1. What does OOP stand for?
Explanation: OOPS is the abbreviation for Object-Oriented Programming.
Report for correction2. In OOPS; an object is an instance of what?
Explanation: Object is an instance of a class that has its own state and access to all of the behaviour defined by its class.
Report for correction3. Which OOPS principle promotes the reusability of code by allowing a class to inherit the properties and methods of another class?
Explanation: Allowing a class to inherit the properties and methods of another class is called Inheritance.
Report for correction4. Which of the following is not a OOPS principle?
Explanation: All others are part of OOPS principle.
Report for correction5. Hiding implementation details and exposing only necessary information is called?
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Report for correction6. Polymorphism allows objects of different classes to be treated as objects of a common _______?
Explanation: Polymorphism allows objects of different classes to be treated as objects of a common Super class.
Report for correction7. Which OOPS principle emphasizes bundling data and methods that operate on that data into a single unit?
Explanation: Encapsulation emphasizes bundling data and methods that operate on that data into a single unit.
Report for correction8. In OOPS; the process of creating a new object from a class is called what?
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Report for correction9. Which OOPS principle allows a class to have multiple methods with the same name but different parameters?
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Report for correction10. Which OOPS principle allows you to define a blueprint for creating objects with a set of attributes and behaviors?
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Report for correction11. Which OOPS principle ensures that a class can be used as a blueprint to create objects; but cannot be instantiated itself?
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Report for correction12. In OOPS; a method that has the same name as the class and is automatically called when an object is created is called as what?
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Report for correction13. Which OOPS principle allows you to restrict access to certain parts of a class and its data?
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Report for correction14. In OOPS; a "has-a" relationship between classes is implemented using what?
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Report for correction15. Which keyword is used to indicate that a method in a subclass is intended to override a method in the superclass?
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Report for correction16. Which OOPS concept allows you to define a contract that specifies a set of methods a class must implement?
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Report for correction17. Which OOPS principle encourages the separation of a complex system into smaller; manageable classes and objects?
Explanation: Abstraction is a act of representing complex systems or ideas in a simplified way that can be easily understood
Report for correction18. Which OOPS concept allows you to change the behavior of a class without modifying its source code?
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Report for correction19. In OOPS; a method that is defined in a superclass and can be overridden by its subclasses is called as what?
Explanation: We can override superclass methods so that meaningful implementation of superclass method can be defined in subclass. This is also known as runtime polymorphism.
Report for correction20. Which OOPS concept allows you to define default implementations for methods in an interface?
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Report for correction21. Which keyword is used to make a class member accessible without needing to create an instance of the class?
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