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Interview SkillsOOP

What are the four pillars of OOP? What is encapsulation and why does it matter? When do you prefer composition over inheritance? What is polymorphism and how is it used? What is abstraction in OOP? What does SOLID stand for? What is the difference between an interface and an abstract class? What is the difference between method overloading and overriding? What is dependency injection? What is the difference between coupling and cohesion?

OOP Interview Questions

Object-oriented design principles, class hierarchies, and polymorphism for software engineering interviews.

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