Class 12 OOP Classes And Objects Revision Notes

Class 12 Computer Science Study Guide: Class 12 OOP Classes And Objects Revision Notes

Access comprehensive study materials and useful resources for OOP Classes And Objects using the Class 12 OOP Classes And Objects Revision Notes. Designed to align with the 2026-27 CBSE academic guidelines, these advanced resources help Class 12 Computer Science students reinforce core concepts beyond standard textbooks.

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Class 12 OOP Classes And Objects Revision Notes
Class :- A class is collection of data (data member) and functions (member functions or methods) working on the data. It can be seen as a blue print for the object. No memory is allocated when a class is created. Memory is allocated only when an object is created.
Object :- An Object is an instance of the class.
Data member:- The data declared within the class.
Member functions :- Member functions are the methods which are declared/defined inside the class and operate upon the data member.
Data Abstraction: - Data abstraction represents essential features without including background details.
Data Encapsulation:- Binds the data and its functions into a single unit called class.
Data hiding:- Hides internal object details (data members). Data hiding ensures exclusive data access to class members and protects object integrity by preventing unintended or intended changes.
Inheritance: Inheritance is the process of forming a new class from an existing class or base class.
Base Class :- The class from which methods and data members are derived to new class is knows as base class. The base class is also known as parent class or super class.
Derived Class:- The class that is deriving data and methods from base class is called derive class.
Derived class is also known as a child class or sub class.
Polymorphism:- Poly means many and morphs mean form (Multiple Forms). Refers to the ability of processing of data in more than one form.
Access specifier :- private, protected, public (default access specifier is private)
Accessibility of private, protected and public members
 
Class 12 OOP Classes And Objects Revision Note
 

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CBSE Class 12 Computer Science Study Material: OOP Classes And Objects

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Complete Revision for Computer Science

For peak performance in upcoming evaluations, integrate official Computer Science sample papers directly into your study schedule. Follow up your revision by attempting online MCQ tests for OOP Classes And Objects to refine calculation speed and precision.

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What is included in the advanced study material for Class 12 Computer Science OOP Classes And Objects?

Our advanced study package for OOP Classes And Objects includes detailed concepts, diagrams, Mind Maps, and explanation of complex topics to ensure Class 12 students learn as per syllabus for 2026 exams.

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The Mind Maps provided for OOP Classes And Objects act as visual anchors which will help faster recall during high-pressure exams.

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Yes, teachers use our Class 12 Computer Science resources for lesson planning as they are in simple language and have lot of solved examples.

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Does this material cover rationalized content for the 2026-27 CBSE session?

Yes, our subject matter experts have updated the OOP Classes And Objects material to align with the rationalized NCERT textbooks and have removed deleted topics and added new competency-based questions.