Lets say if main method we make it as private?What will happen?

Explaination: When main method is make it as private, it will shows you message says "Main method not public" during runtime.Of course it will compile properly.

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When two procession trying to access memory at the same time , we called this as mutual exclusion.To deal with this , Java provides many utilities to create threaded programming.

To deal with , just use the synchronized keyword means to synchronization.

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