这是一个拥有GUI的Applet，实现地址簿的功能，当在每一个框里面输入地址簿信息，就可以将信息写到文件中。并可以通过地址簿查看已有的地址信息。-This is a have a GUI applet, address book functionality inside each box, enter the address book information, the information can be written to the file. And view the existing ad