适配器模式

/**
 * 鸭子接口
 *
 * @author Colin
 * @create 2018-05-07
 **/
public interface Duck {
    public void quack();
    public void fly();
}

/**
 * 鸡
 *
 * @author Colin
 * @create 2018-05-07
 **/
public interface Chicken {

    public void Gege();
    public void fly();

}
**
 * 适配器
 *
 * @author Colin
 * @create 2018-05-07
 **/
public class ChickenAdapter implements  Duck {

    private Chicken chicken;

    public ChickenAdapter(Chicken chicken){
        this.chicken=chicken;
    }
    @Override
    public void quack() {
        chicken.Gege();
    }

    @Override
    public void fly() {
        chicken.fly();
    }
}
/**
 * 绿鸭子
 *
 * @author Colin
 * @create 2018-05-07
 **/
public class GreenDuck implements Duck {
    @Override
    public void quack() {
        System.out.println("呱呱叫！");
    }

    @Override
    public void fly() {
        System.out.println("飞起来！");
    }
}

/**
 * 母鸡
 *
 * @author Colin
 * @create 2018-05-07
 **/
public class HenChicken implements Chicken {
    @Override
    public void Gege() {
        System.out.println("母鸡咯咯叫！");
    }

    @Override
    public void fly() {
        System.out.println("母鸡会飞！");
    }
}

public class AdapterTest {


    @Test
    public void testAdapter(){

        GreenDuck greenDuck=new GreenDuck();
        HenChicken chicken=new HenChicken();

        Duck duck=new ChickenAdapter(chicken);
        duck.quack();
        duck.fly();
    }
}