我自学JAVA的习作，编写的一个类似QQ的网络即时通讯软件，在不同电脑上输入对方IP即可实现相互聊天，简洁方便。运行run.bat即可运行。-self-JAVA exercises, preparation of a network of similar QQ IM software, in different computer input on the other side IP can chat with each other, simple convenience. Also runnin