The names.remove() method is used to remove an element from an ArrayList. It takes either the index at which you want to remove the element or the element itself.
Related terms
NullPointerException: An exception that occurs when trying to access or perform operations on an object that is currently set to null (i.e., does not refer to any valid memory location).
Deletion: Removing an element from a data structure, such as deleting an item from an array at a given index.
Element: A single item/value stored within a data structure.