With the recent announcement of JEP 188: Java Memory Model Update, now seems like a good time to brush up on what you know about the JMM.

Authored by Doug Lea, JDK Enhancement Proposal 188 would update the Java Memory Model for concurrency support on multicore processors.

Peter Lawrey discusses Unsafe in Java 8, Project Panama in Java 17 and Java 19, including pactical uses with code examples, demo using Panama, Event Sourcing using shared memory with Chronicle Queue.