Oo operations on built in objects

Classes provide a means of bundling data and functionality together . Creating a new class creates a new type of object, allowing new instances of that type to be made. Each class instance can have attributes attached to it for maintaining its state.

DDU Design – Declare, Define, Use: A variable declaration gives the type. A function declaration tells how to use it, without bothering with how it works. A class declaration shows what an object will look like and what its available functions are .

DDU Design – Declare, Define, Use: A variable declaration gives the type. A function declaration tells how to use it, without bothering with how it works. A class declaration shows what an object will look like and what its available functions are .

The class is a blueprint that defines a nature of a future object. An instance is a specific object created from a particular class. Classes are used to create and manage new objects and support inheritance —a key ingredient in object-oriented programming and a mechanism of reusing code.