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たのしいRuby勉強20190528
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ko-kimura
May 28, 2019
Education
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たのしいRuby勉強20190528
第8章クラスとモジュール
第9章演算子
第10章エラー処理と例外処理
ko-kimura
May 28, 2019
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Transcript
ͨͷ͍͠3VCZ ୈ෦ɹجຊΛֶ΅͏ ɹୈষɹΫϥεͱϞδϡʔϧ ɹୈষɹԋࢉࢠ ɹୈষΤϥʔͱྫ֎ॲཧ ɹࢀߟɿIUUQUBOPTIJJSVCZHJUIVCJP ίϝϯτ
࣍ w Ϋϥεͷ࡞ w Ϟδϡʔϧʹؔͯ͠ w ೋ߲ԋࢉࢠͱൣғԋࢉࢠ w ྫ֎ॲཧ
Ϋϥεͷ࡞ Ϋϥεͷ࡞ํ๏ DMBTTΫϥε໊ Ϋϥεͷఆٛ FOE JOJUJBMJ[F ॳظԽʣ OFXϝιουͰΦϒδΣΫτ ͕࡞͞ΕͨࡍʹಡΈࠐ·Ε ΔɻΦϒδΣΫτʹͱͬͯඞ
ཁͳॳظԽͷॲཧ ܧঝ ҎલͷΫϥεͷಛΛҾ͖ܧ ͗৽ͨͳΫϥεΛ࡞ Ͱ͖Δɻ DMBTT3FDFJQUΫϥε໊େ จࣈ͔Β࢝·Δ ΫϥεͷఆٛʢϝιουͳͲʣ FOE ΫϥεͱɺΦϒδΣΫτͷݩͱͳΔܕʢઃܭॻʣ શͯͷΦϒδΣΫτΫϥεʹଐ͍ͯ͠Δ ΦϒδΣΫτࢥߟʹڞ௨͍ͯ͠Δ֓೦ EFGJOJUJBMJ[F OBNF !OBNFOBNF !MJOFT<> FOE S3FDFJQUOFX ετΞ" DMBTT3JOH"SSBZ"SSBZ Ϋϥεͷఆٛ ϝιουͳͲʣ FOE
Ϟδϡʔϧʹؔͯ͠ 3VCZͷػೳͷҰͭ Ϋϥε ࣮ମͱॲཧΛදݱ͢Δઃܭॻ ͱࣅ͍ͯΔ ͕ ϞδϡʔϧॲཧͷΈΛ·ͱΊͨͷ Πϯελϯεͷ࡞ܧঝͷػೳඋ͍͑ͯͳ͍ ໊લۭؒͷఏڙ ؔ࿈͢ΔϝιουఆͷάϧʔϓԽͳͲ
ʹར༻ .JYJOʹΑΔػೳͷఏڙ ܧঝؔʹͳ͍ΫϥεͳͲʹڞ௨ͷϝιο υΛڞ༗͢Δ߹ʹར༻ NPEVMF.ZNPEVMF ڞ௨ͯ͠ఏڙ͍ͨ͠ػೳ FOE DMBTT.Z$MBTT JODMVEF.ZNPEVMF .Z$MBTTݻ༗ͷϝιου DMBTT.Z$MBTT JODMVEF.ZNPEVMF .Z$MBTTݻ༗ͷϝιου FOE ͷฏํࠜ Q.BUITRSU ԁप ఆ Q.BUI1*
ೖԋࢉࢠͱൣғԋࢉࢠ ೖԋࢉࢠ ॻ͖ํ PQԋࢉࢠ WBSPQWBM WBSWBSPQWBM BB B
CC C WBSWBScc WBScc ൣғԋࢉࢠ ॻ͖ํ BCB͔ΒC·Ͱ BCB͔ΒCͷҰͭखલ·Ͱ Q UP@B < > Q UP@B < > Q BG UP@B <B C D E F G> Q BG UP@B <B C D E F>
ྫ֎ॲཧ ྫ֎ॲཧॻ͖ํ CFHJO ྫ֎Λൃੜͤ͞ΔՄೳੑͷ͋Δॲཧ SFTDVFม ྫ֎͕ൃੜͨ͠ॲཧ FOTVSF ྫ֎ͷ༗ແʹؔΘΒ࣮ͣߦ͞ΕΔॲཧ FOE EFGDPQZ
GSPN UP TSD'JMFPQFO GSPN CFHJO ETU'JMFPQFO UP 8 EBUFTSDSFBE ETUXSJUF EBUB ETUDMPTF FOTVSF TSDDMPTF FOE FOE ૢ࡞ͷྃΛͭͣͭ֬ೝ͠ͳͯ͘ɺΤϥʔΛࣗಈͰݕग़͢Δ Τϥʔͷൃੜॴಉ࣌ʹใࠂ͞ΕΔͷͰσόοΫ͍͢͠ ਖ਼ৗͳॲཧͱΤϥʔͷॲཧΛ͚ͯهड़ՄೳͳͷͰϓϩάϥϜͷݟ௨͕͠Α͍