File list (Check if you may need any files):
udp
...\.classpath
...\.project
...\.settings
...\.........\org.eclipse.jdt.core.prefs
...\bin
...\...\cn
...\...\..\edu
...\...\..\...\cust
...\...\..\...\....\udp
...\...\..\...\....\...\Client.class
...\...\..\...\....\...\ClientBean.class
...\...\..\...\....\...\ClientThread.class
...\...\..\...\....\...\DataGramHelper.class
...\...\..\...\....\...\Server.class
...\src
...\...\cn
...\...\..\edu
...\...\..\...\cust
...\...\..\...\....\udp
...\...\..\...\....\...\Client.java
...\...\..\...\....\...\ClientBean.java
...\...\..\...\....\...\ClientThread.java
...\...\..\...\....\...\DataGramHelper.java
...\...\..\...\....\...\Server.java