2.1 Abstract Class in Java 2.2 Interface in Java 3. Abstraction example 4. Abstraction vs Encapsulation 5. Conclusion 1. Introduction Abstraction is a concept of exposing only essential details and hiding implementation details. It is one of the essential OOPs concept apart from encapsulation, inheri...
Let's convert the Animal class we used in the Polymorphism chapter to an abstract class:Remember from the Inheritance chapter that we use the extends keyword to inherit from a class.ExampleGet your own Java Server // Abstract class abstract class Animal { // Abstract method (does not have ...
In simple terms, wrapping the data (state) and the methods (behavior) inside a class in combination with information and implementation hiding (throughaccess control) is called encapsulation. The result of encapsulation is a class with characteristics and behaviors. It can interact with other classe...
Example of Encapsulation in Java classPerson{privateString name;privateintage;// Getter method for namepublicStringgetName(){returnname;}// Setter method for namepublicvoidsetName(String name){this.name=name;}// Getter method for agepublicintgetAge(){returnage;}// Setter method for age with ...
And in java abstraction can be achieved using Abstract class and Interface. 14th Jun 2017, 3:21 AM Da' BO$ + 1 data types. both built-in as well as user defined. 14th Jun 2017, 1:05 AM Venkatesh PittaОтвет Частозадаюттакиевопросы? Учитес...
Let’s see one moreexample of abstraction in Java using interfaces. In this example, I am creating various reports which can be run on demand at any time during the application’s lifetime. As a consumer of the report, a class needs not to know the internals of the report’s run(),...
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Abstraction can be achieved using class and interfaces in java. Encapsulation is also implemented using classes and the control over data privacy is obtained by specifying access specifiers like protected, public, private. Focus: The prominent difference between Encapsulation and Abstraction lies in the...
5. Abstraction in Java Abstraction in Java is implemented throughinterfacesandabstract classes. They are used to create a base implementation or contract for the actual implementation classes.Car.java: Base interface or abstract class package com.journaldev.oops.abstraction; ...
// Java program to illustrate the concept of AbstractionabstractclassShape{ String color;// these are abstract methodsabstractdoublearea();publicabstractStringtoString();// abstract class can have a constructorpublicShape(String color){ System.out.println("Shape constructor called");this.color = ...