File list (Check if you may need any files):
IM——CHAT
..........\chatserver
..........\..........\ChatServer$1.class
..........\..........\ChatServer$10.class
..........\..........\ChatServer$11.class
..........\..........\ChatServer$2.class
..........\..........\ChatServer$3.class
..........\..........\ChatServer$4.class
..........\..........\ChatServer$5.class
..........\..........\ChatServer$6.class
..........\..........\ChatServer$7.class
..........\..........\ChatServer$8.class
..........\..........\ChatServer$9.class
..........\..........\ChatServer.class
..........\..........\ChatServer.java
..........\..........\Node.class
..........\..........\Node.java
..........\..........\PortConf$1.class
..........\..........\PortConf$2.class
..........\..........\PortConf$3.class
..........\..........\PortConf.class
..........\..........\PortConf.java
..........\..........\ServerListen.class
..........\..........\ServerListen.java
..........\..........\ServerReceive.class
..........\..........\ServerReceive.java
..........\..........\UserLinkList.class
..........\..........\UserLinkList.java
..........\clientchat
..........\..........\bb.gif
..........\..........\ChatClient$1.class
..........\..........\ChatClient$10.class
..........\..........\ChatClient$11.class
..........\..........\ChatClient$12.class
..........\..........\ChatClient$13.class
..........\..........\ChatClient$14.class
..........\..........\ChatClient$15.class
..........\..........\ChatClient$16.class
..........\..........\ChatClient$17.class
..........\..........\ChatClient$2.class
..........\..........\ChatClient$3.class
..........\..........\ChatClient$4.class
..........\..........\ChatClient$5.class
..........\..........\ChatClient$6.class
..........\..........\ChatClient$7.class
..........\..........\ChatClient$8.class
..........\..........\ChatClient$9.class
..........\..........\ChatClient.class
..........\..........\ChatClient.java
..........\..........\ClientReceive.class
..........\..........\ClientReceive.java
..........\..........\ConnectConf$1.class
..........\..........\ConnectConf$2.class
..........\..........\ConnectConf$3.class
..........\..........\ConnectConf.class
..........\..........\ConnectConf.java
..........\..........\UserConf$1.class
..........\..........\UserConf$2.class
..........\..........\UserConf$3.class
..........\..........\UserConf.class
..........\..........\UserConf.java
..........\IM所需
..........\......\IP判断.txt
..........\......\JDK_API_1_6_zh_CN.CHM
..........\编码格式.txt