testone.java

来自「接着上次传入一些Java学习中的实验」· Java 代码 · 共 30 行

class A{
	private int x;
	public A(){	}
	public A(int x){this.x=x;}
	public void accessPrivate(A object)
	 {
	 	System.out.println(object.x);
	  }
}
public class testone extends A{
	public testone(){
		//super(0);
	System.out.println("can access this class easy?!");} 
	public void accessPrivate(A object) 
	{
	
		System.out.println("can access this class");
	}
public static void main(String args[])	
 {
 	A o1=new A(1);
 	A o2=new A(2);
 	o1.accessPrivate(o1);
 	o2.accessPrivate(o2);
 	testone t=new testone();
 	t.accessPrivate(o2);
 	
 }
}