1 package T0408; 2  3 public class Dad { 4     String name; 5     int age; 6     public Dad(String name,int age){
   //有参构造函数     7         this.name = name; 8         this.age  = age; 9     }10     public void EatFood(){11         System.out.println("爸爸一天要吃八碗饭,喜欢吃土豆和肉");12     } 13     public void EarnMoney(int money){14         System.out.println("爸爸赚钱的钱数:"+money+"元");15     }16     public void Sleep(){    17         System.out.println("爸爸一天至少睡多少八小时！");    18     }19     public static void main(String[] args) {20         Son s = new Son("邹玲",21);21         Dad d = new Dad("邹玲",21);22         s.EarnMoney(8000);23         s.Dancing();24         s.Singing();25         d.EarnMoney(5000);26         d.EatFood();27         d.Sleep();28          29     }30 }31 /* *************************** */32 package T0408;33 34 public class Son extends Dad {//子类继承父类中的一切属性及方法（私有的除外）35 36     public Son(String name, int age) {37         super(name, age);38         // TODO Auto-generated constructor stub39     }40     public void Singing(){41         System.out.println("儿子喜欢唱歌");42     }43     public void Dancing(){44         System.out.println("儿子喜欢跳舞");45     }46     public void EarnMoney(int money){//重写父类的赚钱的方法47         48         System.out.println("儿子赚钱的钱数:"+money+"元");49     }50 }