File list (Check if you may need any files):
NetProject\.classpath
..........\.project
..........\bin\org\lxh\demo\echoserver\EchoClient.class
..........\...\...\...\....\..........\EchoServer.class
..........\...\...\...\....\....threadserver\EchoServer.class
..........\...\...\...\....\................\EchoThread.class
..........\...\...\...\....\helloserver\HelloClient.class
..........\...\...\...\....\...........\HelloServer.class
..........\...\...\...\....\udpdemo\UDPReceive.class
..........\...\...\...\....\.......\UDPSend.class
..........\src\org\lxh\demo\echoserver\EchoClient.java
..........\...\...\...\....\..........\EchoServer.java
..........\...\...\...\....\....threadserver\EchoServer.java
..........\...\...\...\....\................\EchoThread.java
..........\...\...\...\....\helloserver\HelloClient.java
..........\...\...\...\....\...........\HelloServer.java
..........\...\...\...\....\udpdemo\UDPReceive.java
..........\...\...\...\....\.......\UDPSend.java
..........\bin\org\lxh\demo\echoserver
..........\...\...\...\....\echothreadserver
..........\...\...\...\....\helloserver
..........\...\...\...\....\udpdemo
..........\src\org\lxh\demo\echoserver
..........\...\...\...\....\echothreadserver
..........\...\...\...\....\helloserver
..........\...\...\...\....\udpdemo
..........\bin\org\lxh\demo
..........\src\org\lxh\demo
..........\bin\org\lxh
..........\src\org\lxh
..........\bin\org
..........\src\org
..........\bin
..........\src
NetProject