OOPs Interview Questions for Junior Developers to Senior Architects

10

What is the significance of the "private" access modifier in a class?

1

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Why is code reusability important in Object-Oriented Programming?

2

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3

Can you give an example of abstraction in programming?

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4

Explain the difference between composition and inheritance. When would you prefer one over the other?

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5

What is the role of interfaces in achieving multiple inheritances in some programming languages?

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6

Explain the concept of method overloading and its significance in OOP. Provide an example.

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7

How does encapsulation contribute to the security and integrity of an application's data?

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8

Discuss the trade-offs between using an abstract class and an interface in a large-scale software architecture.

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9

How would you design a system to handle a complex business domain using OOP principles?

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10

Discuss the role of design patterns in Object-Oriented Software Development. Provide an example of a design pattern and explain its benefits.

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