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javademos/patterns/output/03-record-patterns.txt
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Claude bc91b9c8d0 Add patterns module: pattern matching from JDK 21 to 27
Type, record and primitive patterns, guards, sealed exhaustiveness, MatchException via separate compilation, and eight captured transcripts.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a
2026-09-24 11:50:40 +00:00

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$ javac src/RecordPatterns.java && java RecordPatterns (21.0.10+7-Ubuntu-124.04)
point at 3,4
not a point
7
box of string hi
box of int 7
box of 2.5
$ javac src/RecordPatterns.java && java RecordPatterns (25.0.4.1+1-LTS)
point at 3,4
not a point
7
box of string hi
box of int 7
box of 2.5
$ javac src/RecordPatterns.java && java RecordPatterns (27+35)
point at 3,4
not a point
7
box of string hi
box of int 7
box of 2.5
$ javac src/MatchExceptionDemo.java && java MatchExceptionDemo (25.0.4.1+1-LTS)
MatchException: java.lang.IllegalStateException: accessor blew up
cause: java.lang.IllegalStateException: accessor blew up
$ javac src/MatchExceptionDemo.java && java MatchExceptionDemo (27+35)
MatchException: java.lang.IllegalStateException: accessor blew up
cause: java.lang.IllegalStateException: accessor blew up