Page 179 Exercise 6 (a, b) 6.This exercise uses EchoServer1 andEchoClient1, which use connectionless datagram sockets for the Echo service. Compile Echo*1.java (javac Echo*1.java). Then: a.Run the programs by starting the server first (don’t forget to specify a port number as a command-line argument), then the client. Conduct a session and observe the diagnostic messages displayed on both sides. Describe your observations of the sequence of events. b.With the server running, start two clients in separate windows. Can you conduct two client sessions in parallel? Describe and explain your observations. Do your observations agree with the sequence diagram in Figure 5.23?
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