File list (Check if you may need any files):
TCPClient\.classpath
.........\.project
.........\.settings\org.eclipse.jdt.core.prefs
.........\bin\business\Client.class
.........\...\graphic\MainClient$1.class
.........\...\.......\MainClient$2.class
.........\...\.......\MainClient.class
.........\...\tools\Constant.class
.........\src\business\Client.java
.........\...\graphic\MainClient.java
.........\...\tools\Constant.java
...Server\.classpath
.........\.project
.........\.settings\org.eclipse.jdt.core.prefs
.........\bin\business\Server.class
.........\...\graphic\MainServer$1.class
.........\...\.......\MainServer$2.class
.........\...\.......\MainServer.class
.........\...\tools\Constant.class
.........\src\business\Server.java
.........\...\graphic\MainServer.java
.........\...\tools\Constant.java
UDPClient\.classpath
.........\.project
.........\.settings\org.eclipse.jdt.core.prefs
.........\bin\business\Client.class
.........\...\graphic\MainClient$1.class
.........\...\.......\MainClient$2.class
.........\...\.......\MainClient.class
.........\...\tools\Constant.class
.........\src\business\Client.java
.........\...\graphic\MainClient.java
.........\...\tools\Constant.java
...Server\.classpath
.........\.project
.........\.settings\org.eclipse.jdt.core.prefs
.........\bin\business\Server.class
.........\...\graphic\MainServer$1.class
.........\...\.......\MainServer$2.class
.........\...\.......\MainServer.class
.........\...\tools\Constant.class
.........\src\business\Server.java
.........\...\graphic\MainServer.java
.........\...\tools\Constant.java