Understanding ArrayLists in Java

Why do we need a new piece of paper each time we add an item to the grocery list?

• Because we want to keep the list organized

• Because the old paper gets dirty

• Because the old paper is lost

• Because we need more space for new items

What is the default size of an ArrayList in Java?

• 15

• 10

• 20

• 5

What happens when the number of items in an ArrayList exceeds its current size?

• It stops adding new items

• It creates a new array of the same size

• It creates a new array one size larger

• It throws an error

Which class should be used to store integer values in an ArrayList?

• int

• Integer

• integer

• Int

How do you import the ArrayList class in Java?

• import java.util.arraylist;

• import java.arraylist;

• import java.ArrayList;

• import java.util.ArrayList;