Java / volatile
Difference between synchronized and volatile:
|Synchronized block applies only to object.||volatile keyword can be applied to Object or primitive types.|
|Synchronized block does not work on null. Attempting to synchronize on a null object will throw a NullPointerException.||volatile variables can be null.|
|synchronized blocks other threads while one thread is accessing the block.||volatile does not block any threads.|
|synchronization occurs when you enter a synchronized block.||synchronization occurs when a volatile variable is accessed.|
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