; i <= N /*&& !wasDivisionByZero*/; i++) {
-            /*if (i + C == 0) { // todo optimize
-                System.out.println("Division by zero!");
-                wasDivisionByZero = true;
-                break; //todo flag vs return;
-            }*/
-            for (int j = B; j <= M; j++) {
-                /*if (j == 0) {
-                    System.out.println("Division by zero!");
-                    return;
-//                    wasDivisionByZero = true;
-//                    break myLabel;
-                }*/
-                s += (double) (i / j) / (i + C);
-            }
-        }
-//        if (!wasDivisionByZero) {
-            System.out.println("s = " + s);
-//        }
-    }
-}

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 +0,0 @@
-public class Main {
-    public static void main(String[] args) {
-        System.out.println(args[2]);
-        System.out.println("Hello world!");
-//        System.out.println(1);
-
-        int a = 1;
-        int b = 2;
-        int c = 1;
-        int d = 1;
-
-        System.out.println(2&1);
-        System.out.println(2|1);
-        int aa = 2;
-
-        /*if (aa) {
-
-        }*/
-
-//        System.out.println("a"&"b");
-        System.out.println('a'&'b');
-
-        if ((a > b) & MyBooleanMethod()) {
-            System.out.println("?????????????????????????");
-        }
-
-
-    }
-
-    static boolean MyBooleanMethod() {
-        System.out.println("!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!");
-        return true;
-    }
-
-    void myFunction() {
-
-    }
-
-    int myFunction2() {
-        return 1;
-    }
-}

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;
-    }*/
-
-}