Minor cleanup

.gitignore

@@ -1,2 +1,2 @@
-# Project exclude paths
-/out/
+Lab 1/Lab_1.class
+Lab 2/Lab_2.class

.idea/.gitignore

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

.idea/misc.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="openjdk-20" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>

.idea/modules.xml

@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/OOP_IO-2x_2023.iml" filepath="$PROJECT_DIR$/OOP_IO-2x_2023.iml" />
-    </modules>
-  </component>
-</project>

.idea/uiDesigner.xml

@@ -1,124 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="Palette2">
-    <group name="Swing">
-      <item class="com.intellij.uiDesigner.HSpacer" tooltip-text="Horizontal Spacer" icon="/com/intellij/uiDesigner/icons/hspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="1" hsize-policy="6" anchor="0" fill="1" />
-      </item>
-      <item class="com.intellij.uiDesigner.VSpacer" tooltip-text="Vertical Spacer" icon="/com/intellij/uiDesigner/icons/vspacer.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="1" anchor="0" fill="2" />
-      </item>
-      <item class="javax.swing.JPanel" icon="/com/intellij/uiDesigner/icons/panel.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JScrollPane" icon="/com/intellij/uiDesigner/icons/scrollPane.svg" removable="false" auto-create-binding="false" can-attach-label="true">
-        <default-constraints vsize-policy="7" hsize-policy="7" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JButton" icon="/com/intellij/uiDesigner/icons/button.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="0" fill="1" />
-        <initial-values>
-          <property name="text" value="Button" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JRadioButton" icon="/com/intellij/uiDesigner/icons/radioButton.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="RadioButton" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JCheckBox" icon="/com/intellij/uiDesigner/icons/checkBox.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="3" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="CheckBox" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JLabel" icon="/com/intellij/uiDesigner/icons/label.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="0" anchor="8" fill="0" />
-        <initial-values>
-          <property name="text" value="Label" />
-        </initial-values>
-      </item>
-      <item class="javax.swing.JTextField" icon="/com/intellij/uiDesigner/icons/textField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JPasswordField" icon="/com/intellij/uiDesigner/icons/passwordField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JFormattedTextField" icon="/com/intellij/uiDesigner/icons/formattedTextField.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1">
-          <preferred-size width="150" height="-1" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTextArea" icon="/com/intellij/uiDesigner/icons/textArea.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTextPane" icon="/com/intellij/uiDesigner/icons/textPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JEditorPane" icon="/com/intellij/uiDesigner/icons/editorPane.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JComboBox" icon="/com/intellij/uiDesigner/icons/comboBox.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="2" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JTable" icon="/com/intellij/uiDesigner/icons/table.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JList" icon="/com/intellij/uiDesigner/icons/list.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="2" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTree" icon="/com/intellij/uiDesigner/icons/tree.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3">
-          <preferred-size width="150" height="50" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JTabbedPane" icon="/com/intellij/uiDesigner/icons/tabbedPane.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
-          <preferred-size width="200" height="200" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JSplitPane" icon="/com/intellij/uiDesigner/icons/splitPane.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="3" hsize-policy="3" anchor="0" fill="3">
-          <preferred-size width="200" height="200" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JSpinner" icon="/com/intellij/uiDesigner/icons/spinner.svg" removable="false" auto-create-binding="true" can-attach-label="true">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JSlider" icon="/com/intellij/uiDesigner/icons/slider.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="8" fill="1" />
-      </item>
-      <item class="javax.swing.JSeparator" icon="/com/intellij/uiDesigner/icons/separator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="6" anchor="0" fill="3" />
-      </item>
-      <item class="javax.swing.JProgressBar" icon="/com/intellij/uiDesigner/icons/progressbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1" />
-      </item>
-      <item class="javax.swing.JToolBar" icon="/com/intellij/uiDesigner/icons/toolbar.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="6" anchor="0" fill="1">
-          <preferred-size width="-1" height="20" />
-        </default-constraints>
-      </item>
-      <item class="javax.swing.JToolBar$Separator" icon="/com/intellij/uiDesigner/icons/toolbarSeparator.svg" removable="false" auto-create-binding="false" can-attach-label="false">
-        <default-constraints vsize-policy="0" hsize-policy="0" anchor="0" fill="1" />
-      </item>
-      <item class="javax.swing.JScrollBar" icon="/com/intellij/uiDesigner/icons/scrollbar.svg" removable="false" auto-create-binding="true" can-attach-label="false">
-        <default-constraints vsize-policy="6" hsize-policy="0" anchor="0" fill="2" />
-      </item>
-    </group>
-  </component>
-</project>

.idea/vcs.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>

Lab 1/Lab_1.java

@@ -0,0 +1,41 @@
+import java.util.Scanner;
+
+public class Lab_1 {
+    public static void main(String[] args) {
+        int n, m, a, b;
+        float s = 0;
+
+        Scanner input = new Scanner(System.in);
+        
+        System.out.print("Enter n: ");
+        n = input.nextInt();
+
+        System.out.print("Enter m: ");
+        m = input.nextInt();
+
+        do {
+            System.out.print("Enter a (can't be above n): ");
+            a = input.nextInt();
+        } while (a > n);
+
+        do {
+            System.out.print("Enter b (can't be above m): ");
+            b = input.nextInt();
+        } while (b > m);
+
+        input.close();
+
+        if ((a <= 0) && (n >= 0)) {
+            System.out.println("Error, division by zero, shutting down!");
+            System.exit(1);
+        }
+
+        for (int i = a; i < n; i++) {
+            for (int j = b; j < m; j++) {
+                s += i * j / i;
+            }
+        }
+
+        System.out.println("S = " + s);
+    }
+}

Lab 2/Lab_2.java

@@ -0,0 +1,107 @@
+import java.util.Scanner;
+
+public class Lab_2 {
+
+    public static String format(int number) {
+        int width = String.valueOf(number).length() + 1;
+        String format = "|%" + width + "d ";
+
+        return format;
+    }
+
+    public static double average(short[] row) {
+        short sum = 0;
+
+        for (short element : row) {
+            sum += element;
+        }
+
+        double result = sum / row.length;
+
+        return result;
+    }
+
+    public static void main(String[] args) {
+        short a, rows = 0, columns = 0;
+        String format;
+        
+        Scanner input = new Scanner(System.in);
+
+        do {
+            try {
+                System.out.println();
+                System.out.print("Input a constant to multipy a matrix by: ");
+
+                a = input.nextShort();
+                break;
+            } catch (Exception e) {
+                System.out.println("A constant must be a short-data type integer, try again.");
+                input.nextLine();
+            }
+        } while (true);
+
+        System.out.println();
+        System.out.println("Input size of the matrix.");
+
+        do {
+            try {
+                System.out.print("Rows: ");
+                rows = input.nextShort();
+            } catch (Exception e) {
+                System.out.println("A number of rows must be a short-data type integer, try again.");
+                input.nextLine();
+            }
+        } while (rows <= 0);
+
+        do {
+            try {
+                System.out.print("Columns: ");
+                columns = input.nextShort();
+            } catch (Exception e) {
+                System.out.println("A number of columns must be a short-data type integer, try again.");
+                input.nextLine();
+            }
+        } while (columns <= 0);
+
+        short[][] matrix_B = new short[rows][columns];
+
+        System.out.println();
+        System.out.println("Matrix B:");
+
+        format = format(rows * columns);
+
+        for (short i = 0; i < rows; i++) {
+            for (short j = 0; j < columns; j++) {
+                matrix_B[i][j] = (short) ((i + 1) * (j + 1));
+
+                System.out.printf(format, matrix_B[i][j]);
+            }
+
+            System.out.println("|");
+        }
+
+        System.out.println();
+        System.out.println("Matrix a×B:");
+
+        format = format(rows * columns * a);
+
+        for (short i = 0; i < rows; i++) {
+            for (short j = 0; j < columns; j++) {
+                matrix_B[i][j] *= (short) (a);
+
+                System.out.printf(format, matrix_B[i][j]);
+            }
+
+            System.out.println("|");
+        }
+
+        System.out.println();
+        System.out.println("Averages of each row:");
+
+        for (short[] row : matrix_B) {
+            System.out.println(average(row));
+        }
+
+        input.close();
+    }
+}

OOP_IO-2x_2023.iml

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

lab2.iml

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

src/Lab5.java

@@ -1,231 +0,0 @@
-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

@@ -1,117 +0,0 @@
-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);
-        }
-    }
-}