| Object | Class |
| A real-world entity which is an instance of a class | A class is basically a template or a blueprint within which objects can be created |
| An object acts like a variable of the class | Binds methods and data together into a single unit |
| An object is a physical entity | A class is a logical entity |
| Objects take memory space when they are created | A class does not take memory space when created |
| Objects can be declared as and when required | Classes are declared just once |