Java 20: Reviewing the Enhancements in the Latest JDK Release
summary
JDK 20 ships seven JEPs (mix of previews and incubators), brings second previews of record patterns and virtual threads, and a second preview of the foreign function & memory API plus a fifth incubator for the Vector API; demo work shows Helidon’s Warp prototype matches older native server performance in six weeks of effort; structural concurrency, scope values, and pattern-matching on switch are implemented, Foreign API replaces much JNI boilerplate, and release is available under Oracle’s no‑fee terms.
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chapters (8)
- 0:00Intro
- 0:39Oracle JDK Releases
- 1:08JDK 20
- 2:43Language Features
- 9:26JDK Library Enhancements
- 34:32To learn more about each JEP
- 35:0948 smaller changes in the release notes
- 36:36Where to get JDK 20








