見てわかるテスト駆動開発

by Recruit

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ݟͯΘ͔Δςετۦಈ։ൃ ࿨ా୎ਓ !U@XBEB

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ςετۦಈ։ൃ ͱ͸Կ͔

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ʮಈ࡞͢Δ͖Ε͍ͳίʔυʯɻ3PO+F ff SJFTͷ͜ͷ ؆ܿͳݴ༿͕ɺςετۦಈ։ൃʢ5%%ʣͷΰʔϧ ͩɻಈ࡞͢Δ͖Ε͍ͳίʔυ͸͋ΒΏΔҙຯͰՁ஋ ͕͋Δɻ ᴷ,FOU#FDL ʰςετۦಈ։ൃʱ·͕͖͑

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IUUQTUXBEBIBUFOBCMPHKQFOUSZDBOPOUEECZLFOUCFDL

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໢ཏ͍ͨ͠ςετγφϦΦͷϦετʢςετϦετʣΛॻ͘ ςετϦετͷத͔Βʮͻͱ͚ͭͩʯબͼग़͠ɺ࣮ࡍʹɺ۩ମతͰɺ࣮ߦ Մೳͳςετίʔυʹ຋༁͠ɺςετ͕ࣦഊ͢Δ͜ͱΛ֬ೝ͢Δ ϓϩμΫτίʔυΛมߋ͠ɺ͍·ॻ͍ͨςετʢͱɺͦΕ·Ͱʹॻ͍ͨ͢ ΂ͯͷςετʣΛ੒ޭͤ͞ΔʢͦͷաఔͰؾ͍ͮͨ͜ͱ͸ςετϦετʹ ௥Ճ͢Δʣ ඞཁʹԠͯ͡ϦϑΝΫλϦϯάΛߦ͍ɺ࣮૷ͷઃܭΛվળ͢Δ ςετϦετ͕ۭʹͳΔ·Ͱεςοϓʹ໭ͬͯ܁Γฦ͢ IUUQTUXBEBIBUFOBCMPHKQFOUSZDBOPOUEECZLFOUCFDL 5%%ͷϫʔΫϑϩʔ

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໢ཏ͍ͨ͠ςετγφϦΦͷϦετʢςετϦετʣΛॻ͘ ςετϦετͷத͔Βʮͻͱ͚ͭͩʯબͼग़͠ɺ࣮ࡍʹɺ۩ମతͰɺ࣮ߦՄೳͳςετίʔ υʹ຋༁͠ɺςετ͕ࣦഊ͢Δ͜ͱΛ֬ೝ͢Δ w ͜͜ͰUFTUϓϨϑΟΫεΛ͚ͭͯίϛοτ ϓϩμΫτίʔυΛมߋ͠ɺ͍·ॻ͍ͨςετʢͱɺͦΕ·Ͱʹॻ͍ͨ͢΂ͯͷςετʣΛ ੒ޭͤ͞ΔʢͦͷաఔͰؾ͍ͮͨ͜ͱ͸ςετϦετʹ௥Ճ͢Δʣ w ͜͜ͰGFBUϓϨϑΟΫεΛ͚ͭͯίϛοτ ඞཁʹԠͯ͡ϦϑΝΫλϦϯάΛߦ͍ɺ࣮૷ͷઃܭΛվળ͢Δ w ͜͜ͰSFGBDUPSϓϨϑΟΫεΛ͚ͭͯԿճ͔ίϛοτ ςετϦετ͕ۭʹͳΔ·Ͱεςοϓʹ໭ͬͯ܁Γฦ͢ IUUQTXXXDPOWFOUJPOBMDPNNJUTPSHKBW 5%%ͱ(JUͱ$POWFOUJPOBM$P̼NJUT

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σϞ'J[[#V[[໰୊ Write a program that prints the numbers from 1 to 100. But for multiples of three print “Fizz” instead of the number and for the multiples of fi ve print “Buzz”. For numbers which are multiples of both three and fi ve print “FizzBuzz”. ͔Β·Ͱͷ਺ΛϓϦϯτ͢ΔϓϩάϥϜΛॻ͚ɻ ͨͩ͠ͷഒ਺ͷͱ͖͸਺ͷ୅ΘΓʹň'J[[ŉͱɺͷഒ ਺ͷͱ͖͸ň#V[[ŉͱϓϦϯτ͠ɺͱ྆ํͷഒ਺ͷ৔ ߹ʹ͸ň'J[[#V[[ŉͱϓϦϯτ͢Δ͜ͱɻ http://tickletux.wordpress.com/2007/01/24/using- fi zzbuzz-to- fi nd-developers-who-grok-coding/ http://www.aoky.net/articles/jeff_atwood/why_cant_programmers_program.htm % &. 0

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IUUQTXXXBNB[PODPKQEQ )VNCMF0CKFDU1BUUFSO ςετ༰қੑΛԼ͍͛ͯΔཁૉΛബ͘੾Γग़͠ɺ ςετՄೳൣғΛ޿͘औΔ

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w໰୊Λখ͘͞෼ׂ͢Δ wา෯Λௐ੔͢Δ wςετˠԾ࣮૷ˠࡾ֯ଌྔˠ࣮૷ wςετˠԾ࣮૷ˠ࣮૷ wςετˠ໌നͳ࣮૷ wςετͷߏ଄ԽͱϦϑΝΫλϦϯά ޕલσϞͷ·ͱΊ5%%ͷεΩϧ

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ςετͷߏ଄Խͱ ϦϑΝΫλϦϯά % &. 0

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ʰY6OJU5FTU1BUUFSOTʱΑΓ ςετͷϝϯςφϯείετ ཧ૝ ݱ࣮

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w໰୊Λখ͘͞෼ׂ͢Δ wา෯Λௐ੔͢Δ wςετˠԾ࣮૷ˠࡾ֯ଌྔˠ࣮૷ wςετˠԾ࣮૷ˠ࣮૷ wςετˠ໌നͳ࣮૷ wςετͷߏ଄ԽͱϦϑΝΫλϦϯά ·ͱΊ5%%ͷεΩϧ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠