Class is a prototype of used to define the variables and methods common to all objects of certain kind.
A typical class definition consists of:
- Class declaration
- Class body
- Variables / Attributes (static / non-static)
- Methods (static / non-static)
- Constructors
- Finalize method (if cleaning up is necessary)

In the above Example
- Car : Class
- Price, Model, isTankEmpty : Class Variables/Member Variables
- drive(), getPetrol() : Member Method