If a value is present, apply the provided mapping function to it, and if the result is non-null, return an Optional describing the result. Otherwise return an empty Optional.

Jan 16, 2024 · In this tutorial, we’re going to show the Optional class that was introduced in Java 8. The purpose of the class is to provide a type-level solution for representing optional values instead of null …

Sep 6, 2025 · Java 8 introduced the Optional class in the java.util package to handle the problem of null values more gracefully. Instead of risking NullPointerException (NPE), Optional provides a container …

Aug 22, 2024 · Java 8 introduced a powerful tool to help us deal with this nuisance: the Optional class. In this guide, we'll explore Optional through a series of practical examples.

Learn Java Optional class for null-safe programming including creation, transformation, filtering, flatMap operations, and real-world Optional usage patterns.

May 30, 2025 · Optional was introduced in Java 8 (2014) to reduce the risks and ambiguity associated with null. Prior to this, Java developers were prone to defensive coding and null checks everywhere.

Nov 12, 2025 · Java 8 introduced the Optional class as a solution to this problem. Optional is a container object which may or may not contain a non - null value. By using Optional, we can write more robust …

Java 8 introduced Optional<T> as a solution to this problem, providing a container object that may or may not contain a non-null value. However, simply using Optional isn’t enough—using it correctly is …

Provides classes that are fundamental to the design of the Java programming language.

Jan 8, 2024 · Understand the purpose of the Optional class and learn how to use it efficiently to design clear and robust APIs.