1 package thirdDecoration;
 2 
 3 // 相当于ConcreteCompement的person
 4 public class Person {
 5     private String name;
 6     public Person(){}
 7     public Person(String name){
 8         this.name=name;
 9     }
10      
11     public  void  show(){ //由于在Java中，普通类不能拥有抽象方法，且抽象方法无方法体，所以和书上C#的写法不同
12         System.out.println("装扮的"+this.name);
13     };
14 }

 1 package thirdDecoration;
 2 
 3 public class Finery extends Person {
 4     protected Person compenent;
 5     public void Decorate(Person person){
 6         this.compenent=person;
 7     }
 8     public void show(){  //通过覆写的方式增加子类的特性
 9         if (compenent!=null){
10             compenent.show();
11         }
12     }    
13 }

1 package thirdDecoration;
2 
3 public class Tshirt extends Finery {
4     public void show(){
5         System.out.println("T恤");
6         super.show();
7     }
8 }

1 package thirdDecoration;
2 
3 public class Skirt extends Finery {
4     public void show(){
5         System.out.println("超短裙");
6         super.show();
7     }
8 }

1 package thirdDecoration;
2 
3 public class Dress extends Finery {
4     public void show(){
5         System.out.println("连衣裙");
6         super.show();
7     }
8 }

 1 package thirdDecoration;
 2 
 3 public class DecorationTest {
 4 
 5     public static void main(String[] args) {
 6         Person person=new Person("小仙猪");//把对象找出来
 7         Tshirt tshirt=new Tshirt(); //把衣服准备好
 8         Skirt skirt=new Skirt(); //把衣服准备好
 9         
10         skirt.Decorate(person);//裙子穿上
11         tshirt.Decorate(skirt);//再把上衣穿上
12         tshirt.show();
13         
14         System.out.println("done!");
15     }
16 
17 }