File list (Check if you may need any files):
QQ
..\bak
..\...\qq
..\...\..\Chat.java~1~
..\...\..\Chat.java~2~
..\...\..\Chat.java~3~
..\...\..\Chat.java~4~
..\...\..\Chat.java~5~
..\...\..\Client.java~1~
..\...\..\Server.java~1~
..\...\..\Server.java~2~
..\...\..\Server.java~3~
..\...\..\Server.java~4~
..\...\..\Server.java~5~
..\...\..\Server.java~6~
..\...\..\Server.java~7~
..\...\..\Server.java~8~
..\...\..\Server.java~9~
..\classes
..\.......\package cache
..\.......\.............\qq.dep2
..\.......\qq
..\.......\..\Chat$1.class
..\.......\..\Chat$2.class
..\.......\..\Chat.class
..\.......\..\Client.class
..\.......\..\Server.class
..\QQ.jpx
..\QQ.jpx.local
..\QQ.jpx.local~
..\QQ.jpx~
..\src
..\...\qq
..\...\..\Chat.java
..\...\..\Client.java
..\...\..\Server.java