Any concept of shared memory in Java

Question

AFAIK, memory in Java is based on heap from which the memory is allotted to objects dynamically and there is no concept of shared memory.

If there is no concept of s

Answer 1

Similar to Peter Lawrey's Java Chronicle, you can try Jocket.

It also uses a MappedByteBuffer but does not persist any data and is meant to be used as a drop-in replacement to Socket / ServerSocket.

Roundtrip latency for a 1kB ping-pong is around a half-microsecond.