Java 天地·Core Java·Lecture Notes·Unit 10 - Applications, File Handling and Exceptions

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What a GUI application must do

If it has a graphical user interface (GUI) — and most programs do — an application must do at least these three things that an applet will not usually be concerned with:

provide a start point for the program
create and manage the program’s main window
shut down the program on request from the user

Of course the purpose of developing an application is to be able to do things that an applet cannot, so the application may have to do other things that applets cannot. This section is about dealing with the things that an application must do, regardless of its function, if is to support graphical interaction.

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