key term - Size()

Definition

The size() method is used to determine the total number of elements present in a collection, such as a list or array.

Related terms

isEmpty(): This method checks if a collection is empty and returns true if it is, false otherwise.

add():

The add() method adds an element to the end of a collection and increases its size by one.

remove():

This method removes an element from a collection and decreases its size by one.