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When I use synchronized on a method in an interface, the compiler emits an error. Can you tell me why this happens?
What is the reason (logically) that synchronized cannot be applied to a method on an interface?
I tried to make an Interface over Threadpool in this link.
Help me to make Interface in my above code.
Because
synchronizedis an implementation detail. One implementation of the method might need to make the method synchronized, whereas another one might not need it. The caller doesn’t care whether the method is synchronized or not. It’s not part of the contract, which tells what the method does. Which synchronization technique, if any, is used to fulfill the contract is irrelevant.