![]() It masks the inner-workings of the technology itself so that the user only sees the surface level component needed to operate the technology." 5. The best way to highlight your understanding of the concept is to include a simple example in your answer.Įxample: "Abstraction can be defined as anything that simplifies technology for a user, like a power button. You must provide a detailed explanation in your answer. This question tests your knowledge of the basic concepts. What does abstraction mean in programming terminology? Related: 40 Common Java OOPS Interview Questions (With 4 Sample Responses) 4. In other words, polymorphism occurs when one particular symbol can have multiple meanings depending on the context it is in." This interviewer may use this question to gauge your ability to break down programming concepts in a way that anyone can understand them.Įxample: "Polymorphism means assigning behaviours or values of a subclass to something that was already a part of the main class. This question, in particular, aims to check how well you can communicate your ideas to others. Such questions are often asked to check both your knowledge of the basic concepts and your capability of processing the meaning of a question quickly and correctly. How would you describe polymorphism to someone? Read more: 23 Interview Tips: How to Get the Job 3. This question is often asked to gauge your understanding of the basic concepts and terminology.Įxample: "The four basic concepts of objected oriented programming are abstraction, encapsulation, inheritance and polymorphism." The interviewer may ask this follow-up question to the previous question, depending on how detailed your answer to the previous question was. It can be defined as programs that are groups of objects." 2. ![]() Also, try and define the concept in an engaging manner.Įxample: "OOPs stands for Object-Oriented Programming system, which is a term that Alan Key introduced in the late 1960s. Although the interviewer is asking for a basic definition, you must showcase your knowledge of the topic by adding a few additional details. This is a straightforward question, and this makes answering this one correctly all the more important for you. Here are the example answers to some of the most common questions about OOPs: 1. Read more: 9 Interface Interview Questions In Java (With Answers) Interview questions with example answers What is the significance of access specifiers in object-oriented programming? How would you accomplish data abstraction? What is a garbage collector in object-oriented programming?ĭefine exceptions in object-oriented programming. In a superclass, which member is not accessible to its subclass? Which feature in the OOPs model lets a class derive the features of another class?Ĭan C language be used for demonstrating polymorphism?Ĭan you create an application in Java without the implementation of object-oriented programming concepts? Which is the first object-oriented programming language? Who created the first-ever object-oriented language? What is another name for a ternary operator?ĭifferentiate between an interface and an abstract class.ĭifferentiate between polymorphism and abstraction. ![]() What is the difference between a friend function and a virtual function? What is the difference between coupling and cohesion?Ĭan you give an example of a virtual function? What is the difference between a class and a structure? Here are the 40 most commonly asked OOPs interview questions: Read more: How to Prepare for a Job Interview Top 40 OOPs interview questions In this article, we provide a list of the top 50 most commonly asked object-oriented programming based interview questions and some example answers to help you craft your own responses. Being prepared demonstrates to employers that you are worth their time and a qualified candidate to consider. ![]() For instance, if you are applying for a job that requires object-oriented programming (OOPs), you should review the common OOPs interview questions. Preparing for industry-related questions in an interview could increase your chances of getting hired. ![]()
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