Can you please define the uses of Concurrency and Actor Model?

1.	Can you please define the uses of Concurrency and Actor Model?
Answer» Can you please define the USES of Concurrency and Actor Model? If you are a java developer you MAY know that Java must follow the conventional thread based concurrency model and this approach will split the PROGRAM into several concurrently running tasks during execution. Where as on another side in Scala we uses actor model where we can define each OBJECT as an actor with unique behavior and mailbox. So scala will simplifies the thread communication and CONTROL and this will enhance the eficiency of the process.

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