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Object-Oriented Programming (OOP) Concepts

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1. : Which of the following is NOT a pillar of Object-Oriented Programming (OOP)?





2. : What is encapsulation in OOP?





3. : Which OOP concept allows a class to derive properties and behavior from another class?





4. : What is polymorphism in OOP?





5. : In OOP, what does abstraction mainly focus on?





6. : Which keyword is used to create an object in Java?





7. : What is a constructor in OOP?





8. : Which OOP concept helps in achieving “code reusability”?





9. : What type of method is declared inside an abstract class without implementation?





10. : Which of the following best describes a class in OOP?





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