most simple client server communication procedures with the Notes are learning when I write, java beginners want to useful

Packet : 49636961echoexam.rar filelist
EchoExam
EchoExam\EchoClient1.java
EchoExam\EchoServer1.java
EchoExam\EchoClient1.class
EchoExam\EchoServer1.class

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