10例子1.txt

这是一本java基础教程 对新手上路有很大帮助

import javax.swing.*;
import java.awt.event.InputEvent; 
import java.awt.event.KeyEvent;
public class Example10_1{
    public static void main(String args[]){
        FirstWindow win=new FirstWindow("一个简单的窗口");
    }
}
class FirstWindow extends JFrame{
    JMenuBar menubar;
    JMenu menu;
    JMenuItem item1,item2; 
    FirstWindow(String s){
       setTitle(s);        
       setSize(160,170);
       setLocation(120,120);
       setVisible(true);               
       menubar=new JMenuBar(); 
       menu=new JMenu("文件");   
       item1=new JMenuItem("打开",new ImageIcon("open.gif"));
       item2=new JMenuItem("保存",new ImageIcon("save.gif"));
       item1.setAccelerator(KeyStroke.getKeyStroke('O')); 
       item2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));         
       menu.add(item1);
       menu.addSeparator();
       menu.add(item2);
       menubar.add(menu);
       setJMenuBar(menubar);
       validate();
       setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    } 
}