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Differentiate between while() loop and do while () loop

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EXPLANATION:

  • Both types of loops repeat a block of statements until some condition becomes false.

  • The MAIN DIFFERENCE is that in a while loop, the test-condition is tested at the beginning of the loop, and in a do-while loop, the test-condition is tested at the end of the loop.

  • It is possible that the body of a while loop MIGHT not be executed at all.

  • However, The body of a do-while loop is executed at least once since the test-condition for ending the loop is not tested until the body of the loop as been executed.

  • While loop is an entry-controlled loop.

  • The do-while loop is an exit-controlled loop.


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