Java 17 Sealed Classes Explained | Complete Guide with Real-Time Examples & Interview Questions

Want to control which classes can extend your class? Java 17 introduced Sealed Classes to solve exactly that! 🚀 In this video, you'll learn everything you need to know about Sealed Classes, one of the most powerful features introduced in Java 17. We'll understand why Sealed Classes were introduced, how they help restrict inheritance, and where they're used in real-world Java applications. 📚 What You'll Learn What are Sealed Classes? Why were Sealed Classes introduced? sealed Keyword permits Keyword final, sealed, and non-sealed Child Classes Sealed Interfaces Real-World Examples Sealed Classes vs Final Classes Java Interview Questions 💼 Real-World Use Cases Banking Applications Payment Systems Vehicle Management Systems State Machines Domain-Driven Design (DDD) Secure API Models Enterprise Java Applications Whether you're preparing for Java interviews, learning Spring Boot, or upgrading your Java skills, this video will help you master Sealed Classes with simple explanations and practical examples. 👍 If you found this video helpful, don't forget to Like, Share, and Subscribe for more Java tutorials and interview preparation content.