java achieve within the network and the network communication, java p2p, java nat penetrating

TestP2P-UDP
...........\.classpath
...........\.project
...........\.settings
...........\.........\org.eclipse.jdt.core.prefs
...........\bin
...........\...\xwz
...........\...\...\p2p
...........\...\...\...\upd
...........\...\...\...\...\client
...........\...\...\...\...\......\HeartThread.class
...........\...\...\...\...\......\MainClient.class
...........\...\...\...\...\server
...........\...\...\...\...\......\MainServer.class
...........\...\...\...\...\util
...........\...\...\...\...\....\ConnectionClientInfo.class
...........\...\...\...\...\....\MyProtocol.class
...........\...\...\...\...\....\StringUtil.class
...........\...\进度.txt
...........\src
...........\...\xwz
...........\...\...\p2p
...........\...\...\...\upd
...........\...\...\...\...\client
...........\...\...\...\...\......\HeartThread.java
...........\...\...\...\...\......\MainClient.java
...........\...\...\...\...\server
...........\...\...\...\...\......\MainServer.java
...........\...\...\...\...\util
...........\...\...\...\...\....\ConnectionClientInfo.java
...........\...\...\...\...\....\MyProtocol.java
...........\...\...\...\...\....\StringUtil.java
...........\...\进度.txt

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