string-format: String.format/formatted/printf cheat sheet module (specifier anatomy, rounding vs C printf, locales, Indian lakh/crore grouping Formatter cannot do, format exceptions, %t dates, concat cost), 11 contract tests

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b7Sr2zcoRD2watXv1G
2026-11-12 11:00:22 +05:30
parent db129fb1ce
commit 319697c345
29 changed files with 859 additions and 0 deletions
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+JDK 25.0.5, 2000000 iterations per variant, best of 5 rounds
+PLUS           52.6 ns/op
+BUILDER        66.3 ns/op
+FORMATTED     292.1 ns/op
+FORMAT        279.5 ns/op