File list (Check if you may need any files):
Chat
....\build
....\.....\classes
....\.....\.......\chat
....\.....\.......\....\Client$1.class
....\.....\.......\....\Client$2.class
....\.....\.......\....\Client$3.class
....\.....\.......\....\Client.class
....\.....\.......\....\UserThread.class
....\.....\.......\Server
....\.....\.......\......\ClientThread.class
....\.....\.......\......\Server.class
....\.....\.......\......\ServerThread.class
....\build.xml
....\manifest.mf
....\nbproject
....\.........\build-impl.xml
....\.........\genfiles.properties
....\.........\private
....\.........\.......\private.properties
....\.........\.......\private.xml
....\.........\project.properties
....\.........\project.xml
....\src
....\...\chat
....\...\....\Client.form
....\...\....\Client.java
....\...\....\UserThread.java
....\...\Server
....\...\......\ClientThread.java
....\...\......\Server.java
....\...\......\ServerThread.java
....\test