package hf;
public class Animal {
protected String color;
public String name;
protected int heavy;
private int c ;
public int age;
}
public class bird extends Animal{
public static void main(String[] args) {
Animal bird =new Animal();
bird .name ="鸟";
bird .color ="红色";
bird.age =4;
System.out.println("我是一只"+bird.color+"的"+bird.name);
System.out.println("今年"+bird.age+"岁了");
}
}
我是一只红色的鸟
今年4岁了
进程已结束,退出代码为 0
public class fish extends Animal{
public static void main(String[] args) {
Animal fish =new Animal();
fish .name ="鱼";
fish .heavy =5;
fish.age =2;
System.out.println("我是一只"+ fish.heavy +"斤重的"+ fish.name);
System.out.println("今年"+ fish.age+"岁了");
}
}
结果:
我是一只5斤重的鱼
今年2岁了
进程已结束,退出代码为 0