Deferred execution

A quick multiple-choice check before you move on. Answer every question, then submit to see how you did.

1.What happens when you call an iterator method?

2.Why is a throw for a null argument inside an iterator a problem?

3.What makes the outer method in the two-method pattern run immediately?

Answer every question to submit.

Module 3: Nothing Runs Until You Ask

A quick multiple-choice check before you move on. Answer every question, then submit to see how you did.

1.What happens when you call an iterator method?

2.Why is a throw for a null argument inside an iterator a problem?

3.What makes the outer method in the two-method pattern run immediately?

Answer every question to submit.