🚀 Java 8 Optional Class | Say Goodbye to NullPointerExceptions | Best Practices & Key Methods

"Are null values causing headaches in your Java projects?" Learn how to eliminate NullPointerExceptions using the powerful Optional class introduced in Java 8! 🌟

In this video, we explore the powerful Java Optional Class introduced in Java 8, designed to help you handle null values more safely and elegantly. You'll learn the best practices for using Optional, including the empty(), of(), ofNullable(), get(), and flatMap() methods. We’ll also cover how to avoid common pitfalls with methods like orElse(), ifPresent(), and orElseGet(). This is a complete Java Optional crash course with real-world examples, perfect for Java developers looking to improve their coding practices.

📖 Chapters:
📌 00:00 -- What are Optionals
📌 02:20 -- empty()
📌 03:40 -- isPresent()
📌 04:13 -- of()
📌 06:10 -- ofNullable()
📌 08:50 -- get()
📌 10:23 -- Problem with get() and use of orElse()
📌 12:51 -- ifPresent()
📌 15:20 -- orElseGet()
📌 19:14 -- orElseThrow()
📌 21:08 -- Model classes for filter(), map() and flatMap()
📌 24:00 -- filter()
📌 28:44 -- map()
📌 36:21 -- flatMap()

Key Topics Covered:
🔹 What is Java Optional and why is it important?
🔹 Methods like empty(), of(), ofNullable(), get(), and how to use them safely
🔹 Handling null values more efficiently with Optional
🔹 Exploring flatMap(), filter(), and map()
🔹 Best Practices for using Optional and common pitfalls
🔹 Real-World examples and use cases for Optional
🔹 Interview questions on Java Optional Class

🎯 Learn More About Functional Programming in Java:
🔗 Lambda Expressions & Functional Interfaces (Prerequisite for Streams)
🎉 Part 1: Introduction to Functional Interfaces & Lambda Expressions →    • Lambda Expressions and Functional Interfac...  
🎉 Part 2: Advanced Functional Interfaces & Built-in Functional Interfaces →    • Lambda Expressions and Functional Interfac...  
🎉 Part 3: Lambda Expressions in Depth →    • Lambda Expressions and Functional Interfac...  


🔗 GitHub Code: https://github.com/codingwalashree/co...


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