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Look at the using the outputStream for the side that sends the data and the inputStream for the side that wants to read the data.

Do a Search on this forum for Socket, getInputStream( or...

Here's one way it could work
The server waits for the client to connect with the ServerSocket.
When the client connects to the server, the server gets an output stream from the socket and...

Sounds like a plan.
What do you have so far? Can you show the code and describe the problems you are having with it by commenting in the code where the problem is what how you'd like to change what...