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What is the difference between a while and do-while loop ?

Java Iterative Stmts

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Answer

while loopdo-while loop
while is an entry-controlled loop.do-while is an exit-controlled loop.
while loop checks the test condition at the beginning of the loop.do-while loop checks the test condition at the end of the loop.
while loop executes only if the test condition is true.do-while loop executes at least once, even if the test condition is false.
while loop is helpful in situations where number of iterations is not known.do-while loop is suitable when we need to display a menu to the user.
Syntax:
while(test condition)
{

}
Syntax:
do
{

}while(condition);

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