Java OOPs for SDET Interviews #12 :Abstract Class In Java

Learn *Interface in Java* with one simple, runnable example — specially explained for **SDET, QA Automation, and Java interview preparation**. In this video, you’ll understand: What is an Interface in Java? Why do we use Interfaces? implements` keyword in Java @Override` annotation How a class implements an Interface Interface as a contract Interface and Abstraction in Java Real-world SDET / Automation Framework connection How to answer “What is an Interface in Java?” in an interview Simple Example Used in This Video We create a `LoginPage` interface with: login() logout() Then our `LoginTest` class implements the interface and provides the actual implementation. This simple example helps you understand the concept without unnecessary complexity. Why Learn Interfaces for SDET Interviews? Interfaces are an important part of *Java OOPs* and are frequently discussed in **SDET, QA Automation, and Java interviews**. Understanding interfaces can also help you understand how common contracts are designed in automation frameworks. Java OOPs for SDET Interviews This video is part of my *Java OOPs for SDET Interviews* series, where we cover important Java concepts using simple, practical examples. Topics covered across the series include: Class & Object Encapsulation Inheritance Method Overriding Method Overloading `this`, `extends` & `super` Compile-time vs Runtime Polymorphism Abstract Class Interface And more Java concepts for SDET interviews If you're preparing for a **Java SDET interview, QA Automation interview, or Software Testing interview**, this series is designed to help you build your Java fundamentals step by step. 👍 *Like, Subscribe & Follow* for more simple Java and SDET interview preparation videos. #Java #JavaOOPs #InterfaceInJava #SDET #SDETInterview #JavaInterview #AutomationTesting #QAAutomation #SoftwareTesting #JavaForSDET