Ask students "do you know in advance how many times you'll need to go through the loop?" when deciding between using a for or a while loop, because this is a good rule of thumb for them to use.
Share Ask students "do you know in advance how many times you'll need to go through the loop?" when deciding between using a for or a while loop, because this is a good rule of thumb for them to use. with FacebookShare Ask students "do you know in advance how many times you'll need to go through the loop?" when deciding between using a for or a while loop, because this is a good rule of thumb for them to use. with Twitter
- This question is a good is a great tool for choosing between for and while loops.
- Give several small examples of looping problems, and ask the class which loop structure is appropriate, without writing any code. Once you reach a consensus, go back and explicitly write the code in the language you are using.