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Master the Four Pillars of Object-Oriented Programming. Choose your preferred language and start building robust software.
4
Fundamental Pillars
23+
Design Patterns
50+
Interview Questions
3
Languages
Blueprint and instances of real-world entities
Bundling data and methods, hiding internal details
Creating new classes from existing ones
Same interface, different implementations
Hiding complexity, showing only essentials
Beginner Friendly
Learn OOP with the most popular enterprise language
Beginner Friendly
Master OOP concepts with clean Python syntax
Intermediate
Deep dive into OOP with powerful C++ features
Top 22 questions asked at FAANG & Product Companies
What are the 4 pillars of OOP?
Explain SOLID principles
Abstract Class vs Interface?
What is the Singleton Pattern?