主要使用Java程序设计QQ聊天，程序详细介绍了如何使用Java来设计QQ的，计划的细节，并伴有在每个关键步骤的插图为更好地了解-The main use java program to design QQ chat, the program details how to use java to design QQ, program details, and accompanied at every critical step illustrations for better understan