added lab3 ex2

src/lab3_abstract_factory/ex2/Car.java

@@ -0,0 +1,18 @@
+package lab3_abstract_factory.ex2;
+
+public abstract class Car {
+    protected String name;
+    private String color = "blank";
+
+    public void paintColor(String color) {
+        this.color = color;
+    }
+
+    public String getColor() {
+        return color;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

src/lab3_abstract_factory/ex2/CarCreator.java

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+package lab3_abstract_factory.ex2;
+
+public class CarCreator {
+    private CarFactory carFactory;
+
+    public CarCreator(CarFactory carFactory) {
+        this.carFactory = carFactory;
+    }
+
+    public Car orderCar(String color) {
+        Car car = carFactory.createCar();
+        car.paintColor(color);
+        return car;
+    }
+}

src/lab3_abstract_factory/ex2/CarFactory.java

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+package lab3_abstract_factory.ex2;
+
+public abstract class CarFactory {
+    public abstract Car createCar();
+}

src/lab3_abstract_factory/ex2/Program.java

@@ -0,0 +1,31 @@
+package lab3_abstract_factory.ex2;
+
+import lab3_abstract_factory.ex2.car_factories.CoupeFactory;
+import lab3_abstract_factory.ex2.car_factories.MinivanFactory;
+import lab3_abstract_factory.ex2.car_factories.PickupFactory;
+
+public class Program  {
+    public static void main(String[] args) {
+        CarCreator coupeCreator = new CarCreator(new CoupeFactory());
+        CarCreator minivanCreator = new CarCreator(new MinivanFactory());
+        CarCreator pickupCreator = new CarCreator(new PickupFactory());
+
+        Car c1 = coupeCreator.orderCar("red");
+        System.out.println("Car "
+            + c1.getName() + " "
+            + c1.getColor()
+            + " has been ordered.");
+
+        Car c2 = minivanCreator.orderCar("blue");
+        System.out.println("Car "
+            + c2.getName() + " "
+            + c2.getColor()
+            + " has been ordered.");
+
+        Car c3 = pickupCreator.orderCar("green");
+        System.out.println("Car "
+            + c3.getName() + " "
+            + c3.getColor()
+            + " has been ordered.");
+    }
+}

src/lab3_abstract_factory/ex2/car_factories/CoupeFactory.java

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+package lab3_abstract_factory.ex2.car_factories;
+
+import lab3_abstract_factory.ex2.Car;
+import lab3_abstract_factory.ex2.CarFactory;
+import lab3_abstract_factory.ex2.cars.Coupe;
+
+public class CoupeFactory extends CarFactory {
+    @Override
+    public Car createCar() {
+        return new Coupe();
+    }
+}

src/lab3_abstract_factory/ex2/car_factories/MinivanFactory.java

@@ -0,0 +1,12 @@
+package lab3_abstract_factory.ex2.car_factories;
+
+import lab3_abstract_factory.ex2.Car;
+import lab3_abstract_factory.ex2.CarFactory;
+import lab3_abstract_factory.ex2.cars.Minivan;
+
+public class MinivanFactory extends CarFactory {
+    @Override
+    public Car createCar() {
+        return new Minivan();
+    }
+}

src/lab3_abstract_factory/ex2/car_factories/PickupFactory.java

@@ -0,0 +1,12 @@
+package lab3_abstract_factory.ex2.car_factories;
+
+import lab3_abstract_factory.ex2.Car;
+import lab3_abstract_factory.ex2.CarFactory;
+import lab3_abstract_factory.ex2.cars.Pickup;
+
+public class PickupFactory extends CarFactory {
+    @Override
+    public Car createCar() {
+        return new Pickup();
+    }
+}

src/lab3_abstract_factory/ex2/cars/Coupe.java

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+package lab3_abstract_factory.ex2.cars;
+
+import lab3_abstract_factory.ex2.Car;
+
+public class Coupe extends Car {
+    public Coupe() {
+        this.name = "Coupe";
+    }
+}

src/lab3_abstract_factory/ex2/cars/Minivan.java

@@ -0,0 +1,9 @@
+package lab3_abstract_factory.ex2.cars;
+
+import lab3_abstract_factory.ex2.Car;
+
+public class Minivan extends Car {
+    public Minivan() {
+        this.name = "Minivan";
+    }
+}

src/lab3_abstract_factory/ex2/cars/Pickup.java

@@ -0,0 +1,9 @@
+package lab3_abstract_factory.ex2.cars;
+
+import lab3_abstract_factory.ex2.Car;
+
+public class Pickup extends Car {
+    public Pickup() {
+        this.name = "Pickup";
+    }
+}