File list (Check if you may need any files):
ClienteChat
...........\build
...........\build.xml
...........\.....\classes
...........\.....\.......\clientechat
...........\.....\.......\...........\EscucharMensajes.class
...........\.....\.......\...........\Principal.class
...........\.....\.......\...........\Principal.rs
...........\.....\.......\...........\VentanaClienteChat$1.class
...........\.....\.......\...........\VentanaClienteChat$2.class
...........\.....\.......\...........\VentanaClienteChat$3.class
...........\.....\.......\...........\VentanaClienteChat.class
...........\manifest.mf
...........\nbproject
...........\.........\build-impl.xml
...........\.........\genfiles.properties
...........\.........\private
...........\.........\.......\private.properties
...........\.........\.......\private.xml
...........\.........\project.properties
...........\.........\project.xml
...........\src
...........\...\clientechat
...........\...\...........\Principal.java
...........\test
ServidorChat
............\build
............\build.xml
............\.....\classes
............\.....\.......\servidorchat
............\.....\.......\............\HiloAtencion.class
............\.....\.......\............\Principal.class
............\manifest.mf
............\nbproject
............\.........\build-impl.xml
............\.........\genfiles.properties
............\.........\private
............\.........\.......\private.properties
............\.........\.......\private.xml
............\.........\project.properties
............\.........\project.xml
............\src
............\...\servidorchat
............\...\............\Principal.java
............\test