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One thing to add is that if exception occur and you return something from catch block, but still the function will return value from finally block if any.

Java uses finally keyword while we use "try{} catch{}" to catch exceptions. "Finally" keyword ensures the code block after finally can always be executed no matter exceptions were found or not.

It is generally used to close any db connections or remove any object references that are no longer used after the method exits.

Finally block is executed even if there is an exception in the method.

The only time 'finally' block is not executed is if System.exit(0) is called in the try/catch block.

finally block are executed irrespective of whether there are an exception or not.this ensures that all the opened files are properly closed and all the running threads are properly terminated.so the data in the files will not be corrupted and the user is at the safe side.