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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