//吃飯
abstract void chiFan();
//睡覺
abstract void shuiJiao();
//呼吸
abstract void fuXi();
//講睡覺
abstract void jiangShuiJiao();
}
//蝙蝠類
class BianFu extends DongWu{
public void chiFan(){}
public void shuiJiao(){//此處按照提問者規定,我就只實現睡覺方法了
System.out.println("只有白天睡覺!");
}
public void fuXi(){}
public void jiangShuiJiao(){}
}
//大象類
class DaXiang extends DongWu{
public void chiFan(){}
public void shuiJiao(){//此處按照提問者規定,我就只實現睡覺方法了
System.out.println("大象睡覺打呼嚕!");
}
public void fuXi(){}
public void jiangShuiJiao(){}
}
//測試類
public class Util{
public static void main(String[] args){
BianFu bf = new BianFu();
bf.shuiJiao();
DaXiang dx = new DaXiang();
d.shuiJiao();
}
}