Web Reference: Feb 7, 2023 · Java Optional is a way of replacing a nullable T reference with a non-null value. An Optional may either contain a non-null T reference (in which case we say the value is “present”), or it may contain nothing (in which case we say the value is “absent”). 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 object that may or may not hold a non-null value. Feb 15, 2026 · 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 references.
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