抽象工厂设计模式

//抽象工厂设计模式是用来实现工厂族的

public interface Fruit {

         publicvoid show();

}

public abstract class Apple implementsFruit{

         @Override

         publicabstract void show();

}

public abstract class Pear implementsFruit{

         @Override

         publicabstract void show();

}

public class NorthApple extends Apple{

         @Override

         publicvoid show() {

                   //TODO 自动生成的方法存根

                   System.out.println("北方苹果!");

         }

}

public class NorthPear extends Pear{

 

         @Override

         publicvoid show() {

                   //TODO 自动生成的方法存根

                   System.out.println("北方梨");

         }

}

public class SouthApple extends Apple{

         @Override

         publicvoid show() {

                   //TODO 自动生成的方法存根

                   System.out.println("南方苹果");

         }

}

public class SouthPear extends Pear{

         @Override

         publicvoid show() {

                   //TODO 自动生成的方法存根

                   System.out.println("北方梨");

         }

}

public interface FruitFactory {

         publicApple getApple();

         publicPear getPear();

}

public class NorthFactory implementsFruitFactory{

         @Override

         publicApple getApple() {

                   //TODO 自动生成的方法存根

                   returnnew NorthApple();

         }

         @Override

         publicPear getPear() {

                   //TODO 自动生成的方法存根

                   returnnew NorthPear();

         }

}

public class SouthFactory implementsFruitFactory{

         @Override

         publicApple getApple() {

                   //TODO 自动生成的方法存根

                   returnnew SouthApple();

         }

         @Override

         publicPear getPear() {

                   //TODO 自动生成的方法存根

                   returnnew SouthPear();

         }

 

}

public class TestMain {

         publicstatic void main(String[] args) {

                   FruitFactoryff=new NorthFactory();//产生一个北方的工厂

                   Appleapple=ff.getApple();//北方的工厂产生北方的苹果

                   apple.show();//北方的苹果有自己的方法

                   Pearpear=ff.getPear();//北方的工厂产生北方的梨

                   pear.show();//北方的梨有自己的方法

                   //具体解释同上

                   FruitFactoryfffFactory=new SouthFactory();

                   Appleapple2=fffFactory.getApple();

                   apple2.show();

                   Pearpear2=fffFactory.getPear();

                   pear2.show();

         }

}