File list (Check if you may need any files):
chatroom
........\.classpath
........\.project
........\bin
........\...\client
........\...\......\myclient$1.class
........\...\......\myclient.class
........\...\demo
........\...\....\inter.class
........\...\....\interImpl.class
........\...\server
........\...\......\myserver.class
........\src
........\...\client
........\...\......\myclient.java
........\...\demo
........\...\....\inter.java
........\...\....\interImpl.java
........\...\server
........\...\......\myserver.java
client.jar
server.jar