Web Reference: Sep 6, 2025 · The Optional class offers methods such as isPresent () orElse () and ifPresent () to handle potentially null values more safely and functionally. The table below lists commonly used Optional methods and their descriptions. In Java, we use a reference type to gain access to an object, and when we don’t have a specific object to make our reference point to, then we set such references to nullto imply the absence of a value. The use of null is so common that we rarely put more thought into it. For example, field members of objects are automatically initialized to null, ... 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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