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How do I implement a daytime server in Java?
You can either use a TCP or UDP version. With UDP, you will have to use a DatagramSocket to create and listen to a port. With TCP (see example), you need to instantiate a ServerSocket. The daytime port is 13. The server just creates a thread that loops indefinitely waiting for requests from clients and returns the current date.

To test out following server, compile the source of DaytimeClient (see DaytimeClient) and run it using

 
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DaytimeServer.java:

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Further Information
Author of answer: Joris Van den Bogaert

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