Optional Class in Java 8 - Avoid Null Pointer Exception | Java 8 Features | Crash Course ✅

Publicado em: 04 Abril 2022
no canal de: Java Guides

24,681

402

Java introduced a new class Optional in JDK 8. It is a public final class and is used to deal with NullPointerException in Java applications.

The purpose of the class is to provide a type-level solution for representing optional values instead of using null references.

Advantages of Java 8 Optional
Null checks are not required.
No more NullPointerException at run-time.
We can develop a clean and neat APIs.
No more Boilerplate code

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