Question

When the total number of iterations required is not known, the best type of loop to use is

a) for-loop
b) while-loop
c) do-while loop
d) switch-loop

Answer 1

A while-loop is best when the number of iterations isn't known, as it continues to execute based on a condition being true, making it more flexible than a for-loop or a do-while loop.

Step-by-step explanation:

When the total number of iterations required is not known, the best type of loop to use is b) while-loop. Unlike a for-loop that is generally used when the number of iterations is known, a while-loop is designed to continue executing as long as a certain condition remains true, making it more suitable for situations where the number of required iterations is uncertain. Meanwhile, a do-while loop also executes as long as a condition is true but guarantees at least one iteration, even if the condition is false initially. A switch-loop is not actually a loop, but a control statement that selects a block of code to be executed based on a specific value or variable.