Difference between Object And Class
Contents
Comparison between Class and Object
The Key Difference Between Object And Class is that Class is a blueprint that can be used to create various instances. Whereas Object is one of the instances of a class.
Comparison Chart
| Class | Object |
|---|---|
| Class never occupies any memory. | Object occupies memory. |
| Class is a blueprint to define the structure of object. | Object is instance of a class |
| Class does not have a lifespan. | object has a life span, based on the declaration. |
| Class is a logical entity. | Object is a physical entity. |
| Class can only be declared once. | Object can be declared multiple times |
| Class creates using the “class” keyword. | Object creation using the “new” keyword in Java. |
| No memory is allocated when a class is declared. | Memory is allocated as object is created. |
| Example: Car | Example: TATA, Mahindra, Force |