The textbook by Sumita Arora, published by Dhanpat Rai & Co. , is widely considered the gold standard for students following the ISC Board curriculum .

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The mechanism by which one class acquires the properties and functionalities of another class, promoting code reusability.

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: Includes exception handling, file handling, networking, and database connectivity. Key Features for Students

Wrapping data (variables) and code (methods) together as a single unit to protect data from unauthorized access.

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The book's power lies in its comprehensive coverage of the Class 12 theory and practical syllabus, which together account for the 70 (Theory) + 30 (Practical) mark split. While the exact edition may vary, the core curriculum is consistently covered, spanning several key units: