File list (Check if you may need any files):
AntranChat
..........\build
..........\.....\classes
..........\.....\.......\antranchat
..........\.....\.......\..........\CheckUser$1.class
..........\.....\.......\..........\CheckUser.class
..........\.....\.......\..........\lanchat
..........\.....\.......\..........\.......\Client.class
..........\.....\.......\..........\.......\ClientForm$1.class
..........\.....\.......\..........\.......\ClientForm$2.class
..........\.....\.......\..........\.......\ClientForm$3.class
..........\.....\.......\..........\.......\ClientForm.class
..........\.....\.......\..........\.......\CreateServerThread.class
..........\.....\.......\..........\.......\Server.class
..........\.....\.......\..........\.......\ServerForm$1.class
..........\.....\.......\..........\.......\ServerForm.class
..........\.....\.......\..........\Main.class
..........\.....\.......\..........\ToCenter.class
..........\.....\.......\..........\UserEntry$1.class
..........\.....\.......\..........\UserEntry$2.class
..........\.....\.......\..........\UserEntry$3.class
..........\.....\.......\..........\UserEntry$4.class
..........\.....\.......\..........\UserEntry.class
..........\build.xml
..........\manifest.mf
..........\nbproject
..........\.........\build-impl.xml
..........\.........\genfiles.properties
..........\.........\private
..........\.........\.......\private.properties
..........\.........\.......\private.xml
..........\.........\project.properties
..........\.........\project.xml
..........\src
..........\...\antranchat
..........\...\..........\CheckUser.form
..........\...\..........\CheckUser.java
..........\...\..........\lanchat
..........\...\..........\.......\Client.java
..........\...\..........\.......\ClientForm.form
..........\...\..........\.......\ClientForm.java
..........\...\..........\.......\CreateServerThread.java
..........\...\..........\.......\Server.java
..........\...\..........\.......\ServerForm.form
..........\...\..........\.......\ServerForm.java
..........\...\..........\Main.java
..........\...\..........\ToCenter.java
..........\...\..........\UserEntry.form
..........\...\..........\UserEntry.java
..........\test