![]() ![]() ![]() Inheritance is another Object-Oriented design technique, which allows code reuse. the first section contains interview questions from Object-Oriented Programming concepts and fundamentals, and in the second section, you will see some frequently asked OOP interview questions from Programming Job interviews that focus on Java programming language as well as some questions on Object-Oriented design patterns, and principles. This article is divided into two sections. If you love to learn more about the OOP design principle, read 10 OOP design principles for Java programmers. Some questions are very fundamental and some Object-oriented programming and design questions are difficult to answer but this mix helps to learn more. ![]() In this Java article, we will see some frequently asked OOS interview questions and answers. On Freshers and Beginners level interview, OOP Interview questions are mostly based on fundamentals only with some tricky Java questions like why Java doesn't support multiple inheritances, etc. Question from OOP or object-oriented programming is also asked as part of Java design pattern question on Senior level Java interview. Object-Oriented Programming Interview question in Java is mainly based around fundamental OOP concept and how those are implemented in Java, like Abstraction OOP concept is implemented using an interface and abstract class, Encapsulation is using private keyword, etc. Since Java is an Object-oriented programming language, it's expected from Java developers that he is good at Object-oriented analysis and design and familiar with essential OOP concepts like Abstraction, Encapsulation, and Polymorphism. OOP Interview questions or Object-oriented programming and design interview question are an integral part of any programming job interviews like Java, C++, or C#. ![]()
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