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

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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

#java #java8 #javaguides
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Комментарии
Автор

Sir the way you also get into source code of Java method helps a lot to understand functionality more clearly.
.Request you to please make video on completablefuture also

сойка-ий
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Beautifully explained. Understood lot of stuff.

meenajadhav
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Super bro. But, Optional didnt solve tha multiple null check in single condition though. We could use it only for compound operation right?

jagadeesh
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Null Pointer "Crash" course 😜

sandyj