Web Reference: Feb 15, 2026 · In this article, we covered most of the important features of Java 8 Optional class. We briefly explored some reasons why we would choose to use Optional instead of explicit null checking and input validation. 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. 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.
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