Скачать или смотреть Master Java 8 Optional Class in One Video 🚀 | Complete Guide with Examples | Hindi Tutorial

Master Java 8 Optional Class in One Video 🚀 | Complete Guide with Examples | Hindi Tutorial

Welcome to Backend Verse! 🌿
In this video, we will Master the Java 8 Optional Class in just one session with real-world examples. 🚀

Ever wondered:
👉 What is Optional in Java 8?
👉 Why do we use Optional instead of null checks?
👉 How to use methods like of(), ofNullable(), isPresent(), ifPresent(), orElse(), and map() effectively?

That’s exactly what you’ll learn in this video! 🔥

📝 What You’ll Learn
📌 What is Optional and why it was introduced in Java 8
⚡ Avoiding NullPointerException with Optional
🔑 Important Optional methods (of, ofNullable, isPresent, ifPresent, orElse, map)
🏷️ Real-world example of using Optional in service & API layer
💡 Best practices of using Optional in production

🎯 Why Watch This Video?
✔️ Learn how to write cleaner and safer code
✔️ No more boilerplate null checks
✔️ Improve readability and maintainability
✔️ Essential for Java 8 interviews

🔧 Tools & Tech Used
Java 17
IntelliJ IDEA

Time Stamps

00:00 - Introduction & Topic Overview
01:08 - Java Optional of() Method Explained
02:07 - Java Optional ofNullable() Method Explained
03:20 - Java Optional get() Method Explained
04:32 - Java Optional isEmpty() Method Explained
05:07 - Java Optional isPresent() Method Explained
06:15 - Java Optional ifPresent() Method Explained
07:35 - Java Optional orElse() Method Explained
08:47 - Java Optional orElseGet() Method Explained
10:47 - Java Optional orElseThrow() Method Explained
12:24 - Java Optional map() Method Explained
14:52 - Java Optional filter() Method Explained
16:47 - Java Optional flatMap() Method Explained

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🔗 GitHub Code
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