Below are the Abstract Class Interview Questions for beginners and experienced developers for Interview Preparation. What is the need for abstract classes? Abstract classes allow…
Before understanding the abstract class let’s understand the abstract methods. Abstract Method The abstract method is a method without implementation. i.e. Abstract method just has…
Polymorphism meaning Polymorphism is a Greek word constructed from two words, poly and morph. The word poly means many and morph means changing forms. polymorphism…
What is inheritance? Inheritance is the process of deriving quality from the parent. In object-oriented programming (OOP), it is the process of creating a class…
What is constructor with example Constructors are special methods inside a class that is called when an object is instantiated. In other words, when we…
In object-oriented programming people often get confused with encapsulation and abstractions. Encapsulation in programming is the process of encapsulating data members and data methods into…
Introduction In Simple terms, Abstraction is the process of hiding the irrelevant information in a higher degree and only showing essential thing to the user.…
In object-oriented programming (OOP), object and class play an essential role; In fact, OOP is based on object and class. Definition of Objects An object is any real-time…
Introduction to object-oriented programming As the software becomes more complicated, The codebase is becoming huge with more program logic. So, it is necessary to think…