البرمجة كائنية التوجّه (OOP)

class Car {
    String brand;
    int speed;

    void drive() {
        System.out.println(brand + " تسير بسرعة " + speed);
    }
}

public class Main {
    public static void main(String[] args) {
        Car myCar = new Car();   // كائن
        myCar.brand = "Toyota";
        myCar.speed = 120;
        myCar.drive();
    }
}

class Car {
    String brand;

    Car(String brand) {
        this.brand = brand;
    }
}

Car c = new Car("Honda");

class Account {
    private double balance;

    public double getBalance() {
        return balance;
    }
}

class Animal {
    void eat() { System.out.println("يأكل"); }
}

class Dog extends Animal {
    void bark() { System.out.println("ينبح"); }
}