lab6

.gitignore

@@ -1,2 +1,4 @@
 # Project exclude paths
-/out/
+/out/
+# Auto detect text files and perform LF normalization
+* text=auto

.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

.idea/OOP_IO-2x_2023.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>

.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

@@ -0,0 +1,11 @@
+<?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

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

README.md

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

lab1/lab1.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://$MODULE_DIR$/FunctionCalculator/src" isTestSource="false" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

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/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>