Java Class 5 LIVE: Polymorphism, Interface, Method Override & Parent-Child Reference Explained

Welcome to Class 5 of our Selenium with Java Full Course! In this live recording, we unlock Runtime Polymorphism through parent-child references, method overriding, and interfaces. 🎓 What You'll Learn: ✅ Parent class reference = Child class object (Upcasting explained!) ✅ Using same parent reference to point to different child objects ✅ Runtime Polymorphism in action ✅ Method Override (Function Override) fundamentals ✅ Override rules & @Override annotation ✅ Interface introduction & core concepts ✅ Why we need Interfaces in Java ✅ Interface vs Abstract Class comparison Timestamps: 00:00 Intro and Overview of Concepts 00:05 Importance of Understanding Syntax 00:21 Main Function in Java Classes 01:01 Parent and Child Class Relationship 02:14 Creating Objects from Classes 03:34 Using Parent References for Child Objects 05:01 Limitations of Parent References 06:10 Switching Object References 09:31 Utilizing Same Reference for Different Objects 12:31 Understanding Interfaces in Java 21:57 Implementing Interfaces in Classes 35:10 Summary of Key Concepts 💻 Tech Stack: • Java Programming • Eclipse IDE • OOP Advanced Concepts • Polymorphism & Interfaces 👥 Perfect For: • Automation testing beginners • QA Engineers learning Java OOP • SDET aspirants • Java interview preparation (Top OOP questions!) 📚 Course Playlist: [Add your playlist link] 🔔 Subscribe for more live Java & Selenium classes! polymorphism polymorphism polymorphism interface interface interface override override override upcasting upcasting upcasting java java java #java #polymorphism #methodoverride #interface #upcasting #runtimepolymorphism #parentchildreference #liveclass #seleniumwithjava #automationtesting #qaengineer #sdet #oopjava #corejava #javainterview