public interface Sheep{

    public void run();

    public void ho();

}

public class Wolf{

    public void run(){

        System.out.println("狼跑");

    }

    public void ho(){

        System.out.println("狼嚎");

    }

}

public class SheepAdapter implements Sheep{

    private Wolf wolf;

    public SheepAdapter(Wolf wolf){

    this.wolf = wolf;

    }

    @Override

    public void run(){

        wolf.run();

    }

    @Override

    public void ho(){

        wolf.ho();

    }

}

public static void main(String[] args){

    //狼

    Wolf wolf = new Wolf();

    //披着羊皮的狼

    Sheep sheep = new  SheepAdapter(wolf);

    sheep.run();

    sheep.ho();

}