File list (Check if you may need any files):
com
...\systinet
...\........\simplechat
...\........\..........\server
...\........\..........\......\iface
...\........\..........\......\.....\ChatMessage.java
...\........\..........\......\.....\ChatPerson.java
...\........\..........\......\.....\IChatService.java
...\........\..........\......\impl
...\........\..........\......\....\ChatServerApp.java
...\........\..........\......\....\ChatService.java
...\........\..........\......\....\SimpleBackendImpl.java