Light
The names.add() method is used to add an element to an ArrayList. It takes two parameters: the index at which you want to insert the element and the value (element) itself.
An exception that occurs when trying to access or modify an element at an invalid index (e.g., outside the range).
Insertion: Adding an element into a specific position within a data structure, such as inserting an item into an array at a given index.
A single item/value stored within a data structure.