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scala.rookies#1
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Kazuya
November 29, 2018
Programming
120
1
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scala.rookies#1
First presentation for scala.rookies#1
Kazuya
November 29, 2018
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Transcript
ະܦݧ͔Β4DBMBΛ ࢝ΊΔ࣌ͷఱࠃͱࠈ גࣜձࣾωΫετϏʔτେ
վΊ·ͯ͠ ຊTDBMBSPPLJFTͷΠϕϯτʹ ͓ӽ͍͖ͨͩ͋͠Γ͕ͱ͏͍͟͝·͢
ʙࣗݾհʙ ݄גࣜձࣾωΫετϏʔτೖࣾ ΠϯλʔϯظؒΛؚΊΔͱ ΤϯδχΞʹͳ͔ͬͯΒ࣮࣭ େֶͰεϖΠϯޠΛઐ߈ ‑ ͲΜͳӡ໋ͷ͍ͨͣΒ͔ ΤϯδχΞʹͳΔͱܾҙ େ
ʙೖ͔ࣾͯ͠Βʙ ֤ϓϩμΫτͰͷ༻ݴޠͪΖΜ4DBMB ϑϨʔϜϫʔΫʹ1MBZ'SBNFXPSL ཧπʔϧͷϑϩϯτΤϯυʹ"OHVMBSΛ༻ ୲͍ͯ͠ΔϓϩμΫτͷҰ෦Ͱ7VF༻
͋Εʁ ֮͑Δ͜ͱଟ͘Ͷʁ
w 4DBMB w "OHVMBS w 7VF w 42- w )5.-
w $44 wͦͷଞͷྖҬͷࣝ ͬ͘͟Γ·ͱΊΔͱ͜ͷ͘Β͍ ͬͺଟ͍ͱࢥ͏ ྫྷ੩
લɺDEίϚϯυ͢ΒΒͳ͔ͬͨࢲ͕ 4DBMBΛֶͿ্Ͱۤ࿑ͨ͜͠ͱɺͦΕΛղܾ͢Δ্Ͱࢀߟʹͳͬͨ͜ͱ ʙࠓճͷ-5ͷΞϓϩʔνʙ
ͦΕΛḷΔͱಉ࣌ʹɺاۀ͕ະܦݧͷΤϯδχΞΛ ड͚ೖΕΔͨΊͷͳʹ͔͠ΒͷώϯτʹͳΔ ʙࠓճͷ-5ͷΞϓϩʔνʙ ͱɺخ͍͠Ͱ͢ɻ
˞Ұ෦4DBMBಛ༗ͷۤ࿑Ͱͳ͍͋Γ·͢ɺ ͝ΊΜͳ͍͞
͡Ό͋·ͣ4DBMBͬͯͳʹʁ ʙະܦݧͷਓʹڭ͑Δͱ͖ʙ ࠔΔ͜ͱͦͷᶃ
4DBMBؔܕΦϒδΣΫτࢦͷݴޠͰ ˢ ͏Θ͔Μͳ͍
ؔͱʁ ΦϒδΣΫτʁ ؔܕ͡Όͳ͍ͷ͋Δͷʁ Ϋϥεͱʁ ͦ ͦ Ҿ
ͬ ͯ ʁ Γʁ ಄ͷதʹࠈ͕ੜ·ΕΔ
མͪண͜͏ ͱΓ͋͑ͣௐΔɺॻ͍ͯΈΔ ·ͣߦಈ͋ΔͷΈ 1MBZ'SBNFXPSL ղܾࡦᶃ TMJDL
ؔܕΒ͍ͬͯ͠Ͳ͏͍͏͜ͱʁ Έཱͯํͱ͔ ࠔΔ͜ͱͦͷᶄ
ͦͦؔͱ ԿΒ͔ͷॲཧΛߦ͍ɺ ͦͷ݁Ռͱͯ͠ԿΒ͔ͷΓΛड͚औΔ͜ͱ ʙࠓ࣋ͬͯΔײ֮ʙ
ʙະܦݧͷΠϯλʔϯੜʹڭ͑ͨ͜ͱʙ
ࣾͷΤϯδχΞશһ͔Βେ൷
None
ղܾࡦᶄ ࣝͷ͋Δਓʹฉ͍ͯΈΔ wࣾͷਓ͔ΒͷίʔυϨϏϡʔड͚Δ w͘͘ձͱ͔ ͍ͣΕTDBMBSPPLJFTͰͦ͏͍͏׆ಈͱ͔ͯ͠Έ͍ͨͳ͊ͱ͔ࢥͬͨΓʜ
ࠔΔ͜ͱͦͷᶅ 0QUJPO ͕͋Δ͔Εͳ͍͠ɺͳ͍͔Εͳ͍
ͪΐͬͱԿݴͬͯΔ͔Θ͔Μͳ͍Ͱ͢ɻ
خ͍͠ᶃ ͕͋Δ߹ͱͳ͍߹ͰॲཧΛ͚ΒΕΔ ύλʔϯϚονʹΑΔ߹͚
خ͍͠ᶄ ͖ͪΜͱDPNQJMFΤϥʔΛग़ͯ͘͠ΕΔ όάΛݮΒͤΔ
ղܾࡦᶅ Ͳ͏͍͏࣌ʹ0QUJPO͕ฦͬͯ͘Δͷ͔ܕΛҙࣝ
ղܾࡦᶅͷྫ ʙ4DBMBͷιʔείʔυΛಡΉʙ IUUQTHJUIVCDPNTDBMBTDBMBCMPCYTSDMJCSBSZTDBMBDPMMFDUJPO JNNVUBCMF-JTUTDBMB-
ʙ࣮ફͯ͠ΈΔʙ
ղܾࡦᶅͷྫ 0QUJPOHFUɺμϝɻθολΠɻ Ұ୴ɺHFU0S&MTF͠Α͏
ࠔΔ͜ͱͦͷᶆ 'VUVSF ଞͷܭࢉͷॲཧΛͨͣɺฒߦͯ͠ॲཧΛߦ͏
࠷ॳʹݴ͓͖ͬͯ·͢ɻ ະͩʹ͖ͪΜͱΘ͔ͬͯ·ͤΜʂ
΄͔ͷॲཧͱฒߦͯ͠ॲཧΛߦ͏ ͳΔ΄Ͳ ϚϧνεϨουʹΑΔॲཧ ͏ʔΜ ഉଞ੍ޚɺσουϩοΫ ʁʁʁ
ղܾͦ͠͏ͳҊᶆ ΊͬͪΌಡΉ ٕज़ධࣾ 4DBMBք۾Ͱ༗໊ͳํʑ͕ࣥච
ղܾͦ͠͏ͳҊᶆ 4DBMBΛ৮͍ͬͯͳ͘ͱɺ ͱͱϓϩάϥϛϯά͍ͬͯͨํͩͬͨΒΘ͔Γ͍͢ IUUQTEXBOHPHJUIVCJPTDBMB@UFYU ΊͬͪΌಡΉ
ࠓޙΜͰ͍͖͍ͨࠈ ͔͜͜Β͕ຊ൪ wJNQMJDJU w.POBE wBLLB ໊લΛฉ͍͚ͨͩͰڋઈԠ ʮ͜Μͳ·ͱΊ͋ΔΑʂʯͱ͍͏ͷ͕͋Εڭ͍͑ͯͩ͘͞ʂ
·ͱΊ ɹɹɹɹɹຊ ຊޠଟ͍ wίοϓຊ 4DBMBݴޠઃܭऀࣥචͷຊ w࣮ફ4DBMBೖ ࠷ۙग़൛͞Εͨͷຊ ɹɹωοτ
ӳޠଟΊ w4DBMBͷιʔείʔυ wEXBOHP͞ΜTDBMB@UFYU w2JJUB TUBDLPWFSqPX
υΩϡϝϯτॆ࣮͖͍ͯͯ͠Δ͠ɺ ֶΔڥଟ͘ͳ͖͍ͬͯͯΔɻ TDBMBSPPLJFT͔ΒΓ্͍͖͛ͯ·͠ΐ͏ʂʂʂ
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ