Q) What are the difference between static variables and instance variables?

A)

No	Static variables	No	Instance variables
1	Per class only one copy irrespective of number of  objects	1	Per object one separate copy
2	It is used to represent entire class information but not individual object information	2	Meant for representing individual object information
3	Doesn’t contribute to the size of object	3	Contribute to the size of the object
4	Shared by each object and manipulated by the behaviour of the object	4	Owned by one object
5	Comes into existence as soon as the class is loaded and before any object is created	5	Comes into existence only when object is created
6	memory is deallocated when class is unloaded	6	memory is deallodated only when the object is garbage collected
7	Both static and instance method can access them	7	Only instance methods can access them  and static methods can’t refer them
8	Can refer both of them with class name and object name	8	Can’t refer them with class