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Java Architecture Diary
Java Architecture Diary
Sep 18, 2023 · Fundamentals

What’s New in Java 21? Explore Updated String, Collections, and More

This article walks through the latest Java 21 additions—including enhanced String search methods, new Emoji utilities in Character, repeat() for StringBuilder and StringBuffer, updated Charset factories, named regex groups, SequencedCollection interfaces, localized DateTimeFormatter patterns, extended Math and BigInteger operations, and improved Thread and Future APIs—providing code examples and usage guidance.

APICollectionsDateTime
0 likes · 13 min read
What’s New in Java 21? Explore Updated String, Collections, and More
Java Architecture Diary
Java Architecture Diary
Sep 7, 2023 · Fundamentals

What’s New in Java 21? A Complete Guide to Features and Version History

This article outlines Java 21’s release as the next LTS, highlights its new standard, preview, and incubating features—including virtual threads, record patterns, and the Vector API—and provides a concise timeline of major enhancements from Java 8 through Java 20.

java21jdk-featureslts
0 likes · 8 min read
What’s New in Java 21? A Complete Guide to Features and Version History