diff --git a/lab7/lab7.iml b/lab7/lab7.iml
new file mode 100644
index 0000000..9465dd8
--- /dev/null
+++ b/lab7/lab7.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>
\ No newline at end of file
diff --git a/lab7/out/production/lab7/lab7/Car.class b/lab7/out/production/lab7/lab7/Car.class
new file mode 100644
index 0000000..c2aec9b
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diff --git a/lab7/out/production/lab7/lab7/CarCollection.class b/lab7/out/production/lab7/lab7/CarCollection.class
new file mode 100644
index 0000000..8174d55
Binary files /dev/null and b/lab7/out/production/lab7/lab7/CarCollection.class differ
diff --git a/lab7/out/production/lab7/lab7/CombatsCar.class b/lab7/out/production/lab7/lab7/CombatsCar.class
new file mode 100644
index 0000000..bfc2887
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diff --git a/lab7/out/production/lab7/lab7/ElectricCar.class b/lab7/out/production/lab7/lab7/ElectricCar.class
new file mode 100644
index 0000000..11ab620
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diff --git a/lab7/out/production/lab7/lab7/Main.class b/lab7/out/production/lab7/lab7/Main.class
new file mode 100644
index 0000000..8523948
Binary files /dev/null and b/lab7/out/production/lab7/lab7/Main.class differ
diff --git a/lab7/out/production/lab7/lab7/SportsCar.class b/lab7/out/production/lab7/lab7/SportsCar.class
new file mode 100644
index 0000000..454f537
Binary files /dev/null and b/lab7/out/production/lab7/lab7/SportsCar.class differ
diff --git a/lab7/src/lab7/Car.java b/lab7/src/lab7/Car.java
new file mode 100644
index 0000000..fb9af96
--- /dev/null
+++ b/lab7/src/lab7/Car.java
@@ -0,0 +1,42 @@
+package lab7;
+
+public class Car {
+
+    protected String mark;
+    protected String model;
+    protected int price;
+    protected int year;
+    protected float fuel;
+
+    public Car(String mark, String model, int price, int year, float fuel) {
+        setValues(mark, model, price, year, fuel);
+    }
+
+//    Цей конструктор був створений окремо для класу ElectricCar
+    public Car(String mark, String model, int price, int year) {
+        setValues(mark, model, price, year);
+    }
+
+    public void setValues(String mark, String model, int price, int year, float fuel) {
+        this.mark = mark;
+        this.model = model;
+        this.price = price;
+        this.year = year;
+        this.fuel = fuel;
+    }
+
+    public void setValues(String mark, String model, int price, int year) {
+        this.mark = mark;
+        this.model = model;
+        this.price = price;
+        this.year = year;
+    }
+
+    public void printValues() {
+        System.out.println("Марка: " + mark);
+        System.out.println("Модель: " + model + " " + year);
+        System.out.println("Ціна: " + price + "$");
+        System.out.println("Витрати палива: " + fuel + "л/100км");
+    }
+
+}
diff --git a/lab7/src/lab7/CarCollection.java b/lab7/src/lab7/CarCollection.java
new file mode 100644
index 0000000..5f8effb
--- /dev/null
+++ b/lab7/src/lab7/CarCollection.java
@@ -0,0 +1,137 @@
+package lab7;
+
+import java.util.*;
+
+public class CarCollection<T extends Car> implements List<T> {
+    private final LinkedList<T> carList;
+
+    public CarCollection() {
+        carList = new LinkedList<>();
+    }
+
+    public CarCollection(T car) {
+        carList = new LinkedList<>();
+        carList.add(car);
+    }
+
+    public CarCollection(Collection<? extends T> c) {
+        carList = new LinkedList<>(c);
+    }
+
+    //  Реалізація методів List
+    @Override
+    public int size() {
+        return carList.size();
+    }
+
+    @Override
+    public boolean isEmpty() {
+        return carList.isEmpty();
+    }
+
+    @Override
+    public boolean contains(Object o) {
+        return carList.contains(o);
+    }
+
+    @Override
+    public Iterator<T> iterator() {
+        return carList.iterator();
+    }
+
+    @Override
+    public Object[] toArray() {
+        return carList.toArray();
+    }
+
+    @Override
+    public <T1> T1[] toArray(T1[] a) {
+        return carList.toArray(a);
+    }
+
+    @Override
+    public boolean add(T t) {
+        return carList.add(t);
+    }
+
+    @Override
+    public boolean remove(Object o) {
+        return carList.remove(o);
+    }
+
+    @Override
+    public boolean containsAll(Collection<?> c) {
+        return carList.containsAll(c);
+    }
+
+    @Override
+    public boolean addAll(Collection<? extends T> c) {
+        return carList.addAll(c);
+    }
+
+    @Override
+    public boolean addAll(int index, Collection<? extends T> c) {
+        return carList.addAll(index, c);
+    }
+
+    @Override
+    public boolean removeAll(Collection<?> c) {
+        return carList.removeAll(c);
+    }
+
+    @Override
+    public boolean retainAll(Collection<?> c) {
+        return carList.retainAll(c);
+    }
+
+    @Override
+    public void clear() {
+        carList.clear();
+    }
+
+    @Override
+    public T get(int index) {
+        return carList.get(index);
+    }
+
+    @Override
+    public T set(int index, T element) {
+        return carList.set(index, element);
+    }
+
+    @Override
+    public void add(int index, T element) {
+        carList.add(index, element);
+    }
+
+    @Override
+    public T remove(int index) {
+        return carList.remove(index);
+    }
+
+    @Override
+    public int indexOf(Object o) {
+        return carList.indexOf(o);
+    }
+
+    @Override
+    public int lastIndexOf(Object o) {
+        return carList.lastIndexOf(o);
+    }
+
+    @Override
+    public ListIterator<T> listIterator() {
+        return carList.listIterator();
+    }
+
+    @Override
+    public ListIterator<T> listIterator(int index) {
+        return carList.listIterator(index);
+    }
+
+    @Override
+    public List<T> subList(int fromIndex, int toIndex) {
+        return carList.subList(fromIndex, toIndex);
+    }
+
+}
\ No newline at end of file
diff --git a/lab7/src/lab7/CombatsCar.java b/lab7/src/lab7/CombatsCar.java
new file mode 100644
index 0000000..8a7eeae
--- /dev/null
+++ b/lab7/src/lab7/CombatsCar.java
@@ -0,0 +1,29 @@
+package lab7;
+
+public class CombatsCar extends Car {
+
+    private final int crew;
+    private final float weight;
+    private final String country;
+
+    public CombatsCar(String mark, String model, int price, int year, float fuel, int crew, float weight, String country) {
+        super(mark, model, price, year, fuel);
+        this.crew = crew;
+        this.weight = weight;
+        this.country = country;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public void printValues() {
+        super.printValues();
+        System.out.println("--- Особливості бойової машини ---");
+        System.out.println("Екіпаж: " + crew + " людей");
+        System.out.println("Бойова маса: " + weight + "т");
+        System.out.println("Країна-виробник: " + country);
+
+    }
+
+}
diff --git a/lab7/src/lab7/ElectricCar.java b/lab7/src/lab7/ElectricCar.java
new file mode 100644
index 0000000..04012d9
--- /dev/null
+++ b/lab7/src/lab7/ElectricCar.java
@@ -0,0 +1,25 @@
+package lab7;
+
+public class ElectricCar extends Car {
+
+    private final float electricity;
+    private final float chargingSpeed;
+
+    public ElectricCar(String mark, String model, int price, int year, float electricity, int chargingSpeed) {
+        super(mark, model, price, year);
+        this.electricity = electricity;
+        this.chargingSpeed = chargingSpeed;
+    }
+
+    public float getElectricity() {
+        return electricity;
+    }
+
+    public void printValues() {
+        super.printValues();
+        System.out.println("-Особливості електрокару-");
+        System.out.println("Споживання електроенергії: " + electricity + " кВт·год/100км");
+        System.out.println("Швидкість зарядки (з 0% до 100%): " + chargingSpeed + " хв");
+    }
+
+}
diff --git a/lab7/src/lab7/Main.java b/lab7/src/lab7/Main.java
new file mode 100644
index 0000000..0681976
--- /dev/null
+++ b/lab7/src/lab7/Main.java
@@ -0,0 +1,73 @@
+package lab7;
+
+import java.util.ArrayList;
+import java.util.Comparator;
+import java.util.Scanner;
+
+public class Main {
+
+    public static void main(String[] args) {
+
+//        Використання пустого конструктора CarCollection
+        CarCollection<SportsCar> sportsCars = new CarCollection<>();
+        sportsCars.add(new SportsCar("Ferrari", "458 Italia", 230000, 2015, 9.8f, 562, 202, 4.5f));
+        sportsCars.add(new SportsCar("Lamborghini", "Huracan", 260000, 2020, 9.5f, 640, 211, 5.2f));
+        sportsCars.add(new SportsCar("Porsche", "911", 150000, 2018, 14.3f, 450, 191, 3.0f));
+        sportsCars.add(new SportsCar("McLaren", "570S", 200000, 2017, 11.2f, 562, 204, 3.8f));
+        sportsCars.add(new SportsCar("Aston Martin", "Vantage", 150000, 2021, 12.3f, 503, 195, 4.0f));
+
+//        Сортування спорткарів за ціною
+        System.out.println("~~~~~ Відсортовані спорткари за ціною ~~~~~");
+        sportsCars.sort(Comparator.comparingInt(SportsCar::getPrice));
+
+        for (int i = sportsCars.size() - 1; i >= 0; i--) {
+            sportsCars.get(i).printValues();
+            System.out.println();
+        }
+
+//        Використання конструктора CarCollection з передаванням в його лише один об'єкт
+        CarCollection<CombatsCar> combatsCars = new CarCollection<>(new CombatsCar("Humvee", "M1114", 220000, 1995, 6.5f, 4, 5.5f, "США"));
+        combatsCars.add(new CombatsCar("Puma", "IFV", 3500000, 2010, 10.7f, 6, 31f, "Німеччина"));
+        combatsCars.add(new CombatsCar("Warrior", "IFV", 4500000, 1988, 12.4f, 3, 29f, "Великобританія"));
+        combatsCars.add(new CombatsCar("ZBD", "05", 1200000, 2011, 9.4f, 4, 25f, "Китай"));
+        combatsCars.add(new CombatsCar("VBCI", "IFV", 5000000, 2008, 10.7f, 8, 32f, "Франція"));
+
+//        Пошук бойової машини за країною-виробником
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("Введіть країну-виробницю бойової машини: ");
+        String userCountry = scanner.nextLine();
+
+        System.out.println("Результати пошуку:\n");
+        for (CombatsCar car : combatsCars) {
+            if (car.getCountry().equals(userCountry)) {
+                car.printValues();
+            }
+        }
+
+        ArrayList<ElectricCar> electricCarsList = new ArrayList<>();
+        electricCarsList.add(new ElectricCar("Tesla", "Model S", 80000, 2022, 21.5f, 45));
+        electricCarsList.add(new ElectricCar("Chevrolet", "Bolt", 35000, 2021, 28.0f, 60));
+        electricCarsList.add(new ElectricCar("Nissan", "Leaf", 32000, 2021, 24.0f, 40));
+        electricCarsList.add(new ElectricCar("BMW", "i3", 45000, 2021, 19.5f, 30));
+        electricCarsList.add(new ElectricCar("Hyundai", "Kona", 42000, 2022, 22.0f, 50));
+
+//        Використання конструктора CarCollection з передаванням в його колекцію об'єктів
+        CarCollection<ElectricCar> electricCars = new CarCollection<>(electricCarsList);
+
+//        Пошук автомобіля по діапазону споживання електроенергії
+        System.out.println("\nВведіть діапазон споживання електроенергії (кВт·год/100км):");
+        System.out.print("від ");
+        float electricityLowerLimit = scanner.nextFloat();
+        System.out.print("до ");
+        float electricityUpperLimit = scanner.nextFloat();
+
+        System.out.println("Результати пошуку:\n");
+        for (ElectricCar car : electricCars) {
+            if (car.getElectricity() < electricityUpperLimit & car.getElectricity() > electricityLowerLimit) {
+                car.printValues();
+            }
+        }
+
+    }
+
+}
diff --git a/lab7/src/lab7/SportsCar.java b/lab7/src/lab7/SportsCar.java
new file mode 100644
index 0000000..6b77e1e
--- /dev/null
+++ b/lab7/src/lab7/SportsCar.java
@@ -0,0 +1,28 @@
+package lab7;
+
+public class SportsCar extends Car {
+
+    private final int power;
+    private final float speed;
+    private final float engineCapacity;
+
+    public SportsCar(String mark, String model, int price, int year, float fuel, int power, float speed, float engineCapacity) {
+        super(mark, model, price, year, fuel);
+        this.power = power;
+        this.speed = speed;
+        this.engineCapacity = engineCapacity;
+    }
+
+    public int getPrice() {
+        return price;
+    }
+
+    public void printValues() {
+        super.printValues();
+        System.out.println("-Особливості спорткару-");
+        System.out.println("Потужість: " + power + " кінських сил");
+        System.out.println("Максимальна швидкість: " + speed + " км/год");
+        System.out.println("Об'єм двигуна: " + engineCapacity + "л");
+    }
+
+}