What is the mai differece between a while loop and a do while loop.

1.	What is the mai differece between a while loop and a do while loop.
Answer» Do while loop is generally used when user don\'t know in advance how many times loop will be executed and user want it to execute it at least one time. It is an exit controlled loop.While loop is generally used when user don\'t know in advance how many times loop will be executed . It is an entry controlled loop

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