Instance Variable

Definition

An instance variable is a variable that belongs to an object and holds unique data for each instance of the class. It is declared within a class but outside any method.

Related terms

Class Variable: A class variable is a variable that belongs to the entire class rather than individual instances. It is shared among all instances of the class.

Local Variable:

A local variable is a variable that is declared and used within a specific method or block of code. It exists only within that scope.

Global Variable: A global variable is a variable that can be accessed from anywhere in the program, regardless of scope or location.