added lab2 ex1

src/lab2_factory_method/ex1/Car.java

@@ -0,0 +1,13 @@
+package lab2_factory_method.ex1;
+
+public abstract class Car {
+    private String color;
+
+    public Car(String color) {
+        this.color = color;
+    }
+    public abstract String getName();
+    public String getColor() {
+        return color;
+    };
+}

src/lab2_factory_method/ex1/CarCreator.java

@@ -0,0 +1,5 @@
+package lab2_factory_method.ex1;
+
+public abstract class CarCreator {
+    public abstract Car orderCar(String color);
+}

src/lab2_factory_method/ex1/Coupe.java

@@ -0,0 +1,11 @@
+package lab2_factory_method.ex1;
+
+public class Coupe extends Car {
+    public Coupe(String color) {
+        super(color);
+    }
+
+    public String getName() {
+        return  "Coupe";
+    }
+}

src/lab2_factory_method/ex1/CoupeCreator.java

@@ -0,0 +1,9 @@
+package lab2_factory_method.ex1;
+
+public class CoupeCreator extends CarCreator {
+
+    @Override
+    public Car orderCar(String color) {
+        return new Coupe(color);
+    }
+}

src/lab2_factory_method/ex1/Minivan.java

@@ -0,0 +1,12 @@
+package lab2_factory_method.ex1;
+
+public class Minivan extends Car {
+    public Minivan(String color) {
+        super(color);
+    }
+
+    @Override
+    public String getName() {
+        return "Minivan";
+    }
+}

src/lab2_factory_method/ex1/MinivanCreator.java

@@ -0,0 +1,8 @@
+package lab2_factory_method.ex1;
+
+public class MinivanCreator extends CarCreator {
+    @Override
+    public Car orderCar(String color) {
+        return new Minivan(color);
+    }
+}

src/lab2_factory_method/ex1/Pickup.java

@@ -0,0 +1,12 @@
+package lab2_factory_method.ex1;
+
+public class Pickup extends Car {
+    public Pickup(String color) {
+        super(color);
+    }
+
+    @Override
+    public String getName() {
+        return "Pickup";
+    }
+}

src/lab2_factory_method/ex1/PickupCreator.java

@@ -0,0 +1,8 @@
+package lab2_factory_method.ex1;
+
+public class PickupCreator extends CarCreator {
+    @Override
+    public Car orderCar(String color) {
+        return new Pickup(color);
+    }
+}

src/lab2_factory_method/ex1/Program.java

@@ -0,0 +1,21 @@
+package lab2_factory_method.ex1;
+
+public class Program {
+    public static void main(String[] args) {
+        CarCreator coupeCreator = new CoupeCreator();
+        CarCreator minivanCreator = new MinivanCreator();
+        CarCreator pickupCreator = new PickupCreator();
+        Car c1 = coupeCreator.orderCar("red");
+        System.out.println("Car "
+                + c1.getName()
+                + " "
+                + c1.getColor()
+                + " has been ordered.");
+        Car c2 = minivanCreator.orderCar("red");
+        System.out.println("Car "
+                + c2.getName()
+                + " "
+                + c2.getColor()
+                + " has been ordered.");
+    }
+}

src/learn/simple_factory_method/ConcreteCreator.java

@@ -0,0 +1,8 @@
+package learn.simple_factory_method;
+
+public class ConcreteCreator extends Creator {
+    @Override
+    public Product factoryMethod() {
+        return new ConcreteProduct("Product");
+    }
+}

src/learn/simple_factory_method/ConcreteProduct.java

@@ -0,0 +1,14 @@
+package learn.simple_factory_method;
+
+public class ConcreteProduct implements Product {
+    private String category;
+
+    public ConcreteProduct(String category) {
+        this.category = category;
+    }
+
+    @Override
+    public String toString() {
+        return "ConcreteProduct('" + category + "')";
+    }
+}

src/learn/simple_factory_method/Creator.java

@@ -0,0 +1,10 @@
+package learn.simple_factory_method;
+
+public abstract class Creator {
+    abstract public Product factoryMethod();
+
+    public void anOperation() {
+        Product product = this.factoryMethod();
+        System.out.println("Do something with product " + product);
+    }
+}

src/learn/simple_factory_method/Main.java

@@ -0,0 +1,8 @@
+package learn.simple_factory_method;
+
+public class Main {
+    public static void main(String[] args) {
+        Creator creator = new ConcreteCreator();
+        creator.anOperation();
+    }
+}

src/learn/simple_factory_method/Product.java

@@ -0,0 +1,4 @@
+package learn.simple_factory_method;
+
+public interface Product {
+}