When using a list iterator, on which condition will the IllegalStateException be thrown?
A) Calling remove after calling next.
B) Calling add after calling previous.
C) Calling remove after calling add.
D) Calling previous after calling previous.

Question

Quizplus · Accepted Answer

Calling remove after calling add without an intervening call to next or previous will throw an IllegalStateException because the iterator's state is not properly set for a remove operation.

When Using a List Iterator, on Which Condition Will the IllegalStateException