4. Data Collections

Arraylist Methods — Quiz

Test your understanding of arraylist methods with 5 practice questions.

Practice Questions

Question 1

What is the main purpose of the add method for an ArrayList?

Question 2

What does the size method return for an ArrayList?

Question 3

If an ArrayList has $4$ elements, what is the index of the last element?

Question 4

What happens when remove is called with an index that is within the list range?

Question 5

Which method would you use to look at the element stored at a specific position without changing the list?