class MyClass{
	protected String s="a member of My23Class";
	protected void test(){System.out.println(s);
			}
}
public class MySubclass extends MyClass {
	public String s="a member of MySubClass";
	public void  test(){
		super.test();
		System.out.println(s);				}
	public static void main(String args[])
	{
		MySubclass mse=new MySubclass();     //在這里只有一個申明了類對象，而沒有了調(diào)用類實例
		System.out.println(mse.s);	
		mse.test();
	}
}