File list (Check if you may need any files):
QQsimulator\Data\chat_Data.MDF
...........\....\chat_Log.LDF
...........\liaotian\.classpath
...........\........\.project
...........\........\aaa_message.txt
...........\........\AppServer.class
...........\........\AppServer.java
...........\........\badword.txt
...........\........\ccc_message.txt
...........\........\Champicons Icon 19.ico
...........\........\Chat.class
...........\........\Chat.java
...........\........\ChatClient.class
...........\........\ChatClient.java
...........\........\ChatRoom$1.class
...........\........\ChatRoom$2.class
...........\........\ChatRoom$3.class
...........\........\ChatRoom$4.class
...........\........\ChatRoom$5.class
...........\........\ChatRoom$6.class
...........\........\ChatRoom$7.class
...........\........\ChatRoom$8.class
...........\........\ChatRoom$Windowclose.class
...........\........\ChatRoom.class
...........\........\ChatRoom.java
...........\........\chenmin_message.txt
...........\........\client.bat
...........\........\Clock$1.class
...........\........\Clock.class
...........\........\CLOCK.ICO
...........\........\Clock.java
...........\........\Connection.class
...........\........\Connection.java
...........\........\Customer.class
...........\........\Customer.java
...........\........\DB.class
...........\........\DB.java
...........\........\Exit.class
...........\........\Exit.java
...........\........\face\1.JPG
...........\........\....\2.JPG
...........\........\....\3.JPG
...........\........\....\face.ini
...........\........\HaHa.ico
...........\........\HeadFile.properties
...........\........\images\appico.jpg
...........\........\......\btnCancel.jpg
...........\........\......\btnClock.jpg
...........\........\......\btnExit.jpg
...........\........\......\btnLogin.jpg
...........\........\......\btnRegister.jpg
...........\........\......\chat.jpg
...........\........\......\CLOCK.ICO
...........\........\......\login.gif
...........\........\......\loginlogo.jpg
...........\........\......\register.jpg
...........\........\......\registerlogo.jpg
...........\........\......\serverip.gif
...........\........\log.txt
...........\........\Login.class
...........\........\Login.java
...........\........\Message.class
...........\........\Message.java
...........\........\message.txt
...........\........\Register$1.class
...........\........\Register.class
...........\........\Register.java
...........\........\Register_Customer.class
...........\........\Register_Customer.java
...........\........\server.bat
...........\........\ServerFrame$1.class
...........\........\ServerFrame$2.class
...........\........\ServerFrame$3.class
...........\........\ServerFrame$4.class
...........\........\ServerFrame.class
...........\........\ServerFrame.java
...........\........\user.txt
...........\........\WordFilter.class
...........\........\WordFilter.java
...........\........\beans
...........\........\face
...........\........\images
...........\Data
...........\liaotian
QQsimulator