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Q) What is synchronization? Is it applied to the object or the class (stack block) is locked?



A)
->if the static method is synchronized, this is not allowed in static method.
Synchronized (Account.class)
{
   ---
   ---
}
->If static method Synchronized - class locked.
->if instance method synchronized- object locking.

Q) Example program on method level and block level Synchronized
A)

->mostly used in block level synchronization, because non-synchronization methods are brought to synchronize for execution.

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