Which Loop to Use?
Learn when to use "for" and when to use the "while" loop in the code.
We'll cover the following
Discussion
for
loops are great because they include the notion of counting by default, avoiding the problem of infinite loops. However, it means you have to know how many times you want the loop to run as soon as you write your code. For situations where you don’t already know how many times the code should run, while
loops make sense.
while
loop example
Here’s a while loop use case in which a random number from 0
- 9
is given. The loop keeps incrementing the number until it reaches 10
and then terminates.
Get hands-on with 1200+ tech skills courses.