抽象类和接口到底是什么“垃圾“——教你分类

class 保温杯 extends 水杯 implements 保温

package zmldemo;
//水杯抽象类
public abstract class Cup {
     String name;//水杯名称
     String color;//水杯颜色

    public Cup() {
    }

    public Cup(String name, String color) {
        this.name = name;
        this.color = color;
    }
    //水杯使用说明方法
    public abstract void useCup();
}

package zmldemo;
//保温接口
public interface BaoWen {
    //保温方法
    public void baoWen();
}

package zmldemo;
//刷牙杯
public class ShuaYaBei extends Cup {
    public ShuaYaBei() {
    }

    public ShuaYaBei(String name, String color) {
        super(name, color);
    }

    @Override
    public void useCup() {
        System.out.println("我是"+this.color+"的"+this.name+","+"我是用来刷牙的");
    }
}

package zmldemo;
//保温杯
public class BaoWenBei extends Cup implements BaoWen{

    public BaoWenBei(){

    }
    public BaoWenBei(String name,String color){
        super(name,color);
    }


    @Override
    public void useCup() {
        System.out.println("我是"+this.color+"的"+this.name+","+"我是用来喝水的");
    }

    @Override
    public void baoWen() {
        System.out.println("我能对水杯里的水进行保温");
    }
}

package zmldemo;

public class CupTest {
    public static void main(String[] args) {
        ShuaYaBei shuaYaBei = new ShuaYaBei("刷牙杯","红色");
        shuaYaBei.useCup();

        BaoWenBei baoWenBei = new BaoWenBei("保温杯","金黄色");
        baoWenBei.useCup();
        baoWenBei.baoWen();


    }
}