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javademos/patterns/output/02-guards-and-dominance.txt
Claude 65a4bbbbe3 patterns: run Guards, NullCase and MatchException demos on 21 too; add switch-on-long check
Adds broken/SwitchOnLong.java and regenerates transcripts so every 'runs on 21, 25 and 27' claim has a transcript. Additive commit.

Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01TF9JWFvJSNm6HVzswzZU5a
2026-09-24 11:54:48 +00:00

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$ javac src/Guards.java && java Guards (21.0.10+7-Ubuntu-124.04)
empty string
short string: abc
long string: abcdefgh
negative -4
int 12
other
$ javac src/Guards.java && java Guards (25.0.4.1+1-LTS)
empty string
short string: abc
long string: abcdefgh
negative -4
int 12
other
$ javac src/Guards.java && java Guards (27+35)
empty string
short string: abc
long string: abcdefgh
negative -4
int 12
other
$ javac broken/Dominated.java (25.0.4.1+1-LTS)
broken/Dominated.java:5: error: this case label is dominated by a preceding case label
case String s -> "string"; // String is a CharSequence, so this can never be reached
^
1 error
$ javac broken/Dominated.java (27+35)
broken/Dominated.java:5: error: this case label is dominated by a preceding case label
case String s -> "string"; // String is a CharSequence, so this can never be reached
^
1 error
$ javac broken/GuardBeforeGeneral.java (25.0.4.1+1-LTS)
broken/GuardBeforeGeneral.java:5: error: this case label is dominated by a preceding case label
case String s when s.isEmpty() -> "empty string"; // guarded case after the unguarded one
^
1 error
$ javac broken/GuardBeforeGeneral.java (27+35)
broken/GuardBeforeGeneral.java:5: error: this case label is dominated by a preceding case label
case String s when s.isEmpty() -> "empty string"; // guarded case after the unguarded one
^
1 error