Walking through the Eclipse IDE tooling support for new Java versions
summary
Eclipse 4.25 with Java 19 support demonstrates concrete editor and debugger behavior: pattern matching for switch adds a when clause and enforces exhaustiveness at compile time; record patterns support nested deconstruction down to components; the debugger shows virtual threads as system threads and illustrates that starting 11 virtual threads on an 8‑core machine schedules only 8 carriers so breakpoints stop only scheduled carriers; Javadoc now supports @snippet with @highlight/@replace/@link, regions and external snippet files via snippet path, and generated docs match the IDE demos.
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chapters (6)
- 0:00Eclipse Java tooling intro
- 0:48Switch pattern matching Java 19
- 5:30Record patterns deconstruction
- 9:46Debugging virtual threads
- 14:00Java docs code snippets
- 28:46Q&A summary
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