Java bounded non-blocking buffer for high concurrent situation

Question

Basically I need a data structure to store the temporary chatting messages on the server side. It should be:

• bounded: because I don\'t need store too many messa

Answer 1

You could utilize the Apache Commons CircularFifoBuffer. It meets your first and last criteria. To support concurrency, you can wrap the base buffer in it's synchronized version like so:

Buffer fifo = BufferUtils.synchronizedBuffer(new CircularFifoBuffer());

Good luck on the project.