File list (Check if you may need any files):
Mychat
......\ChatClient
......\..........\CallClient.java
......\..........\CallServer.java
......\..........\CallToChatWithFriendFrame.java
......\..........\ChatClient.java
......\..........\ChatClientClass
......\..........\...............\CallClient$Listen.class
......\..........\...............\CallClient.class
......\..........\...............\CallServer$Client.class
......\..........\...............\CallServer$Watch.class
......\..........\...............\CallServer.class
......\..........\...............\CallToChatWithFriendFrame$1.class
......\..........\...............\CallToChatWithFriendFrame.class
......\..........\...............\ChatClient$1.class
......\..........\...............\ChatClient$Listen.class
......\..........\...............\ChatClient.class
......\..........\...............\ChatToFriendFrame$1.class
......\..........\...............\ChatToFriendFrame.class
......\..........\...............\ChatToGroupFrame$1.class
......\..........\...............\ChatToGroupFrame.class
......\..........\...............\CreaterGroupFrame$1.class
......\..........\...............\CreaterGroupFrame.class
......\..........\...............\FindFrame$1.class
......\..........\...............\FindFrame.class
......\..........\...............\FriendCellRenderer.class
......\..........\...............\FriendJListData.class
......\..........\...............\FriendShowJList$1.class
......\..........\...............\FriendShowJList$2.class
......\..........\...............\FriendShowJList.class
......\..........\...............\Group.class
......\..........\...............\GroupCellRenderer.class
......\..........\...............\GroupJListData.class
......\..........\...............\GroupShowJList$1.class
......\..........\...............\GroupShowJList$2.class
......\..........\...............\GroupShowJList.class
......\..........\...............\LoggingOnDialog$1.class
......\..........\...............\LoggingOnDialog$2.class
......\..........\...............\LoggingOnDialog.class
......\..........\...............\Person.class
......\..........\...............\RegisterFrame$1.class
......\..........\...............\RegisterFrame$Listen.class
......\..........\...............\RegisterFrame.class
......\..........\...............\UserConfigFrame$1.class
......\..........\...............\UserConfigFrame.class
......\..........\...............\images
......\..........\...............\......\chatTop.jpg
......\..........\...............\......\friend.jpg
......\..........\...............\......\group.jpg
......\..........\...............\......\head
......\..........\...............\......\....\boy.jpg
......\..........\...............\......\....\boyWhole.jpg
......\..........\...............\......\....\boyWholeBackup.jpg
......\..........\...............\......\....\boysmall.jpg
......\..........\...............\......\....\girl.jpg
......\..........\...............\......\....\girlWhole.jpg
......\..........\...............\......\....\girlWholeBackup.jpg
......\..........\...............\......\....\girlsmall.jpg
......\..........\...............\......\loginTop.jpg
......\..........\ChatClientWrap.class
......\..........\ChatClientWrap.jar
......\..........\ChatClientWrap.java
......\..........\ChatToFriendFrame.java
......\..........\ChatToGroupFrame.java
......\..........\CreaterGroupFrame.java
......\..........\FindFrame.java
......\..........\FriendCellRenderer.java
......\..........\FriendJListData.java
......\..........\FriendShowJList.java
......\..........\Group.java
......\..........\GroupCellRenderer.java
......\..........\GroupJListData.java
......\..........\GroupShowJList.java
......\..........\LoggingOnDialog.java
......\..........\MANIFEST.MF
......\..........\OpenCmd.bat
......\..........\Person.java
......\..........\RegisterFrame.java
......\..........\UserConfigFrame.java
......\..........\java ChatClientWrap.bat
......\..........\javac ChatClientWrap.bat
......\ChatServer
......\..........\ChatServer.java
......\..........\ChatServerClass
......\..........\...............\ChatServer$1.class