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

MappedBus (http://github.com/caplogic/mappedbus) is a library I've added on github which enable IPC between multiple (more than two) Java processes/JVMs by message passing.

The transport can be either a memory mapped file or shared memory. To use it with shared memory simply follow the examples on the github page but point the readers/writers to a file under "/dev/shm/".

It's open source and the implementation is fully explained on the github page.