File list (Check if you may need any files):
QQ\.classpath
QQ\.fatjar
QQ\.project
QQ\11\friends.txt
QQ\11\my.txt
QQ\22\friends.txt
QQ\22\my.txt
QQ\33\friends.txt
QQ\33\my.txt
QQ\44\friends.txt
QQ\44\my.txt
QQ\55\friends.txt
QQ\55\my.txt
QQ\a\friends.txt
QQ\a\my.txt
QQ\abcd\my.txt
QQ\bin\com\ChatFrame$1.class
QQ\bin\com\ChatFrame$2.class
QQ\bin\com\ChatFrame.class
QQ\bin\com\CommThread.class
QQ\bin\com\DB.class
QQ\bin\com\FileReceiverThread.class
QQ\bin\com\FileRecvListenThread.class
QQ\bin\com\HelpTool.class
QQ\bin\com\ListenThread.class
QQ\bin\com\LoginFrame$1.class
QQ\bin\com\LoginFrame$2.class
QQ\bin\com\LoginFrame$3.class
QQ\bin\com\LoginFrame$4.class
QQ\bin\com\LoginFrame.class
QQ\bin\com\MainFrame$1.class
QQ\bin\com\MainFrame$2.class
QQ\bin\com\MainFrame$3.class
QQ\bin\com\MainFrame$4.class
QQ\bin\com\MainFrame$MyCellRenderer.class
QQ\bin\com\MainFrame.class
QQ\bin\com\ModifyFrame$1.class
QQ\bin\com\ModifyFrame$2.class
QQ\bin\com\ModifyFrame.class
QQ\bin\com\Person.class
QQ\bin\com\RecvThread.class
QQ\bin\com\RegFrame$1.class
QQ\bin\com\RegFrame$2.class
QQ\bin\com\RegFrame$3.class
QQ\bin\com\RegFrame.class
QQ\bin\com\SendFileThread.class
QQ\bin\com\TestServer.class
QQ\bin\Sample\BackgroundSample$1.class
QQ\bin\Sample\BackgroundSample.class
QQ\bin\Sample\ComboBoxCellRenderer.class
QQ\bin\Sample\InstallData.class
QQ\bin\Sample\Test.class
QQ\bin\Sample\TestList.class
QQ\bolong\friends.txt
QQ\bolong\my.txt
QQ\c\friends.txt
QQ\c\my.txt
QQ\d\friends.txt
QQ\d\my.txt
QQ\f\friends.txt
QQ\f\my.txt
QQ\haha\friends.txt
QQ\haha\my.txt
QQ\li\friends.txt
QQ\li\my.txt
QQ\liu\friends.txt
QQ\liu\my.txt
QQ\lixia\friends.txt
QQ\lixia\my.txt
QQ\okok\friends.txt
QQ\okok\my.txt
QQ\password.txt
QQ\PersonDB_Data(1).MDF
QQ\PersonDB_Log(1).LDF
QQ\qwe\friends.txt
QQ\qwe\my.txt
QQ\readme.txt
QQ\server.txt
QQ\sql.sql
QQ\src\com\ChatFrame.java
QQ\src\com\CommThread.java
QQ\src\com\DB.java
QQ\src\com\FileReceiverThread.java
QQ\src\com\FileRecvListenThread.java
QQ\src\com\HelpTool.java
QQ\src\com\ListenThread.java
QQ\src\com\LoginFrame.java
QQ\src\com\MainFrame.java
QQ\src\com\ModifyFrame.java
QQ\src\com\Person.java
QQ\src\com\RecvThread.java
QQ\src\com\RegFrame.java
QQ\src\com\SendFileThread.java
QQ\src\com\TestServer.java
QQ\src\Sample\BackgroundSample.java
QQ\src\Sample\ComboBoxCellRenderer.java
QQ\src\Sample\Test.java
QQ\src\Sample\TestList.java
QQ\test1\friends.txt
QQ\test1\my.txt