What is classes and object explain?

It is a user-defined data type, which holds its own data members and member functions, which can be accessed and used by creating an instance of that class . A C++ class is like a blueprint for an object. For Example: Consider the Class of Cars.15 Ara 2021

a class describes the contents of the objects that belong to it : it describes an aggregate of data fields (called instance variables), and defines the operations (called methods). object: an object is an element (or instance) of a class; objects have the behaviors of their class.

An object is an entity having a specific identity, specific characteristics and specific behavior . Taking a car as an example of an object, it has characteristics like colour, model, version, registration number, etc. It has behaviours like start the engine, stop the engine, accelerate the car, apply the brakes, etc.