Examine this code and make the necessary additions in the places indicated by the commented lines.

1.If you haven’t already done so, compile and run the server program

DayTimeServer and its associated client, GetRemoteTime, from Section 2.3. 2.4 Program Echo is similar to program TCPEchoClient from Section 2.2.1, but

has a GUI front-end similar to that of program GetRemoteTime from Section

2. It provides an implementation of the echo protocol (on port 7). This

implementation sends one-line messages to a server and uses the following

components:

• a text field for input of messages (in addition to the text field for input

of host name);

• a text area for the (cumulative) echoed responses from the server;

• a button to close the connection to the host.

Some of the code for this program has been provided for you in file

Echo.java, a printed copy of which appears at the end of this chapter.

Examine this code and make the necessary additions in the places indicated

by the commented lines. When you have completed the program, run it and

supply the name holly.shu.ac.uk (or that of any other convenient server) when

prompted for a server name.

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