Java Tutorial For beginners

Currently Playing: #66 Need of Interface in Java

Check out our courses: Mastering Agentic AI with Java : https://go.telusko.com/agentic-ai Coupon: TELUSKO10 (10% Discount) DevOps Bootcamp: https://go.telusko.com/complete-devops Coupon: TELUSKO10 (10% Discount) Master Java Spring Development : https://go.telusko.com/learn-master Coupon: TELUSKO10 (10% Discount) For More Queries WhatsApp or Call on : +919008963671 website : https://telusko.com/ Udemy Courses: Java Spring:- https://go.telusko.com/Udemyjavaspring Java:- https://go.telusko.com/udemyteluskojava Spring: https://go.telusko.com/udemyteluskospring Java For Programmers:- https://go.telusko.com/javaProgrammers Python : https://go.telusko.com/udemyteluskopython Git : https://go.telusko.com/udemyteluskogit Docker : https://go.telusko.com/udemyteluskodocker Instagram : https://www.instagram.com/navinreddyofficial/ Linkedin : https://in.linkedin.com/in/navinreddy20 WhatsApp : https://go.telusko.com/whatsapp TELUSKO Android App : https://go.telusko.com/TELUSKOAPP TELUSKO IOS App : https://apple.co/3SsgmU2 Discord : https://discord.gg/D8hWe9BqfF In this lecture we will learn: - Methods in java - What is an interface? - Need for an interface #1 - We can also pass an object as a parameter in a method. - When you build an application, you need to make it more flexible. - We can create a reference of the parent class and an object of the sub-class. - Passing reference and the reference of an object that you accept in a method, both should be the same. #2 Interface:- - Interface in Java is used to achieve abstraction. - Interface is used to design an application to make it loosely coupled. - implements keyword is used with a class to extend it to an interface interface Computer { } ......... class Desktop implements Computer { statement; } #3 Need of an Interface:- - It is used to implement abstraction. - We can also achieve multiple inheritance in Java, by using the interface. - Any class can extend only 1 class but can any class implement an infinite number of interface. - It is also used to achieve loose coupling. Github repo : https://github.com/navinreddy20/Javacode.git More Learning : Java :- https://bit.ly/3x6rr0N Python :- https://bit.ly/3GRc7JX Django :- https://bit.ly/3MmoJK6 JavaScript :- https://bit.ly/3tiAlHo Node JS :- https://bit.ly/3GT4liq Rest Api :-https://bit.ly/3MjhZwt Servlet :- https://bit.ly/3Q7eA7k Spring Framework :- https://bit.ly/3xi7buh Design Patterns in Java :- https://bit.ly/3MocXiq Docker :- https://bit.ly/3xjWzLA Blockchain Tutorial :- https://bit.ly/3NSbOkc Corda Tutorial:- https://bit.ly/3thbUKa Hyperledger Fabric :- https://bit.ly/38RZCRB NoSQL Tutorial :- https://bit.ly/3aJpRuc Mysql Tutorial :- https://bit.ly/3thpr4L Data Structures using Java :- https://bit.ly/3MuJa7S Git Tutorial :- https://bit.ly/3NXyCPu Donation: PayPal Id : navinreddy20 https://www.telusko.com