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datetimeformatter: DateTimeFormatter cheat sheet module (pattern letters incl. the four hour letters, yyyy vs YYYY week-year bug and WeekFields, en_IN locales and the U+202F AM/PM trap with parseLenient fix, SMART/STRICT/LENIENT parsing, ISO constants, SimpleDateFormat thread safety), 18 contract tests

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Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017ic4b3fvyFpxThdRxcozLx
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Claude
2026-11-14 01:24:52 +05:30
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README.md
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@@ -31,6 +31,7 @@ article; each module's own README has that article's version table, quickstart,
| [`string-format`](string-format/) | String.format, formatted() and printf in Java: The Complete Cheat Sheet |
| [`equals-hashcode`](equals-hashcode/) | equals() and hashCode() in Java: The Contract, Real Bugs and How Records Change It |
| [`copying`](copying/) | Deep Copy vs Shallow Copy in Java: clone(), Copy Constructors, Serialization and Records |
| [`datetimeformatter`](datetimeformatter/) | DateTimeFormatter Cheat Sheet: Patterns, the yyyy vs YYYY Bug, Locales and ISO Formats |
## License