Explain Which of these methods deletes all the elements from invoking collection?

Question

Which of these methods deletes all the elements from invoking collection? (a) clear() (b) reset() (c) delete() (d) refresh() I have been asked this question in an international level competition. I'm obligated to ask this question of Collection Framework Overview in chapter java.util – The Collections Framework of Java Select the correct answer from above options

Answer 1

The correct choice is (a) clear() To explain I would say: clear() method removes all the elements from invoking collection.