In the above examples, java compiler doesn’t know the actual implementation class of Shape that will be used at runtime, hence runtime polymorphism. 4. Inheritance Inheritanceis the object-oriented programming
OOPs (Object-Oriented Programming System) is a programming concept, methodology, or paradigm, that is a core of Java programming used to design programming using classes and objects. The OOPs concepts in Java build on the four main principles. - Encapsulation: Binds data and operations that work...
Here SubClassB inherited the methodfoo()fromSuperClassA. Polymorphism:Polymorphism means taking many forms, where ‘poly’ means many and 'morph' means forms. Polymorphism allows you define one interface or method and have multiple implementations. In Java, there are two types of polymorphism: comp...
What is the benefit of using encapsulation in java programming? Well, at some point of time, if you want to change the implementation details of the class EmployeeCount, you can freely do so without affecting the classes that are using it. 5. Inheritance The process by which one class acqu...
1. What are some core concepts of OOPS in java? Core concepts of OOPs are : Polymorphism Abstraction Encapsulation Inheritance 2. What is Abstraction? Abstraction is a concept of showing only important information and hiding its implementation.This is one of the most asked Oops interview questions...
When the object data is not visible to the outer world, it creates data abstraction. If needed, access to the Objects’ data is provided through some methods. Abstraction in Java is implemented throughinterfacesandabstract classes. They are used to create a base implementation or contract for th...
( open,close,create,update,search,delete,modify)Discussion &Implementation Over Scanner10Introduction to Java ExceptionsException ObjectsConcept Exception HandlingImplementation OfTry, Catch, FinallyCreation Of User Define ExceptionConcept OfChaining InExceptionImplementation Of Rethrowing ExceptionDifference Between...
When the object data is not visible to the outer world, it creates data abstraction. If needed, access to the Objects’ data is provided through some methods. Abstraction in Java is implemented throughinterfacesandabstract classes. They are used to create a base implementation or contract for th...
Core Java - OOPs Concepts : Abstraction Interview Questions 56) What is abstraction?Abstraction is a process of hiding the implementation details and showing only functionality to the user.more details...Abstraction lets you focus on what the object does instead of how it does it....
Let’s see the implementation: classCar:#parent classdef__init__(self, name, mileage):self.name = nameself.mileage = mileagedefdescription(self):returnf"The {self.name} car gives the mileage of {self.mileage}km/l"classBMW(Car):#child classpassclassAudi(Car):#child classdefaudi_desc(sel...