What is difference between classes and objects?

Answer 1

Posted by : Govind Singh Lodhi

these are the following differences between java class and object.

1. Class is a way of bind data member and method in single unit where as a object is a value form of a class or a instance of a class that means allocating sufficient amount of memory space.

2. When we define a class ,there is no memory space allocated for data member of a class where as when we create a object of a class memory space is allocated for data members of a class.

3.Class will have exist logically where as object will have exist physically.

4.One class can have only one name where as corresponding one class we can create multiple object.

5.Class load in main memory by using class loader subsystem where as after load class we can create multiple objects of a class.

Answer 2

A class is a type while an object is an instance of a type.

Answer 3

A class is the definition of a type. An object is an instance of that type.