import?java.awt.*;
import?java.awt.event.*;
import?javax.swing.*;

//左鍵彈出菜單

public?class?JPopMenuDemo?extends?Jframe?{
???JRadioButtonMenuItem?items[];?//菜單項
???Color[]?colors={Color.blueColor.pinkColor.yellowColor.redColor.orange};?//顏色數組
???JPopupMenu?popupMenu;?//彈出菜單

???public?JPopMenuDemo（）
???{
??????super（?“右鍵彈出菜單“?）;?//調用父類構造函數

??????ChangeColorAction?action?=?new?ChangeColorAction（）;?//菜單項事件處理
??????String[]?str?=?{“Blue““Pink““Yellow““Red““Orange“};?//菜單項名稱
??????ButtonGroup?colorGroup=new?ButtonGroup（）;?//實例化按鈕組
??????popupMenu=new?JPopupMenu（）;?//實例化彈出菜單
??????items=new?JRadioButtonMenuItem[5];?//初始化數組
??????for?（int?i=0;i?????????items[i]=new?JRadioButtonMenuItem（str[i]）;?//實例化菜單項
?????????popupMenu.add（items[i]）;?//增加菜單項到菜單上
?????????colorGroup.add（items[i]）;?//增加菜單項到按鈕組
????????items[i].addActionListener（action）;?//菜單項事件處理
??????}?????

??????addMouseListener（new?MouseAdapter（）{??//窗口的鼠標事件處理
????????public?void

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????106814??2004-07-21?19:02??16-1.bmp
?????文件?????????887??2004-07-21?18:48??JPopMenuDemo$1.class
?????文件?????????903??2004-07-21?18:48??JPopMenuDemo$ChangeColorAction.class
?????文件????????1755??2004-07-21?18:48??JPopMenuDemo.class
?????文件????????2353??2004-05-13?01:33??JPopMenuDemo.java