Open source Java proponents want to modernize the Java memory model, which has not been formally updated in more than nine years, and focus on concurrency. A JEP (JDK Enhancement Proposal), number ...

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.

The Java memory model guarantees the same visibility semantics for exiting of synchronized regions as it does for volatile memory operations, so we should expect to see another memory barrier.