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Learn how to upgrade from Java 17 to Java 21 in this comprehensive video. Explore the numerous features and additions introduced between these versions, including API changes, ongoing deprecations, and modifications in networking, encoding, runtime, and tooling. Discover the best practices for preparing and executing Java and third-party updates, and gain insights into valuable resources such as inside.java, release notes, and Quality Outreach. Delve into specific topics like sequenced collections, UTF-8 encoding, HTTP timeouts, and new warnings in JDK tools. Get equipped with the knowledge needed to successfully navigate the transition to Java 21 and make the most of its new capabilities.
Syllabus
Intro
API changes
Ongoing deprecations
The more you know
Networking
Encoding
Quality Outreach
Runtime
JDK Tools
3rd party updates
How to update
RoadTo21 previews
Taught by
Java