说明：  javanotebookJava记事本：Notebook源码下载，虽然是个功能不多的记事本，但通过这个Java程序你可以学习到不少小技巧呢！比如创建界面、安装各种监听器，在窗体上布局主菜单，保存用户编辑的文件，以及如何使用"另存为"对话框保存文件，如何新建和打开一个文档等，源代码内包括了相当多的注释，是Java新手学习JAVA编程的好范例。 　　当用户按下窗口的“关闭”时，会自动调用此方法
(javanotebookJava Notepad: Notebook source download, although it is a function of a small Notepad, but through the Java program you can learn a lot of tips! Such as the creation of the interface, the installation of a variety of listeners, the main menu layout on the form, save the user to edit the file, and how to use the " Save As" dialog box to save the file, how to create and open a document, source code, including the A considerable number of comments, is a good example of the Java novice learning Java programming. , It will automatically call this method when the user presses the window' s " Close" )