class Base
{
   public void men1()
  {
   System.out.println("base men1 called_______");
  }
  public void men2()
  {
   System.out.println("base men2 called_______");
  }

}
 class Sub extends Base
{
    private void men1()//报错
  {
   System.out.println("Sub men1 called_______");
  }
  public  void men2()
  {
   System.out.println("Sub men2 called_______");
  }
  public  void men3()
  {
   System.out.println("Sub men3 called_______");
  }
}
 public class test
 {
     public static void main(String arg[])
     {
         Base base=new Sub();
         base.men2();
         
     }
 }