現代に求められるJavaコミュニティとは  / What should be the Java Community of Today?

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ݱ୅ʹٻΊΒΕΔ+BWBίϛϡχςΟͱ͸  ʙ++6(جௐߨԋ DDD@F ೔ຊ+BWBϢʔβάϧʔϓϦʔμʔ  "DSPRVFTU5FDIOPMPHZ$P -5% &WFSGPSUI$P -5%  ୩ຊ৺ !DFSP@U

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ࣗݾ঺հ w ୩ຊ৺ 4IJO5BOJNPUP w ࣾͰಇ͘ΤϯδχΞʢओʹΞʔΩςΫτʣ w "DSPRVFTU5FDIOPMPHZגࣜձࣾ w גࣜձࣾ&WFSGPSUI w +BWB$IBNQJPO w 0SBDMF(SPVOECSFBLFS"NCBTTBEPS w 5XJUUFS!DFSP@U w 'BDFCPPLTIJOUBOJNPUP

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͖͞΄Ͳ  ++6(Ϧʔμʔʹ  ͳΓ·ͨ͠

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͜Ε͔Β++6(ΛͲ͏͢Δͷ͔ʁ

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ΞδΣϯμ ͜Ε͔Β++6(Ͱ΍Γ͍ͨ͜ͱ ͳͥ++6(ͱ$$$ͷ૊৫Λ෼͚ͨͷ͔    ʢҎ߱ɺεϥΠυඇެ։ʣ ͍·ͷ೔ຊ΍*5ۀքͷঢ়گΛݟͭΊ௚͢ ࠓޙͷίϛϡχςΟͷ͋ΓํΛߟ͑Δ ΈΜͳͷՁ஋؍Λଚॏ͢Δ

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͜Ε͔Β++6(Ͱ  ΍Γ͍ͨ͜ͱ

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ᶃ +BWBͷϦϦʔε΁ͷ௥ै ᶄ ւ֎ͷ+6(ͱͷ࿈ܞ ᶅ ஍ํ+BWBίϛϡχςΟͱͷ࿈ܞ ᶆ ॳ৺ऀ޲͚ίϯςϯπͷॆ࣮

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ᶃ+BWBͷϦϦʔε΁ͷ௥ै w എܠ w ൒೥͝ͱͷϦϦʔεαΠΫϧ  ʢֶͿεϐʔυ͕ૣ͘ͳΔʣ w ϥΠηϯεϞσϧͷมߋ  ʢͦΕʹ൐͏ࠞཚʣ

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ᶃ+BWBͷϦϦʔε΁ͷ௥ै w ࠓޙ΍Δ͜ͱ w ษڧձͰΞοϓσʔτ಺༰ͷڞ༗ w άουϓϥΫςΟεͷڞ༗

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ᶄւ֎+6(ͱͷ࿈ܞ w എܠ w ৽͍ٕ͠ज़͸ւͷ޲͜͏͔Β΍ͬͯ͘Δ w ৽͍ٕ͠ज़ͷ৘ใΛಘΔબ୒ࢶΛ૿΍͢

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ᶄւ֎+6(ͱͷ࿈ܞ w ʢ༨ஊʣ w ৽͍͠৘ใΛಘΔ  બ୒ࢶΛ૿΍͢ʢதʙ্ڃऀ޲͚ʣ w ࢖͍ࠐΜͩ৘ใΛڞ༗͢Δ  બ୒ࢶΛݮΒ͢ʢॳʙதڃऀ޲͚ʣ

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ᶄւ֎+6(ͱͷ࿈ܞ w ૒ํ޲ͷ࿈ܞ w ւ֎ˠ೔ຊ w ৽͍͠৘ใΛಘΔ w ೔ຊˠւ֎ w ೔ຊͷ։ൃݱ৔Ͱഓͬͨ஌ݟ΍޻෉ͳͲͷԠ༻ࣄྫ͸ɺ  े෼ʹւ֎ʹग़͢Ձ஋͕͋Δ

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ͦ͜ʹཱͪ͸͔ͩΔɺӳޠͷน

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ᶄւ֎+6(ͱͷ࿈ܞ w ӳޠͷนΛ৐Γӽ͑Ζʂ w ʮӳޠ͕େࣄʯͬͯԯճ͘Γ͔͑͠ݴ͏ΑΓ  ւ֎ΧϯϑΝϨϯεʹࢀՃ͢Δํ͕खͬऔΓૣ͍ w ʮւ֎ΧϯϑΝϨϯεʹߦ͚ʯͬͯ  ԯճ͘Γ͔͑͠ݴ͏ΑΓ  ӳޠηογϣϯΛ૿΍͢΄͏͕खͬऔΓૣ͍

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ᶄւ֎+6(ͱͷ࿈ܞ w $$$ͷӳޠηογϣϯ਺ʢ˞௨༁ͳ͠ʣ w ळ w य़ w ळ ΞϯΧϯϑΝϨϯε w य़ ϋϯζΦϯ

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ᶄւ֎+6(ͱͷ࿈ܞ w ࠓޙ΍Γ͍ͨ͜ͱ w ++6($$$ͷӳޠηογϣϯΛܧଓվળ w +0OTFO΍όΠΫπΞʔͷܧଓ w ւ֎ͷ+BWBΤϯδχΞ͕೔ຊʹཱྀߦ͢Δࡍɺ  ཱྀߦઌͷίϛϡχςΟΠϕϯτʹࢀՃͯ͠΋Β͏ w ೔ຊͷ+BWBΤϯδχΞ͕ւ֎Πϕϯτʹ  ࢀՃొஃ͢ΔͷΛαϙʔτ͍ͨ͠ʢʂʣ

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৘ใΛಘΔ͜ͱൃ৴͢Δ͜ͱ  ͍ͣΕʹ͓͍ͯ΋  ࣗ෼ͨͪͷ΍ΓํΛʮ٬؍తʯʹ  ݟͭΊΔػձͱͳΔ

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ᶅ஍ํ+BWBίϛϡχςΟͱͷ࿈ܞ w എܠ w ஍ํͷ+BWBίϛϡχςΟ͕ొஃऀΛݺͿࡍͷ  ౉ߤඅ॓ധඅαϙʔτΛଓ͚͍ͯΔ w ͲΕ͚ͩ໾ཱ͍ͬͯΔ͔෼͔Βͳ͍ w ͦ΋ͦ΋஍ํͰԿʹࠔ͍ͬͯΔ͔Λ஌Βͳ͍

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ᶅ஍ํ+BWBίϛϡχςΟͱͷ࿈ܞ w ࠓޙ΍Γ͍ͨ͜ͱ w ֤஍ͷ+BWBίϛϡχςΟͱͷ  ఆظతͳΦϯϥΠϯձٞ w ίϛϡχςΟӡӦͷͨΊͷϦιʔεࢧԉ

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ᶆॳ৺ऀ޲͚ίϯςϯπͷॆ࣮ w എܠ w ++6($$$ͷ$BMMGPS1BQFSTʹ͸  Ϩϕϧͷߴ͍Ԡื͕਺ଟ͘དྷΔ w ॳ৺ऀʹ͸೉͍͠ηογϣϯ͕΄ͱΜͲ w ++6(φΠτηϛφʔ΋ॳ৺ऀ޲͚͸  ೥ʹʙճ͔͠Ͱ͖͍ͯͳ͍

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ᶆॳ৺ऀ޲͚ίϯςϯπͷॆ࣮ w ͦ͏ͳΔഎܠ w ਓ͸جຊతʹʮࣗ෼ֶ͕Μͩ͜ͱʯ΍  ʮࣗ෼๊͕͍͑ͯͨ՝୊ʯΛத৺ʹ࿩͢ w ొஃ͢ΔΤϯδχΞ͸Ϩϕϧ͕ߴ͍  ֶΜͩ͜ͱ΍ɺ՝୊ͷϨϕϧ͕ߴ͍ w ॳ৺ऀ޲͚ͷηογϣϯ͸  ͦΕͱ͸ผͰ४උ͠ͳͯ͘͸ͳΒͳ͍

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ʢืूʣ  ॳ৺ऀ޲͚ͷ࿩Λ͍ͨ͠ਓ͸  ʮͦΕ͚ͩͰوॏʯͳͷͰ  ͥͻφΠτηϛφʔͰͷొஃ΍  $BMMGPS1BQFSTఏग़Λ  ͍ͯͩ͘͠͞ʂ

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ᶆॳ৺ऀ޲͚ίϯςϯπͷॆ࣮ w ࠓޙ΍Γ͍ͨ͜ͱ w ॳ৺ऀ޲͚ηογϣϯ΍ϋϯζΦϯͷॆ࣮ w اۀͱ૊Ήʁ w ॳ৺ऀ޲͚ߨशΛߦ͏ΤϯδχΞʹରͯ͠  ΠϯηϯςΟϒΛઃ͚Δʁ

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ͱɺ΍Γ͍ͨ͜ͱ͸༷ʑ͋Γ·͕͢

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ӡӦͷख͕଍Γͳ͍ʂ

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ͳͥ++6(ͱ$$$ͷ  ૊৫Λ෼͚ͨͷ͔ʁ

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γϯϓϧͳཧ༝ɿ ӡӦͷϦιʔεෆ଍

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Ϧιʔεෆ଍Ͱʁ ૊৫Λ෼͚Δʁ അࣛͳͷʁࢮ͵ͷʁ

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͍··Ͱଧͬͨࡦ $$$ϘϥϯςΟΞͷืू Πϕϯτελοϑͷืू

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݁Ռ ΠϕϯτӡӦ͕େ෯ʹָʹͳͬͨ  ʢװࣄ͕ർฐ͠ͳ͘ͳͬͨʣ

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࣍ͷ՝୊ ++6(װࣄͷෆ଍

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++6(͸ϘϥϯςΟΞͷװࣄ͕  ࢓ࣄͷ߹ؒʹӡӦΛ͍ͯ͠Δ ϘϥϯςΟΞͳͷͰ  ੵۃతͳਓ΄Ͳෛՙ͕ूத͢Δ  ʢ๩͍͠ਓ͕શ෦΍Δʣ

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ফۃతʹͳͬͯΔ࣌ͷ๻  ʮ͋Ε΍Γ͍ͨɻ͜Ε΍Γ͍ͨʯ ੵۃతʹͳͬͯΔ࣌ͷ๻  ʮφΠτηϛφʔͱ$$$ͷ४උͰ  ๩ͯͦ͘͠ΕͲ͜Ζ͡Όͳ͍ʯ

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ʮ΍Γ͍ͨ͜ͱʯͱ  ʮ΍Δ΂͖͜ͱʯͷ  όϥϯε

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װࣄձͰͷ࿩୊͸͍͍͕ͩͨ  ʮ࣍ͷʯ++6($$$ͷ࿩ དྷ݄ɺ݄ͷװࣄձ͔Β  ++6($$$'BMMͷ  ४උ͕࢝·Δ

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ʮ$$$͕ෛ୲ͳΒ  $$$Λ೥ճʹ͢Ε͹  ͍͍͡Όͳ͍ʁʯ

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൒೥ʹճ͔ͩΒͦ͜  ӡӦεΩϧΛܧଓͰ͖Δ  ʢ೥ճʹ͢Δͱɺ๨ΕΔʣ

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ʮ$$$͕ෛ୲ͳΒ  ֎෦ʹҕୗ͢Ε͹  ͍͍͡Όͳ͍ʁʯ

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͍·ͷ༧ࢉͰ͸গ͠ݫ͍͠ɻ

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ʮ༧ࢉ͕଍Γͳ͍ͳΒ  $$$Λ༗ঈԽ͢Ε͹  ͍͍͡Όͳ͍ʁʯ

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༗ঈΠϕϯτΛߦ͏͜ͱʹΑΔ  װࣄ΁ͷϓϨογϟʔ૿

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ീํ࠹͕Γ͡ΌΜʂ

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ʮ$$$͕ෛ୲Ͱ͋Ε͹  $$$ͱ++6(Λ੾Γ཭ͤ͹  ͦΕͧΕਐΉͷͰ͸ʁʯ

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ͦ͏΍ͬͯɺࢼߦࡨޡΛ͠ͳ͕Β  ΍Γ͍ͨ͜ͱΛ  Ͱ͖ΔΑ͏ʹ͢ΔͨΊʹ  ૊৫Λ࡞͍͖ͬͯ·͢ʂ

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Ҏ্ʂ ʢҎ߱͸εϥΠυඇެ։ʣ