适配器模式

1 public interface Target {
2 
3     void targetMethod();
4 }

1 public class Adaptee {
2 
3     public void adaptee() {
4         System.out.println("adaptee");
5     }
6 }

 1 public class Adapter implements Target {
 2 
 3     private Adaptee adaptee;
 4 
 5     public Adapter(Adaptee adaptee) {
 6         this.adaptee = adaptee;
 7     }
 8 
 9     @Override
10     public void targetMethod() {
11         adaptee.adaptee();
12     }
13 }

1 public class Main {
2 
3     public static void main(String[] args) {
4         Adaptee adaptee = new Adaptee();
5         Target adapter = new Adapter(adaptee);
6         adapter.targetMethod();
7     }
8 }