Object-Oriented Programming (OOP) Interview Questions and Answers
Object-Oriented Programming (OOP) is a popular programming paradigm that has been widely used in software development for decades. If you’re looking to land a job as a software developer, you’ll need to have a solid understanding of OOP concepts and principles.
To help you prepare for your next OOP interview, we have compiled a list of the most commonly asked OOP interview questions and answers. This PDF contains 50 Q&A that cover topics such as inheritance, polymorphism, encapsulation, abstraction, and more.
OOP Interview Questions PDF
By studying these questions and answers, you’ll be well-prepared to tackle any OOP interview with confidence. So, let’s dive in and start preparing for your next OOP interview!
Contents
- What is Object-Oriented Programming (OOP)?
- What is a class in OOP?
- What is an object in OOP?
- What is encapsulation in OOP?
- What is inheritance in OOP?
- What is polymorphism in OOP?
- What are the four pillars of OOP?
- What is abstraction in OOP?
- What is a constructor in OOP?
- What is method overriding in OOP?
- What is method overloading in OOP?
- What is the difference between method overriding and method overloading?
- What is a static method in OOP?
- What is a static variable in OOP?
- What is an instance variable in OOP?
- What is a constructor overloading?
- What is an abstract class in OOP?
- What is an interface in OOP?
- What is multiple inheritance in OOP?
- What is a package in OOP?
- What is a namespace in OOP?
- What is the difference between a class and an object in OOP?
- What is the difference between a superclass and a subclass in OOP?
- What is the difference between composition and inheritance?
- What is the SOLID principle in OOP?
- What is the Single Responsibility Principle (SRP)?
- What is the OpenClosed Principle (OCP)?
- What is the Liskov Substitution Principle (LSP)?
- What is the Interface Segregation Principle (ISP)?
- What is the Dependency Inversion Principle (DIP) ?
- What is the difference between composition and aggregation?
- What is method hiding in OOP?
- What is the difference between early binding and late binding?
- What is the difference between shallow copying and deep copying?
- What is a design pattern in OOP?
- What is the Observer pattern?
- What is the Factory pattern?
- What is the Singleton pattern?
- What is the Builder pattern?
- What is the Prototype pattern?
- What is the MVC pattern?
- What is the MVVM pattern?
- What is the Dependency Injection pattern?
- What is the Command pattern?
- What is the Template Method pattern?
- What is the Iterator pattern?
- What is the Composite pattern?
- What is the Decorator pattern?
- What is the Adapter pattern?
- What is the Proxy pattern?
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