Merge branch 'ІО-24/25-Севастьянов-Максим-Євгенович' of github.com:ASDjonok/OOP_IO-2x_2023 into ІО-24/25-Севастьянов-Максим-Євгенович

Lab2: remove duplicate string to fix calculations

.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_X" default="true" project-jdk-name="openjdk-20" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

Lab5

@@ -1,184 +0,0 @@
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Scanner;
-
-class Letter {
-    private char value;
-
-    public Letter(char value) {
-        this.value = value;
-    }
-
-    public char getValue() {
-        return value;
-    }
-}
-
-class Word {
-    private List<Letter> letters = new ArrayList<>();
-
-    public Word(String input) {
-        for (char c : input.toCharArray()) {
-            letters.add(new Letter(c));
-        }
-    }
-
-    public List<Letter> getLetters() {
-        return letters;
-    }
-
-    public String toString() {
-        StringBuilder sb = new StringBuilder();
-        for (Letter letter : letters) {
-            sb.append(letter.getValue());
-        }
-        return sb.toString();
-    }
-}
-
-class PunctuationMark {
-    private char value;
-
-    public PunctuationMark(char value) {
-        this.value = value;
-    }
-
-    public char getValue() {
-        return value;
-    }
-}
-
-class Sentence {
-    private List<Object> elements = new ArrayList<>();
-
-    public Sentence(String input) {
-        StringBuilder sb = new StringBuilder();
-        for (char c : input.toCharArray()) {
-            if (Character.isLetterOrDigit(c)) {
-                sb.append(c);
-            } else {
-                if (sb.length() > 0) {
-                    elements.add(new Word(sb.toString()));
-                    sb.setLength(0);
-                }
-                elements.add(new PunctuationMark(c));
-            }
-        }
-        if (sb.length() > 0) {
-            elements.add(new Word(sb.toString()));
-        }
-    }
-
-    public List<Object> getElements() {
-        return elements;
-    }
-
-    public String toString() {
-        StringBuilder sb = new StringBuilder();
-        for (Object element : elements) {
-            if (element instanceof Word) {
-                sb.append(((Word) element).toString());
-            } else {
-                sb.append(((PunctuationMark) element).getValue());
-            }
-        }
-        return sb.toString();
-    }
-}
-
-class Text {
-    private List<Sentence> sentences = new ArrayList<>();
-
-    public Text(String input) {
-        StringBuilder sb = new StringBuilder();
-        for (char c : input.toCharArray()) {
-            if (c == '.' || c == '?' || c == '!' || c == ',') {
-                sb.append(c);
-                sentences.add(new Sentence(sb.toString()));
-                sb.setLength(0);
-            } else {
-                sb.append(c);
-            }
-        }
-        if (sb.length() > 0) {
-            sentences.add(new Sentence(sb.toString()));
-        }
-    }
-
-    public List<Sentence> getSentences() {
-        return sentences;
-    }
-
-    public String toString() {
-        StringBuilder sb = new StringBuilder();
-        for (Sentence sentence : sentences) {
-            sb.append(sentence.toString());
-        }
-        return sb.toString();
-    }
-}
-
-public class Lab5 {
-    public static void main(String[] args) {
-        int C17 = 2430 % 17;
-        System.out.println("\n---------------------------------------------------------------------------------------------------------------------");
-        System.out.println("  C17 = " + C17 + ", So, the task is:  delete all previous occurrences of the last letter of each word of the specified text.");
-        System.out.println("---------------------------------------------------------------------------------------------------------------------");
-
-        Scanner scanner = new Scanner(System.in);
-        boolean isDone = false;
-        while (!isDone) {
-            System.out.print("\nEnter a string or type 'q' to quit: ");
-            String input = scanner.nextLine().trim();
-            if (input.equals("q")) {
-                System.out.print("\n The work is completed.");
-                isDone = true;
-            } else if (input.isEmpty()) {
-                System.out.println("Error: Input string is empty. Please enter a non-empty string.");
-            } else {
-                try {
-                    StringBuilder sb = new StringBuilder(input);
-                    String[] words = sb.toString().split("\\s+");
-                    for (int i = 0; i < words.length; i++) {
-                        String word = words[i];
-                        char lastChar = word.charAt(word.length() - 1);
-                        if (!Character.isLetterOrDigit(lastChar)) {
-                            int lastLetterIndex = -1;
-                            for (int j = word.length() - 2; j >= 0; j--) {
-                                if (Character.isLetter(word.charAt(j))) {
-                                    lastLetterIndex = j;
-                                    break;
-                                }
-                            }
-                            if (lastLetterIndex != -1) {
-                                char lastLetter = word.charAt(lastLetterIndex);
-                                String newWord = "";
-                                for (int j = 0; j < word.length() - 1; j++) {
-                                    if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
-                                        newWord += word.charAt(j);
-                                    }
-                                }
-                                newWord += lastChar;
-                                words[i] = newWord;
-                            }
-                        } else {
-                            char lastLetter = lastChar;
-                            String newWord = "";
-                            for (int j = 0; j < word.length() - 1; j++) {
-                                if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
-                                    newWord += word.charAt(j);
-                                }
-                            }
-                            newWord += lastLetter;
-                            words[i] = newWord;
-                        }
-                    }
-                    System.out.print("\n Final string: ");
-                    System.out.println(String.join(" ", words));
-                } catch (Exception e) {
-                    System.out.println("An error occurred: " + e.getMessage());
-                }
-            }
-        }
-    }
-}

Lab6

@@ -1,225 +0,0 @@
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Scanner;
-import java.util.Comparator;
-
-class ToyRoom {
-
-    public static void variant() {
-        int C13 = 2430 % 13;
-        System.out.println("\n            ---------------------------------------------------------------------------------------------------------------------");
-        System.out.println("                          C13 = " + C13 + ", So, the task is:  Prepare the toy room for children of different age groups.");
-        System.out.println("            ---------------------------------------------------------------------------------------------------------------------");
-    }
-
-    private List<Toy> toys;
-
-    public ToyRoom() {
-        this.toys = new ArrayList<>();
-    }
-
-    public void addToy(Toy toy) {
-        toys.add(toy);
-    }
-
-    public void displayToys() {
-        System.out.println(" -------------------------------------------------------");
-        System.out.printf(" | %-20s | %-10s | %-15s |\n", "Name", "Price ($)", "Age Group");
-        System.out.println(" |----------------------|------------|-----------------|");
-        for (Toy toy : toys) {
-            System.out.printf(" | %-20s | %-10.2f | %-15s |\n", toy.name, toy.price, toy.ageGroup);
-        }
-        System.out.println(" -------------------------------------------------------");
-    }
-
-    public void sortToys(boolean ascending) {
-        if (ascending) {
-            toys.sort(Comparator.comparingDouble(Toy::getPrice));
-        } else {
-            toys.sort(Comparator.comparingDouble(Toy::getPrice).reversed());
-        }
-    }
-
-    public List<Toy> findToysByPriceRange(double minPrice, double maxPrice) {
-        List<Toy> foundToys = new ArrayList<>();
-        for (Toy toy : toys) {
-            if (toy.getPrice() >= minPrice && toy.getPrice() <= maxPrice) {
-                foundToys.add(toy);
-            }
-        }
-        return foundToys;
-    }
-
-    public void findToysByName(String name) {
-        List<Toy> foundToys = new ArrayList<>();
-        for (Toy toy : toys) {
-            if (toy.name.toLowerCase().contains(name.toLowerCase())) {
-                foundToys.add(toy);
-            }
-        }
-
-        if (!foundToys.isEmpty()) {
-            System.out.println("\n Toys with matching name \"" + name + "\":");
-            System.out.println(" -------------------------------------------------------");
-            System.out.printf(" | %-20s | %-10s | %-15s |\n", "Name", "Price ($)", "Age Group");
-            System.out.println(" |----------------------|------------|-----------------|");
-            for (Toy toy : foundToys) {
-                System.out.printf(" | %-20s | %-10.2f | %-15s |\n", toy.name, toy.price, toy.ageGroup);
-            }
-            System.out.println(" -------------------------------------------------------");
-        } else {
-            System.out.println(" No toys found with a matching name.");
-        }
-    }
-}
-
-
-abstract class Toy {
-    protected String name;
-    protected double price;
-    protected String ageGroup;
-
-    public Toy(String name, double price, String ageGroup) {
-        this.name = name;
-        this.price = price;
-        this.ageGroup = ageGroup;
-
-    }
-
-    public double getPrice() {
-        return price;
-    }
-
-    @Override
-    public String toString() {
-        return name + " - $" + price + ageGroup;
-    }
-}
-
-class Car extends Toy {
-    public Car(String name, double price, String ageGroup) {
-        super(name, price, ageGroup);
-    }
-}
-
-class Doll extends Toy {
-    public Doll(String name, double price, String ageGroup) {
-        super(name, price, ageGroup);
-    }
-}
-
-class Ball extends Toy {
-    public Ball(String name, double price, String ageGroup) {
-        super(name, price, ageGroup);
-    }
-}
-
-class Cube extends Toy {
-    public Cube(String name, double price, String ageGroup) {
-        super(name, price, ageGroup);
-    }
-}
-
-public class Lab6 {
-    public static void main(String[] args) {
-        ToyRoom toyRoom = new ToyRoom();
-        ToyRoom.variant();
-
-        toyRoom.addToy(new Car("Small car 'Mcqueen'", 10.0, "1-3 years"));
-        toyRoom.addToy(new Car("Small Car 'Audi'", 12.0, "1-3 years"));
-        toyRoom.addToy(new Car("Medium Yellow Car", 15.0, "3-6 years"));
-        toyRoom.addToy(new Car("Medium Blue Car", 18.0, "3-6 years"));
-        toyRoom.addToy(new Car("Car on R/C", 30.0, "6-10 years"));
-        toyRoom.addToy(new Doll("Doll that can talk", 25.0, "1-3 years"));
-        toyRoom.addToy(new Doll("Doll 'Barbie'", 10.0, "3-6 years"));
-        toyRoom.addToy(new Doll("Bear Teddy", 14.5, "6-12 months"));
-        toyRoom.addToy(new Ball("Yellow Ball", 5.0, "6-12 months"));
-        toyRoom.addToy(new Ball("Big Blue Ball", 7.0, "1-3 years"));
-        toyRoom.addToy(new Ball("Football Ball", 12.5, "6-10 years"));
-        toyRoom.addToy(new Cube("Cubes with pictures", 6.5, "6-12 months"));
-        toyRoom.addToy(new Cube("Cubes with letters", 9.0, "3-6 years"));
-        toyRoom.addToy(new Cube("Rubik's Cube", 14.0, "6-10 years"));
-
-        boolean exit = false;
-        Scanner scanner = new Scanner(System.in);
-
-        while (!exit) {
-            System.out.println("\n Select an option:");
-            System.out.println("  1 - Display all toys;");
-            System.out.println("  2 - Find toy by price range;");
-            System.out.println("  3 - Sort toys by price;");
-            System.out.println("  4 - Find a toy by name;");
-            System.out.println("  Q - Quit;\n");
-
-            String option = scanner.nextLine();
-
-            switch (option.toLowerCase()) {
-                case "1":
-                    System.out.println(" Toys in the Toy Room:");
-                    toyRoom.displayToys();
-                    break;
-                case "2":
-                    System.out.print(" Enter the minimum price for the toy: ");
-                    double minPrice = scanner.nextDouble();
-                    scanner.nextLine();
-
-                    System.out.print(" Enter the maximum price for the toy: ");
-                    double maxPrice;
-                    do {
-                        maxPrice = scanner.nextDouble();
-                        scanner.nextLine();
-
-                        if (minPrice >= maxPrice) {
-                            System.out.println(" Error: The minimum price must be less than the maximum price. Please try again.");
-                            System.out.print(" Enter the maximum price for the toy: ");
-                        }
-                    } while (minPrice >= maxPrice);
-
-                    List<Toy> foundToys = toyRoom.findToysByPriceRange(minPrice, maxPrice);
-                    if (!foundToys.isEmpty()) {
-                        System.out.println("\n Found toys within the price range:");
-                        System.out.println(" -------------------------------------------------------");
-                        System.out.printf(" | %-20s | %-10s | %-15s |\n", "Name", "Price ($)", "Age Group");
-                        System.out.println(" |----------------------|------------|-----------------|");
-                        for (Toy toy : foundToys) {
-                            System.out.printf(" | %-20s | %-10.2f | %-15s |\n", toy.name, toy.price, toy.ageGroup);
-                        }
-                        System.out.println(" -------------------------------------------------------");
-                    } else {
-                        System.out.println("\n No toys found within the price range.");
-                    }
-                    break;
-
-                case "3":
-                    System.out.println(" Choose the sorting order:");
-                    System.out.println("  A - Ascending");
-                    System.out.println("  D - Descending");
-                    String sortOrder = scanner.nextLine();
-
-                    boolean ascending = true;
-                    if (sortOrder.equalsIgnoreCase("D")) {
-                        ascending = false;
-                    }
-
-                    toyRoom.sortToys(ascending);
-                    System.out.println("\n Toys in the Toy Room after sorting:");
-                    toyRoom.displayToys();
-                    break;
-
-                case "4":
-                    System.out.print(" Enter the toy name: ");
-                    String toyName = scanner.nextLine();
-
-                    toyRoom.findToysByName(toyName);
-                    break;
-
-                case "q":
-                    exit = true;
-                    System.out.println(" Program exited. Thank you!");
-                    break;
-                default:
-                    System.out.println(" Invalid option. Please try again.");
-            }
-        }
-    }
-}

lab1 fedoniuk

@@ -1,96 +0,0 @@
-import java.util.Scanner;
-
-public class lab1 {
-    public static void main(String[] args) {
-        int C2, C3, C5;
-        var C7 = 0;
-
-        Scanner id = new Scanner(System.in);
-        System.out.print("Enter the student's ID number: ");
-        int idbook = id.nextInt();
-
-        C2 = idbook % 2;
-        C3 = idbook % 3;
-        C5 = idbook % 5;
-        C7 = idbook % 7;
-
-        String[] oper1 = {"+", "-"};
-        String[] oper2 = {"*", "/", "%", "+", "-"};
-        String[] oper3 = {"byte", "short", "int", "long", "char", "float", "double"};
-
-        int C = C3;
-
-        String O1 = oper1[C2];
-        String O2 = oper2[C5];
-        String O3 = oper3[C7];
-
-        System.out.println("C2 is: " + C2 + ", operation is: " + O1);
-        System.out.println("C3 = " + C);
-        System.out.println("C5 is: " + C5 + ", operation is: " + O2);
-        System.out.println("C7 is: " + C7 + ", Type of indexes i and j is: " + O3);
-
-        double i = 0;
-        double j = 0;
-        System.out.println("\nEnter a values for lower limits (i and j) in the "+ O3+" type: ");
-        switch (O3) {
-            case "byte" -> {
-                i = id.nextByte();
-                j = id.nextByte();
-            }
-            case "short" -> {
-                i = id.nextShort();
-                j = id.nextShort();
-            }
-            case "int" -> {
-                i = id.nextInt();
-                j = id.nextInt();
-            }
-            case "long" -> {
-                i = id.nextLong();
-                j = id.nextLong();
-            }
-            case "char" -> {
-                i = id.next().charAt(0);
-                j = id.next().charAt(0);
-            }
-            case "float" -> {
-                i = id.nextFloat();
-                j = id.nextFloat();
-            }
-            case "double" -> {
-                i = id.nextDouble();
-                j = id.nextDouble();
-            }
-        }
-
-        System.out.println("The value of the created variables is: " + i + " and " + j);
-        System.out.println("Enter values for top limits (n and m):");
-        int n, m;
-        n = id.nextInt();
-        m = id.nextInt();
-
-        double sum = 0, res = 0, res2 = 0;
-
-        if ((O1.equals("-") && i + n >= C && i <= C) || i > n || j > m || (C == 0 && i == 0)) {
-            System.out.println("Incorrect input, try another values");
-        } else {
-            for (double a = i; a <= n; a++) {
-                for (double b = j; b <= m; b++) {
-                    switch (O1) {
-                        case "+" -> res = a + C;
-                        case "-" -> res = a - C;
-                    }
-                    switch (O2) {
-                        case "+" -> res2 = a + b;
-                        case "-" -> res2 = a - b;
-                        case "*" -> res2 = a * b;
-                        case "/" -> res2 = a / b;
-                        case "%" -> res2 = a % b;
-                    }
-                    sum += res2 / res;
-                }
-            }
-            System.out.println("Sum is: " + sum);
-        }
-    }
-}

lab2

@@ -1,76 +0,0 @@
-import java.util.Scanner;
-import java.util.Random;
-
-public class Lab2 {
-    public static void main(String[] args) {
-        int C5, C11, C7;
-        int idbook = 2430;
-
-        C5 = idbook % 5;
-        C7 = idbook % 7;
-        C11 = idbook % 11;
-
-        System.out.println("C5 = " + C5 + " - Action between matrix is: C=a×B, a - const");
-        System.out.println("C7 = " + C7 + " - The matrix elements type is: byte");
-        System.out.println("C11 = " + C11 + " - The action with matrix C is: Find the matrix elements' average value");
-
-        Scanner sc = new Scanner(System.in);
-        System.out.print("\n Enter the number of rows: ");
-        int rows = sc.nextInt();
-        System.out.print(" Enter the number of columns: ");
-        int cols = sc.nextInt();
-        int min = 0;
-        int max = 0;
-        boolean valid = false;
-        while (!valid) {
-            System.out.print("\n Enter the minimum value of the matrix numbers (-128 to 127): ");
-            min = sc.nextInt();
-            System.out.print(" Enter the maximum value of the matrix numbers (-128 to 127): ");
-            max = sc.nextInt();
-            if (min >= -128 && max <= 127 && min < max) {
-                valid = true;
-            } else {
-                System.out.println("\nInvalid input. Please enter the values again.");
-            }
-        }
-        byte[][] matrix = new byte[rows][cols];
-        Random rand = new Random();
-        for (int i = 0; i < rows; i++) {
-            for (int j = 0; j < cols; j++) {
-                matrix[i][j] = (byte) (rand.nextInt(max - min + 1) + min);
-            }
-        }
-        System.out.println("\nThe matrix is:");
-        for (int i = 0; i < rows; i++) {
-            for (int j = 0; j < cols; j++) {
-                System.out.printf(" %-5d", matrix[i][j]);
-            }
-            System.out.println();
-        }
-
-        System.out.print("\nEnter the constant to multiply the matrix by: ");
-        int constant = sc.nextInt();
-        byte[][] multipliedMatrix = new byte[rows][cols];
-        System.out.println(" The matrix multiplied by " + constant + " is:");
-        for (int i = 0; i < rows; i++) {
-            for (int j = 0; j < cols; j++) {
-                multipliedMatrix[i][j] = (byte) (matrix[i][j] * constant);
-                System.out.printf(" %-5d", multipliedMatrix[i][j]);
-            }
-            System.out.println();
-        }
-
-        System.out.println("\n Press 'enter' to search for the average value of the matrix.");
-        sc.nextLine();
-        sc.nextLine();
-        int sum = 0;
-        for (int i = 0; i < rows; i++) {
-            for (int j = 0; j < cols; j++) {
-                sum += multipliedMatrix[i][j];
-            }
-        }
-        double average = (double) sum / (rows * cols);
-        System.out.println("The average value of the multiplied matrix is: " + average);
-    }
-}
-

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

lab3

@@ -1,63 +0,0 @@
-import java.util.Scanner;
-
-public class Lab5 {
-    public static void main(String[] args) {
-
-        int C17 = 2430 % 17;
-        System.out.println("\n---------------------------------------------------------------------------------------------------------------------");
-        System.out.println("  C17 = " + C17 + ", So, the task is:  delete all previous occurrences of the last letter of each word of the specified text");
-        System.out.println("---------------------------------------------------------------------------------------------------------------------");
-
-        Scanner scanner = new Scanner(System.in);
-        String input = null;
-        while (input == null || input.isEmpty()) {
-            System.out.print("\nEnter a string: ");
-            input = scanner.nextLine();
-        }
-        try {
-            StringBuilder sb = new StringBuilder(input);
-            String[] words = sb.toString().split("\\s+");
-            for (int i = 0; i < words.length; i++) {
-                String word = words[i];
-                char lastChar = word.charAt(word.length() - 1);
-                if (!Character.isLetterOrDigit(lastChar)) {
-                    // Last character is a punctuation mark
-                    int lastLetterIndex = -1;
-                    for (int j = word.length() - 2; j >= 0; j--) {
-                        if (Character.isLetter(word.charAt(j))) {
-                            lastLetterIndex = j;
-                            break;
-                        }
-                    }
-                    if (lastLetterIndex != -1) {
-                        char lastLetter = word.charAt(lastLetterIndex);
-                        String newWord = "";
-                        for (int j = 0; j < word.length() - 1; j++) {
-                            if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
-                                newWord += word.charAt(j);
-                            }
-                        }
-                        newWord += lastChar;
-                        words[i] = newWord;
-                    }
-                } else {
-                    // Last character is a letter or a digit
-                    char lastLetter = lastChar;
-                    String newWord = "";
-                    for (int j = 0; j < word.length() - 1; j++) {
-                        if (!Character.isLetterOrDigit(word.charAt(j)) || word.charAt(j) != lastLetter) {
-                            newWord += word.charAt(j);
-                        }
-                    }
-                    newWord += lastLetter;
-                    words[i] = newWord;
-                }
-            }
-            System.out.print("\nFinal string: ");
-            System.out.println(String.join(" ", words));
-        } catch (Exception e) {
-            System.out.println("An error occurred: " + e.getMessage());
-        }
-    }
-}
-

lab4

@@ -1,115 +0,0 @@
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.Scanner;
-
-public class Lab4 {
-
-    public static class Student {
-        private int grBook;
-        private String name;
-        private int age;
-        private double gpa;
-        private String faculty;
-
-        public Student(int grBook, String name, int age, double gpa, String faculty) {
-            this.grBook = grBook;
-            this.name = name;
-            this.age = age;
-            this.gpa = gpa;
-            this.faculty = faculty;
-        }
-
-        public int getGrBook() {
-            return grBook;
-        }
-
-        public String getName() {
-            return name;
-        }
-
-        public int getAge() {
-            return age;
-        }
-
-        public double getGpa() {
-            return gpa;
-        }
-
-        public String getFaculty() {
-            return faculty;
-        }
-    }
-
-    public static void main(String[] args) {
-
-        int C11 = 2430 % 11;
-        System.out.println("\n  ----------------------------------------------------------------------------------------------------------");
-        System.out.println("          C11 = " + C11 + ", So, the task is:  Define the student class, which consists of at least 5 fields.");
-        System.out.println("  ----------------------------------------------------------------------------------------------------------");
-
-        Student[] students = {
-                new Student(1010, "Вікторія", 21, 84.6, "ФІОТ"),
-                new Student(2010, "Дарія", 20, 79.8, "РТФ"),
-                new Student(3010, "Анатолій", 19, 94.3, "ХТФ"),
-                new Student(4040, "Генадій", 22, 62.0, "ІХФ"),
-                new Student(5050, "Борис", 18, 89.1, "ФММ")
-        };
-
-        Scanner scanner = new Scanner(System.in);
-        boolean quit = false;
-        while (!quit) {
-
-            System.out.print("\nEnter the field to sort by (greed book, name, age, gpa, faculty) or enter 'quit' to exit: ");
-            String input = scanner.nextLine();
-
-            if (!input.equals("greed book") && !input.equals("name") && !input.equals("age") && !input.equals("gpa") && !input.equals("faculty") && !input.equals("quit")) {
-                System.out.println("Invalid field to sort by! Please enter 'grBook', 'name', 'age', 'gpa', or 'faculty'.");
-                continue;
-            }
-            if (input.equals("quit")) {
-                quit = true;
-                System.out.println("Thank you for using my program:)");
-                continue;
-            }
-
-            String field = input;
-            System.out.print("Enter the sort order (asc or desc): ");
-            String order = scanner.nextLine();
-
-            if (!order.equals("asc") && !order.equals("desc")) {
-                System.out.println("Invalid sort order! Please enter 'asc' or 'desc'.");
-                continue;
-            }
-
-            Comparator<Student> comparator = null;
-            switch (field) {
-                case "greed book":
-                    comparator = Comparator.comparingInt(Student::getGrBook);
-                    break;
-                case "name":
-                    comparator = Comparator.comparing(Student::getName);
-                    break;
-                case "age":
-                    comparator = Comparator.comparingInt(Student::getAge);
-                    break;
-                case "gpa":
-                    comparator = Comparator.comparingDouble(Student::getGpa);
-                    break;
-                case "faculty":
-                    comparator = Comparator.comparing(Student::getFaculty);
-                    break;
-            }
-            if (order.equals("desc")) {
-                comparator = comparator.reversed();
-            }
-            Arrays.sort(students, comparator);
-
-            System.out.println("\nSorted by " + field + " (in " + order + "ending order):");
-            System.out.println(String.format("%n%-15s | %-20s | %-4s | %-4s | %-10s", "Greed book", "Name", "Age", "GPA", " Faculty"));
-            System.out.println("----------------------------------------------------------------");
-            for (Student student : students) {
-                System.out.println(String.format("%-15d | %-20s | %-4d | %-3.1f | %-10s", student.getGrBook(), student.getName(), student.getAge(), student.getGpa(), student.getFaculty()));
-            }
-        }
-    }
-}

src/Lab5.java

@@ -0,0 +1,231 @@
+import java.util.ArrayList;
+import java.util.List;
+
+class Letter {
+    private char character;
+
+    public Letter(char character) {
+        this.character = character;
+    }
+
+    public char getCharacter() {
+        return character;
+    }
+
+    @Override
+    public String toString() {
+        return String.valueOf(character);
+    }
+}
+
+class Word {
+    private List<Letter> letters;
+
+    public Word(List<Letter> letters) {
+        this.letters = letters;
+    }
+
+    public List<Letter> getLetters() {
+        return letters;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder wordBuilder = new StringBuilder();
+        for (Letter letter : letters) {
+            wordBuilder.append(letter.getCharacter());
+        }
+        return wordBuilder.toString();
+    }
+}
+
+class Sentence {
+    private List<Object> components;
+
+    public Sentence(List<Object> components) {
+        this.components = components;
+    }
+
+    public List<Object> getComponents() {
+        return components;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder sentenceBuilder = new StringBuilder();
+        for (Object component : components) {
+            if (component instanceof Word) {
+                List<Letter> letters = ((Word) component).getLetters();
+                for (Letter letter : letters) {
+                    sentenceBuilder.append(letter.getCharacter());
+                }
+            } else if (component instanceof PunctuationMark) {
+                sentenceBuilder.append(((PunctuationMark) component).getMark());
+            }
+            sentenceBuilder.append(" ");
+        }
+        return sentenceBuilder.toString().trim();
+    }
+}
+
+class PunctuationMark {
+    private char mark;
+
+    public PunctuationMark(char mark) {
+        this.mark = mark;
+    }
+
+    public char getMark() {
+        return mark;
+    }
+
+    @Override
+    public String toString() {
+        return String.valueOf(mark);
+    }
+}
+
+class Text {
+    private List<Sentence> sentences;
+
+    public Text(List<Sentence> sentences) {
+        this.sentences = sentences;
+    }
+
+    public List<Sentence> getSentences() {
+        return sentences;
+    }
+
+    @Override
+    public String toString() {
+        StringBuilder textBuilder = new StringBuilder();
+        for (Sentence sentence : sentences) {
+            textBuilder.append(sentence.toString()).append(". ");
+        }
+        return textBuilder.toString().trim();
+    }
+}
+
+public class Lab5 {
+    public static void main(String[] args) {
+        System.out.println("C17 = " + 2425%17);
+        StringBuffer sentence = new StringBuffer("об'єктно-орієнтована мова програмування , випущена 1995 року компанією" +
+                " Сан Майкросістемс , як основний компонент платформи Джава." +
+                " З 2009 року мовою займається компанія Оракл , яка того року придбала Сан Майкросістемс. В офіційній" +
+                " реалізації Джава-програми компілюються у байт-код , який при виконанні інтерпретується віртуальною" +
+                " машиною для конкретної платформи");
+
+        // Заміна послідовності табуляцій та пробілів одним пробілом
+        String cleanedText = replaceTabsAndSpaces(sentence.toString());
+
+        // Розбиття тексту на речення
+        String[] sentenceArray = cleanedText.split("\\.");
+
+        List<Sentence> sentences = new ArrayList<>();
+        List<Character> punctuationMarks = new ArrayList<>();
+
+        for (String s : sentenceArray) {
+            // Розбиття речення на слова та розділові знаки
+            String[] components = s.trim().split("\\s+");
+
+            List<Object> sentenceComponents = new ArrayList<>();
+
+            for (String component : components) {
+                if (isPunctuationMark(component)) {
+                    // Додавання розділових знаків
+                    char mark = component.charAt(component.length() - 1);
+                    punctuationMarks.add(mark);
+                    sentenceComponents.add(new PunctuationMark(mark));
+                } else {
+                    // Створення слова
+                    List<Letter> letters = new ArrayList<>();
+                    for (char c : component.toCharArray()) {
+                        letters.add(new Letter(c));
+                    }
+                    sentenceComponents.add(new Word(letters));
+                }
+            }
+
+            sentences.add(new Sentence(sentenceComponents));
+        }
+
+        // Створення тексту
+        Text text = new Text(sentences);
+
+        // Виведення букв, слів та речень
+        List<Sentence> allSentences = text.getSentences();
+        for (Sentence s : allSentences) {
+            List<Object> components = s.getComponents();
+
+            for (Object component : components) {
+                if (component instanceof Word) {
+                    System.out.println("Слово: " + component);
+                    List<Letter> letters = ((Word) component).getLetters();
+                    for (Letter letter : letters) {
+                        System.out.println("Літера: " + letter.getCharacter());
+                    }
+                } else if (component instanceof PunctuationMark) {
+                    System.out.println("Розділовий знак: " + ((PunctuationMark) component).getMark());
+                }
+            }
+
+            System.out.println("Речення: " + s.toString());
+            System.out.println();
+        }
+
+        // Виведення розділових знаків
+        System.out.println("Розділові знаки:");
+        for (Character mark : punctuationMarks) {
+            System.out.println(mark);
+        }
+
+        // Виведення масиву речень з пробілами
+        System.out.println("Масив речень:");
+        for (Sentence s : allSentences) {
+            System.out.println(s.toString());
+        }
+
+        // Видалення слів заданої довжини, починаючи з приголосної літери
+        removeWords(allSentences);
+
+        // Виведення оновленого тексту
+        System.out.println("Оновлений текст:");
+        System.out.println(text.toString());
+
+    }
+
+
+    // Функція для заміни табуляцій та пробілів одним пробілом
+    private static String replaceTabsAndSpaces(String text) {
+        return text.replaceAll("\\s+", " ");
+    }
+
+    // Функція для перевірки, чи є рядок розділовим знаком
+    private static boolean isPunctuationMark(String text) {
+        return text.matches(".*[,.]$");
+    }
+
+    // Функція для видалення слів заданої довжини, починаючи з приголосної літери
+    private static void removeWords(List<Sentence> sentences) {
+        String consonants = "бвгґджзклмнпрстфхцчшщ";
+        for (Sentence sentence : sentences) {
+            List<Object> components = sentence.getComponents();
+            List<Object> componentsToRemove = new ArrayList<>();
+
+            for (Object component : components) {
+                if (component instanceof Word) {
+                    Word word = (Word) component;
+                    List<Letter> letters = word.getLetters();
+                    int wordLength = letters.size();
+                    char firstLetter = letters.get(0).getCharacter();
+
+                    if ((wordLength > 5) && (wordLength < 9) && consonants.contains(String.valueOf(firstLetter))) {
+                        componentsToRemove.add(component);
+                    }
+                }
+            }
+
+            components.removeAll(componentsToRemove);
+        }
+    }
+}

src/Lab6.java

@@ -0,0 +1,117 @@
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Scanner;
+
+class Train {
+    private List<PassengerCarriage> carriages;
+
+    public Train(List<PassengerCarriage> carriages) {
+        this.carriages = carriages;
+    }
+
+    public int getTotalPassengerCount() {
+        int totalPassengerCount = 0;
+        for (PassengerCarriage carriage : carriages) {
+            totalPassengerCount += carriage.getPassengerCount();
+        }
+        return totalPassengerCount;
+    }
+
+    public int getTotalLuggageCount() {
+        int totalLuggageCount = 0;
+        for (PassengerCarriage carriage : carriages) {
+            totalLuggageCount += carriage.getLuggageCount();
+        }
+        return totalLuggageCount;
+    }
+
+    public void sortCarriagesByComfortLevel() {
+        Collections.sort(carriages, new Comparator<PassengerCarriage>() {
+            @Override
+            public int compare(PassengerCarriage c1, PassengerCarriage c2) {
+                return c1.getComfortLevel() - c2.getComfortLevel();
+            }
+        });
+    }
+
+    public PassengerCarriage findCarriageByPassengerCount(int minPassengers, int maxPassengers) {
+        for (PassengerCarriage carriage : carriages) {
+            int passengerCount = carriage.getPassengerCount();
+            if (passengerCount >= minPassengers && passengerCount <= maxPassengers) {
+                return carriage;
+            }
+        }
+        return null;
+    }
+}
+
+class PassengerCarriage {
+    private int passengerCount;
+    private int luggageCount;
+    private int comfortLevel;
+
+    public PassengerCarriage(int passengerCount, int luggageCount, int comfortLevel) {
+        this.passengerCount = passengerCount;
+        this.luggageCount = luggageCount;
+        this.comfortLevel = comfortLevel;
+    }
+
+    public int getPassengerCount() {
+        return passengerCount;
+    }
+
+    public int getLuggageCount() {
+        return luggageCount;
+    }
+
+    public int getComfortLevel() {
+        return comfortLevel;
+    }
+}
+
+public class Lab6 {
+    public static void main(String[] args) {
+        // Задаємо характеристики вагонів
+        List<PassengerCarriage> carriages = new ArrayList<>();
+        carriages.add(new PassengerCarriage(30, 64, 3));
+        carriages.add(new PassengerCarriage(53, 126, 2));
+        carriages.add(new PassengerCarriage(89, 164, 1));
+
+        Train train = new Train(carriages);
+
+        int totalPassengerCount = train.getTotalPassengerCount();
+        int totalLuggageCount = train.getTotalLuggageCount();
+
+        System.out.println("Кількість всіх пасажирів: " + totalPassengerCount);
+        System.out.println("Кількість всього багажу: " + totalLuggageCount);
+
+        train.sortCarriagesByComfortLevel();
+
+        System.out.println("Вагони відсортовані за рівнем комфорту:");
+        for (PassengerCarriage carriage : carriages) {
+            System.out.println("Кількість пасажирів: " + carriage.getPassengerCount() +
+                    ", Рівень комфорту: " + carriage.getComfortLevel());
+        }
+
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Введіть мінімальну кількість пасажирів: ");
+        int minPassengers = scanner.nextInt();
+        System.out.print("Введіть максимальну кількість пасажирів: ");
+        int maxPassengers = scanner.nextInt();
+
+        PassengerCarriage carriage = train.findCarriageByPassengerCount(minPassengers, maxPassengers);
+
+        if (carriage != null) {
+            System.out.println("Вагон знайдений за кількість пасажирів між " +
+                    minPassengers + " та " + maxPassengers);
+            System.out.println("Кількість пасажирів: " + carriage.getPassengerCount() +
+                    ", Рівень комфорту: " + carriage.getComfortLevel());
+        } else {
+            System.out.println("Вагон не знайдений за кількістю пасажирів " +
+                    minPassengers + " між " + maxPassengers);
+        }
+    }
+}

src/Main.java

@@ -1,15 +0,0 @@
-public class Main {
-    public static void main(String[] args) {
-        System.out.println(args[1]);
-        System.out.println("Hello world!");
-//        System.out.println(1);
-    }
-
-    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

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

src/encapsulationInheritancePolymorphism/inheritance/Engine.java

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

src/encapsulationInheritancePolymorphism/inheritance/Main.java

@@ -1,7 +0,0 @@
-package encapsulationInheritancePolymorphism.inheritance;
-
-public class Main {
-    public static void main(String[] args) {
-        ElectricEngine electricEngine = new ElectricEngine();
-    }
-}

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);
-    }
-}