Base64 in Java: java.util.Base64 Complete Reference
Java's Base64 API explained: Base64.getEncoder(), getDecoder(), URL encoder, MIME encoder, and how to handle byte arrays vs strings cleanly.
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Tags: encoding, java, base64
Base64 in Java: java.util.Base64 Complete Reference Java's API landed in Java 8 and replaced the hodgepodge of third-party libraries and internal classes that existed before. It offers three variants (standard, URL-safe, and MIME), both stream and non-stream interfaces, and a clean, composable encoder/decoder design. This guide covers every method you'll realistically use. |---|---|---| | | | Yes () | No | | | | Yes () | No | | | | Yes () | Yes (76 chars, ) | Correspondingly: | Method | Use | |---|---| | | Decodes standard Base64 | | | Decodes URL-safe Base64 | | | Decodes MIME Base64 (ignores and whitespace) | --- Basic encode and decode is a convenience method that encodes to bytes and wraps the result in a new using the US-ASCII charset — the only characters in Base64 are ASCII, so…
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