Java achieves abstraction using abstract classes and interfaces. Abstract classes can have both abstract methods and implemented methods, while interfaces define a contract that implementing classes must follow. 5. What is encapsulation, and why is it important? Encapsulation is the practice of restricti...
Multithreading is an important concept that helps to solve present-day coding and design problems. Hence, you can expectJava Multithreading interview questionsin systems design interviews at FAANG+ companies. Get Ready For Your Upcoming Technical Interview If you’re getting ready for your upcoming Jav...
Ans: Inheritance is one of main pillars of OOPs concept. Some objects share certain properties and behaviors. By using inheritance, a child class acquires all properties and behaviors of parent class. There are the following reasons to use inheritance in java. We can reuse ...
This set of Java Multiple Choice Questions & Answers (MCQs) focuses on “OOPs”. 1. Which of the following is not OOPS concept in Java? a) Inheritance b) Encapsulation c) Polymorphism d) Compilation View Answer 2. Which of the following is a type of polymorphism in Java? a) Compile ti...
Inheritance In C++ More OOPS ConceptsOOPS Overview and ConceptsOOPS Overview OOPS stand for Object-oriented programming (OOP) System. This is widely used in most of the programming languages like C++, Python, Java. It is a programming standard based on the concept of class and "objects". It...