缺省适配器

public interface Person {
    //原本的
    void haircut();
    void dressing();
    
    //扩展的
    void cosmetology();
}


public abstract class ManAdapter implements Person {

    @Override
    public abstract void haircut();

    @Override
    public abstract void dressing();

    @Override
    public void cosmetology() {
        // TODO Auto-generated method stub
        //可以抛出一个自定义异常
    }

}


public abstract class WomanAdapter implements Person{

    @Override
    public abstract void haircut();

    @Override
    public abstract void dressing();

    @Override
    public abstract void cosmetology();//通过接口扩展的
    public abstract void Manicure();//通过适配器扩展的
    
}

public class Man extends ManAdapter {

    public void haircut() {
        // TODO Auto-generated method stub
        System.out.println("男生，理发只要十块钱");
    }

    @Override
    public void dressing() {
        // TODO Auto-generated method stub
        System.out.println("男生，随便穿就好啦");
    }

}

public class Woman extends WomanAdapter {

    @Override
    public void haircut() {
        // TODO Auto-generated method stub
        System.out.println("我是女生，需要花很长时间理发");
    }

    @Override
    public void dressing() {
        // TODO Auto-generated method stub
        System.out.println("我是女生，今天就穿小裙子");
    }

    @Override
    public void cosmetology() {
        // TODO Auto-generated method stub
        System.out.println("今天休假，去做美容");
    }

    @Override
    public void Manicure() {
        // TODO Auto-generated method stub
        System.out.println("做指甲");
    }

}