public class SomeTrying{
    
    
    public static void main(String[] args){
        new Son();
        new Son().Father();        
    }
}
 
 class Father{  
         //父类Father的无参构造函数
        public Father (){  
            System.out.println("Father Construtor");  
        }  
      //父类Father的带参构造函数 ，构造函数不是成员函数，它只代表类本身，所以一个类可以有多个构造函数
        public Father (int x){  
            System.out.println("Father Construtor " + x);  
        }  
         
      /*  父类Father的成员函数，就是类中的普通函数，所以是不可以重复的，如果再写一个如下，
       * 编译器会报 Duplicate method Father() in type Father 错误，原因是两个成员函数发生了冲突。
       public int Father (){  
            System.out.println("Father member function");  
      */
        
        public void Father (){  
            System.out.println("Father member function");  
        }  
    }  
     
     
     //类son是继承父类Father的子类
    class Son extends Father {  
        //在子类的构造函数中调用父类构造函数，
        public Son (){  
            super(1);  
            System.out.println("Son Construtor");  
        }  
       
        //重写父类的成员函数
        public void Father(){  
            System.out.println("Inherited Father member function.");  
            super.Father();  
        }  
    }