课堂练习

package com.aaa.day333;
//普通狗吃饭说话
public abstract class Dog {
    public abstract void eat();
    public abstract void speak();
}
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package com.aaa.day333;
//缉毒狗
public interface JiDu {
    public abstract void jidu();
}
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package com.aaa.day333;

public class JiDuDog extends Dog implements JiDu{

    @Override
    public void jidu() {
        // TODO Auto-generated method stub
        System.out.println("缉毒犬在缉毒");
    }

    @Override
    public void eat() {
        // TODO Auto-generated method stub
        System.out.println("趴着吃");
    }

    @Override
    public void speak() {
        // TODO Auto-generated method stub
        System.out.println("站着叫");
    }
    
}
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public class Dogg extends Dog{
    public void eat() {
        // TODO Auto-generated method stub
        System.out.println("普通的狗坐着吃");
    }

    @Override
    public void speak() {
        // TODO Auto-generated method stub
        System.out.println("普通的狗笑声叫");
    }
}
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package com.aaa.day333;
//测试
public class Test {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Dogg d= new Dogg();
        d.speak();
        JiDuDog jd=new JiDuDog();
        jd.speak();
        jd.jidu();
    }

}
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