How are instance variables different from class variables?

Instance variables are usually made locally within a class to refer to an object of the class. A class variable is made globally within a class as well as can be accessed in every instance of the class.

Class variables are stated with keyword static as well as Instance variables are stated with static keyword.

Class variables can be obtained anywhere in the class while an instance variable can be obtained in a specific object of the class.

Class variables can be obtained by making use of class name of object reference. Instance variables can be obtained only with the help of object reference.