KotlinとJavaの相互運用

by tommykw

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ,PUMJOͱ+BWBͷ૬ޓӡ༻ ίωώτגࣜձࣾ

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෋ా݈ೋ !UPNNZLX !UPNNZLX ίωώτגࣜձࣾ"OESPJE&OHJOFFS ϓϩϑΟʔϧ

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࿩͢಺༰ w ϚϚϦͷ,PUMJOಋೖ w ,PUMJOͱ+BWBͷ૬ޓӡ༻ w ࠷ޙʹ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ϚϚϦͷ,PUMJOಋೖ ίωώτגࣜձࣾ

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ϚϚϦ2

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ϚϚϦ2

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ϚϚϦ2

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,PUMJOಋೖ w +BWBͩͱ৑௕ɺෳࡶʹͳΔίʔυ΋͖ͬ͢ΓՄಡੑ্͕͕Δ w 4XJGU࢖͍ͷJ04ΤϯδχΞʹ΋ͳ͡Έ΍͍͢จ๏ w +BWBͷ/VMM1PJOUFS&YDFQUJPOΛۦஞͰ͖Δ w σϝϦοτ͕গͳ͔ͬͨ ͳͥ,PUMJOΛಋೖͨ͠ͷ͔

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,PUMJOಋೖ w ແཧʹ,PUMJOԽ͸͠ͳ͍ w ϦϑΝΫλϦϯά΍৽ػೳΛ࣮૷͢Δࡍʹ,PUMJOԽΛ͢Δ w ςετ͸,PUMJOͰॻ͍ͯΈΔ ,PUMJOಋೖํ਑

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,PUMJOಋೖ w ݄͔Βελʔτͯ͠ಋೖ׬ྃ w ׂ͘Β͍ίʔυߦ਺͕ݮͬͨ w ؆ܿʹهड़Ͱ͖ΔΑ͏ʹͳͬͨ w ϒϩάΛ௨ͯ͡ೝ஌౓্͕͕ͬͨ ,PUMJOಋೖ݁Ռ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ,PUMJOͱ+BWBͷ૬ޓӡ༻ ίωώτגࣜձࣾ

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,PUMJOͱ+BWBͷ૬ޓӡ༻ w 1MBUGPSN5ZQF w .BQQFE5ZQF w σϑΥϧτpOBMDMBTT w ݕࠪྫ֎ w υΩϡϝϯτ ,PUMJOͱ+BWBͷ૬ޓӡ༻

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ 1MBUGPSN5ZQF ίωώτגࣜձࣾ

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1MBUGPSN5ZQF w 5Λද͢ w /VMM҆શͱݴΘΕ͍ͯΔ͕ɺ+BWBͱ,PUMJOͷ৔߹͸আ͘ w /VMM1PJOUFS&YDFQUJPOɺ*MMFHBM4UBUF&YDFQUJPO͕ൃੜ͠Ϋϥογϡ͢Δ w +BWBͰΞϊςʔγϣϯΛఆٛ 1MBUGPSN5ZQFʹ͍ͭͯ

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1MBUGPSN5ZQF Ϋϥογϡ͢Δέʔε

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1MBUGPSN5ZQF Ϋϥογϡ͢Δέʔε

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1MBUGPSN5ZQF !/VMMBCMFΛ໌ࣔతʹఆٛ

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1MBUGPSN5ZQF !/VMMBCMFΛ໌ࣔతʹఆٛ

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1MBUGPSN5ZQF w +BWBଆͰ!/VMMBCMFͱ!/PO/VMMΛఆٛ͢Δ w ڥքΛҙࣝ͢Δ w ؆୯ʹΫϥογϡͯ͠͠·͏ͷͰ஫ҙ͢Δ w έʔε͸Θ͔Βͳ͍͕Ұ෦*%&"ͰܯࠂΛදࣔ͢Δ 1MBUGPSN5ZQF·ͱΊ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ .BQQFE5ZQF ίωώτגࣜձࣾ

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.BQQFEUZQF w ,PUMJOͱ+BWBͷͦΕͧΕͷܕϚοϐϯά w 1MBUGPSN5ZQFɺOVMMBCMFɺ,PUMJOݻ༗ͷܕʹϚοϐϯά w .BQQFE5ZQFͱ1MBUGPSN5ZQFͷ࿩3ZPUB.VSPIPTIJ͞Μͷهࣄ͕ͱͯ΋ࢀߟʹͳΔ .BQQFE5ZQFʹ͍ͭͯ

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.BQQFEUZQF .BQQFE5ZQF

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.BQQFEUZQF .BQQFE5ZQF

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.BQQFEUZQF .BQQFE5ZQF

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.BQQFEUZQF w ,PUMJOͰ͸+BWBͷܕΛಛผʹѻ͏ w !/VMMBCMFɺ!/PU/VMMΛ࢖͏ w 1MBUGPSN5ZQFΛ೦಄ʹஔ͖ͭͭ.BQQFE5ZQFΛҙࣝ͢Δ .BQQFE5ZQF·ͱΊ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ σϑΥϧτpOBMDMBTT ίωώτגࣜձࣾ

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σϑΥϧτpOBMDMBTT w ,PUMJOͷΫϥε͸σϑΥϧτpOBM w +BWBͱ͸ҟͳΓɺܧঝ͢Δ৔߹ʹPQFOΛ͚ͭΔ w Ұ෦࢖͑ͳ͍ϥΠϒϥϦ͕͋Δ w 3FBMNɺ.PDLJUPɺ4QSJOHͳͲ σϑΥϧτpOBMDMBTTʹ͍ͭͯ

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σϑΥϧτpOBMDMBTT 3FBMN

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σϑΥϧτpOBMDMBTT 3FBMN

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σϑΥϧτpOBMDMBTT w NPDLJUPWFSTJPO͸LPUMJOBMMPQFOΛ࢖͏ w NPDLJUPWFSTJPO͔ΒJOMJOFNPDLNBLFSΛ༗ޮʹ͢Δ .PDLJUP

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σϑΥϧτpOBMDMBTT .PDLJUP

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σϑΥϧτpOBMDMBTT .PDLJUP

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σϑΥϧτpOBMDMBTT w ඞཁͰ͋Ε͹దٓPQFOΛ͚͍ͭͯ͘ w LPUMJOBMMPQFOPQFOΛ෇༩ͯ͘͠ΕΔϓϥάΠϯΛ࢖͏ σϑΥϧτpOBMDMBTT·ͱΊ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ݕࠪྫ֎ ίωώτגࣜձࣾ

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ݕࠪྫ֎ w ,PUMJOଆͰ!5ISPXTΛఆٛ͢Δ w *%&"ͰܯࠂΛදࣔ͠ɺΫΠοΫϑΟοΫε͕Ͱ͖Δ w +BWB͔Β,PUMJOͰ͸ΫΠοΫϑΟοΫε͕ޮ͔ͳ͍ ݕࠪྫ֎ʹ͍ͭͯ

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ݕࠪྫ֎ ,PUMJO+BWB

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ݕࠪྫ֎ ,PUMJO+BWB

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ݕࠪྫ֎ ,PUMJO+BWB

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ݕࠪྫ֎ +BWB,PUMJO

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ݕࠪྫ֎ +BWB,PUMJO

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ݕࠪྫ֎ w ,PUMJOଆͰ!5ISPXTΛఆٛ͢Δ w +BWB͔Β,PUMJOΛݺͼग़࣌͢ʹྑ͍ํ๏͸ͳ͍ͩΖ͏͔ w ڥքઢΛҙࣝ͢Δ ݕࠪྫ֎·ͱΊ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ υΩϡϝϯτ ίωώτגࣜձࣾ

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υΩϡϝϯτ w ίϝϯτͷॻ͕ࣜ౷ҰͰ͖Δ w ίϝϯτ͕·ͱ·͍ͬͯͯίʔυ͕ಡΈ΍͍͢ w ίϝϯτॻ͘͜ͱʹΑͬͯಡΈ΍͍͢ίʔυΛҙࣝͰ͖Δ w υΩϡϝϯτΛੜ੒Ͱ͖Δ υΩϡϝϯτʹ͍ͭͯ

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υΩϡϝϯτ w +BWBͷ+BWBEPDʹ૬౰͢Δ w ϚʔΫμ΢ϯه๏ w +BWBEPDͱ͸ඍົʹهड़ํ๏͕ҟͳΔ w λάͷछྨ΋ҧ͏ ,%PD

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υΩϡϝϯτ w +BWBEPDͱಉ͡ػೳΛ࣋ͭυΩϡϝϯτΤϯδϯ w ίʔυੜ੒͕Ͱ͖Δ w +BWBͱ,PUMJOͷڞଘϓϩδΣΫτʹରԠͰ͖Δ w WFSTJPO EPLLB

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υΩϡϝϯτ w ,%PD͸ೃછΈͷ͋ΔϚʔμμ΢ϯͳͷͰॻ͖΍͍͢ͷͰ͸ͳ͍ͩΖ͏͔ w +BWBEPDͱॻ͖ํ͕ଟগҟͳΔ w IUNMʹు͖ग़͢ࡍ͸EPLLBΛ࢖͏ υΩϡϝϯτ·ͱΊ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ϝϦοτ͚ͩͰ͸ͳ͍ ૬ޓӡ༻ʹ͍ͭͯ ίωώτגࣜձࣾ

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ϝϦοτ͚ͩͰ͸ͳ͍૬ޓӡ༻ʹ͍ͭͯ ,PUMJOॿ૸ຊͰ΋ݴٴ͞Ε͍ͯΔ

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ϝϦοτ͚ͩͰ͸ͳ͍૬ޓӡ༻ʹ͍ͭͯ w ৽͍͠ίʔυΛ,PUMJOʹ͢Δ w ςετ͔Βಋೖ͢Δ w ϥΠϒϥϦʔΛ,PUMJOͰॻ͍ͯಋೖ͢Δ w ஔ͖׵͑Δ ,PUMJOॿ૸ຊͰ͸ҎԼͷϝϦοτɺ  σϝϦοτʹ͍ͭͯઆ໌͞Ε͍ͯ·ͨ͠

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ϝϦοτ͚ͩͰ͸ͳ͍૬ޓӡ༻ʹ͍ͭͯ w ੜ࢈ੑͷߴ͞ w ίϨΫγϣϯͷૢ࡞͕௚ײతͰָ w ֶशίετ΋ͦΕ΄Ͳߴ͘ͳ͍ w *%&"ͷิ׬͕ڧྗ ૬ޓӡ༻ʹ͓͚Δ ϓϩδΣΫτಋೖʹΑΔϝϦοτ

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ϝϦοτ͚ͩͰ͸ͳ͍૬ޓӡ༻ʹ͍ͭͯ w +BWBͱ,PUMJO྆ํΛҙࣝ͢Δඞཁ͕͋Δ w ΫϥεʹΑͬͯ͸+BWBΑΓ΋ίʔυྔ͕ଟ͘ͳΔ࣌΋͋Δ w ϨϏϡΞʔͷෛ୲ w ,PUMJOԽ͞Εͳ͍෦෼͕ൃੜͯ͠ϝϯςφϯείετ͕૿େͨ͠ ૬ޓӡ༻ʹ͓͚Δ ϓϩδΣΫτಋೖʹΑΔσϝϦοτ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ࠷ޙʹ ίωώτגࣜձࣾ

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͍͞͝ʹ w ৽ن։ൃͰ͋Ε͹ϑϧ,PUMJOָ͕ w طଘ։ൃͰ͋Ε͹૬ޓؔ܎ͷਏ͕͋͞Δ w ڥքΛҙࣝ͢Δ ࠷ޙʹ

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͍͞͝ʹ w Ҿ͖ଓ͖૬ޓӡ༻ w ௕͍໨Ͱݟͯӡ༻͍ͯ͘͠ w ,PUMJOຊମ΁ͷίϯτϦϏϡʔτ w *%&"ΛΑΓศརʹ࢖͍͖͍ͬͯͨ ؤுΓ·͢ʂ

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Ո଒ͷຖ೔Λ΋ͬͱসإʹɻ ίωώτגࣜձࣾ ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠