Sending a message to all clients (Client - Server communication)

Question

So now, I am making a client server app based multithread. In server side, I make a thread for everysingle connection that accepted.

In thread class, I make a method

Answer 1

Check out zeroMQ. There are methods known as "pub sub" or "publish subscribe" that will do what you want. You can also use it to communicate between your threads. It is an amazing library in my opinion. It has java or jzmq bindings along with over 30+ others as well so you should be able to use it in your program.

http://www.zeromq.org/