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How Volatile in Java works Example of volatile keywor

Volatile keyword in Java is used as an indicator to Thread that do not cache value of this variable and always read it from main memory.
http://javarevisited.blogspot.com/2011/06/volatile-keyword-java-example-tutorial.html

Description:

To Understand example of volatile keyword in java let’s go back to Singleton Pattern in Java
and see double checked locking in Singleton with Volatile and without volatile keyword in java.

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