求就，郁闷，几天自己解决不了的菜鸟问题

Question

you should add a label in a Panel,
which is added in a Frame.

Answer 1

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;public class talkbean implements WindowListener,MouseMotionListener
    ,AdjustmentListener
{
private Frame frame;
private Label jj;
void setframe(String frameTitle)
{
frame = new Frame( frameTitle);
frame.setSize(10,400);
frame.addWindowListener(this);
frame.addMouseMotionListener(this);
frame.setVisible(true);
}
public talkbean(String frameTitle)
{
setframe(frameTitle);
}
public static void main (String arg[])
{
talkbean talk = new talkbean(arg[0]);
talk.adduser(talk,arg[1]);
}
void adduser(talkbean talk,String labelName)
{
talk.frame.add(new  Label (labelName)) ;
}
public void windowClosing(WindowEvent we)
{
System.exit(0);
}
public void windowOpened(WindowEvent we)
{
}
public void windowIconified(WindowEvent we){}
public void windowDeiconified(WindowEvent we){}
public void windowActivated(WindowEvent we){}
public void windowDeactivated(WindowEvent we){}
public void windowClosed(WindowEvent we){}
public void mouseDragged(MouseEvent me){}
public void mouseMoved(MouseEvent me){} public void adjustmentValueChanged(AdjustmentEvent ev)
{
AdjustmentEvent bx;
if (ev.getAdjustmentType()==1)
{
//this is downs event
}
if (ev.getAdjustmentType()==2)
{
  //this is up event
}
}
}

Answer 2

试了次，不行：（~~ 问一下，老大你自己测试了么，我做，出不来LABEL！

Answer 3

//需要刷新，刷新方案有二
1、人为改变窗体大小
2、加代码，如下： void adduser(talkbean talk){
    talk.frame.add(new  Label ("asdfasd")) ;    
    frame.setVisible(true);//刷新
 }