#64 bit operation in java

long/double are not atomic in Java

So I have been reading a lot of texts lately. Java Concurrency in Practice is probably one of the best book written for concurrent programming in Java. Though this book is written prior to Java 7, but it is still valid and did a excellent job explaining all the fundamentals.

While reading, I came across a paragraph entitled “Nonatomic 64-bit operations“. I actually never knew that in java 64-bit