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sorting: Comparable vs Comparator from first principles, comparing/thenComparing/nullsFirst chaining, records as sort keys (and the record/equals compareTo trap), and a real reproduction of the int-subtraction-overflow comparator bug

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Co-Authored-By: Claude Sonnet 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01YXCrLgRKFgCh9RHKW8xaqJ
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Claude
2026-10-01 16:19:14 +00:00
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README.md
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@@ -24,6 +24,7 @@ article; each module's own README has that article's version table, quickstart,
| [`sequenced`](sequenced/) | Sequenced Collections in Java 21+: getFirst, getLast and reversed() |
| [`immutable`](immutable/) | Immutable Collections in Java: List.of vs unmodifiableList vs copyOf |
| [`cow`](cow/) | CopyOnWriteArrayList in Java: When It Wins (JMH) and When It Hurts |
| [`sorting`](sorting/) | Java Comparator & Comparable: The Complete Guide |
## License