Java 8 Optional Explained 🚀 in Tamil
Java 8 Optional Class Tutorial in Tamil | Avoid NullPointerException
In this video, we will learn about Optional Class in Java 8 with real-time examples:
Why Optional was introduced
Creating Optional objects
Safe null handling with ofNullable
Using ifPresent, orElse, orElseGet
Difference between orElse vs orElseGet
map and flatMap with Optional
Real-world use case with HashMap
By the end of this video, you’ll know how to avoid NullPointerException using Optional in Java.