Example of realizing multithreaded communication function with java socket

This paper describes the method of realizing multi-threaded communication function with java socket. Share with you for your reference, as follows:

The previous article "method example of realizing single thread communication with java socket" talks about how to write the simplest java socket communication, but one problem in the example in the article is that the server can only accept one client request. When the first client connects, it occupies this position, and subsequent clients can't continue to connect, so some changes need to be made, When the server does not receive a client connection request, it puts the processing flow into an independent thread to run, and then waits for the next client connection request, so that the server side will not be blocked from receiving the request. Each independently running program should close the socket object after using it. The code is as follows:

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