まだ間に合うMaven(再)入門 #jjug

by https://speakerdeck.com/yusuke

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ࢁຊϢʔεέ!ZVTVLF ·ͩؒʹ߹͏.BWFO ࠶ ೖ໳

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ຊ೔࿩͢͜ͱ w +BWBͷϏϧυํࣜͷྺ࢙ w .BWFOͷجຊ w .BWFOϓϩδΣΫτͷ࡞੒ํ๏ w ґଘϥΠϒϥϦͷ௥Ճ w .BWFOʹΑΔϏϧυ w .BWFOͷ࠷৽৘ใ

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ຊ೔࿩͞ͳ͍͜ͱ w ݸผͷ*%&ͷৄࡉͳར༻ํ๏ w $*πʔϧ΍ύοέʔδαʔϏε࿈ܞͱ͍ͬͨൃలతͳ.BWFOͷ࢖͍ํ

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ϏϧυճΓͰσϕϩού͕ߦ͍͍ͨ͜ͱ w ίϯύΠϧ w ςετ w ύοέʔδ KBSXBSFBSEPDLFSΠϝʔδ࡞੒ w ੒Ռ෺Λڞ༗ ଞͷσϕϩούɺ$*؀ڥɺύοέʔδϦϙδτϦ

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+BWBͷϏϧυํࣜͷྺ࢙

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+BWBͷϏϧυํࣜͷྺ࢙ खಈͰίϚϯυϥΠϯϏϧυ w ຖճख࡞ۀ w ཤྺ͚͕ͩཔΓ w ଞͷਓ͕࠶ݱग़དྷͳ͍

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+BWBͷϏϧυํࣜͷྺ࢙ όονϑΝΠϧ CBU ɺγΣϧεΫϦϓτ TI w ϏϧυεΫϦϓτΛڞ༗Ͱ͖Δ w ϓϥοτϑΥʔϜʹґଘ͢Δ

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+BWBͷϏϧυํࣜͷྺ࢙ *%&ͰϏϧυ DMBTTQBUI w *%&ʹґଘ͢Δ w $*αʔόͰϏϧυ͕ͮ͠Β͍

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+BWBͷϏϧυํࣜͷྺ࢙ "OU w YNMϑΝΠϧͰϏϧυΛఆٛ w ๛෋ͳϓϥάΠϯ IUUQTBOUBQBDIFPSH

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աڈͷϏϧυํࣜͷ໰୊఺ w ϏϧυͰ͖Δ؀ڥ͕ݶఆ͞ΕΔ 04ɺ*%&ͳͲ w खଓ͖ܕͰεΫϦϓτͷهड़ྔ͕ଟ͘ɺϝϯςφϯε͕೉͍͠ w σΟϨΫτϦߏ଄͕ϓϩδΣΫτຖʹ·ͪ·ͪ TSDTPVSDFσΟϨΫτϦʁMJCMJCTσΟϨΫτϦʁ w ιʔείʔυͱҰॹʹϥΠϒϥϦΛ7$4ʹอ؅͕ͪ͠ ग़ॴɺόʔδϣϯෆ໌ͷKBSϑΝΠϧ

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.BWFO(SBEMFΛ࢖͏ͱ w ΫϩεϓϥοτϑΥʔϜͰϏϧυՄೳ w ଟ͕͘σϑΥϧτͰܾ·ΔɺએݴతʹϏϧυΛఆٛՄೳ w ๛෋ͳϓϥάΠϯ w ʮґଘʯΛએݴ͢Ε͹ϥΠϒϥϦΛࣗಈతʹऔಘ

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.BWFO(SBEMFΛ࢖͏ͱ w ΫϩεϓϥοτϑΥʔϜͰϏϧυՄೳ w ଟ͕͘σϑΥϧτͰܾ·ΔɺએݴతʹϏϧυΛఆٛՄೳ w ๛෋ͳϓϥάΠϯ w ʮґଘʯΛએݴ͢Ε͹ϥΠϒϥϦΛࣗಈతʹऔಘ 21ੈل͸Maven͔GradleΛ࢖͍·͠ΐ͏

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.BWFOͷجຊ

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.BWFOͱ͸ w ΫϩεϓϥοτϑΥʔϜͷ+BWBϏϧυπʔϧ w

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.BWFOϓϩδΣΫτͷσΟϨΫτϦߏ੒

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.BWFOϓϩδΣΫτͷσΟϨΫτϦߏ੒ Javaιʔείʔυ Javaςετίʔυ Ϧιʔε (ϓϩύςΟϑΝΠϧͳͲ) ϏϧυఆٛϑΝΠϧ

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͋ΕɺϥΠϒϥϦ͸Ͳ͜ʁ MJCσΟϨΫτϦ MJCTσΟϨΫτϦʁ

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ϥΠϒϥϦ͸ϓϩδΣΫτσΟϨΫτϦʹஔ͔ͳ͍ w ར༻͢Δ ґଘ͢Δ ϥΠϒϥϦ͸QPNYNMʹهࡌ͢Δ͚ͩ

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.BWFOϓϩδΣΫτʹ͓͚Δґଘ ϓϩδΣΫτ͕࢖͏ ґଘ͢Δ ϥΠϒϥϦΛࢦఆ w (SPVQ*EPSHKVOJUKVQJUFSͳͲ w "SUJGBDU*EKVOJUKVQJUFSBQJͳͲ w 7FSTJPOͳͲ

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.BWFOηϯτϥϧϦϙδτϦ w +BWBͷσϑΝΫτελϯμʔυϦϙδτϦ IUUQTSFQPNBWFOPSHNBWFO w ϝδϟʔͳϥΠϒϥϦ͕΄΅ἧ͍ͬͯΔ IUUQTSFQPNBWFOPSHNBWFOPSHKVOJUKVQJUFSKVOJUKVQJUFS IUUQTSFQPNBWFOPSHNBWFOMPHKMPHK IUUQTSFQPNBWFOPSHNBWFOPSHUXJUUFSKUXJUUFSKDPSF w ηϯτϥϧϦϙδτϦҎ֎΋ࢦఆՄೳ

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.BWFOϓϩδΣΫτͷϥΠϒϥϦ w ϗʔϜσΟϨΫτϦNSFQPTJUPSZҎԼʹอ؅ w μ΢ϯϩʔυͨ͠ϥΠϒϥϦΛΩϟογϡ w 7$4ʹϥΠϒϥϦͷίϛοτෆཁ w QPNYNMͰʮґଘ EFQFOEFODZ ʯΛࢦఆ

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.BWFOͷΠϯετʔϧํ๏ brew install mv n sdk install maven 3.6. 3

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.BWFOͷΠϯετʔϧํ๏ wεςοϓ wεςοϓ wεςοϓ

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.BWFOͷΠϯετʔϧํ๏ wεςοϓ޷Έͷ*%&ΛΠϯετʔϧ͢Δ wεςοϓ wεςοϓ

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.BWFOͷΠϯετʔϧํ๏ wεςοϓ޷Έͷ*%&ΛΠϯετʔϧ͢Δ wεςοϓऴΘΓ wεςοϓ

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.BWFOϓϩδΣΫτͷ࡞੒ํ๏

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.BWFOϓϩδΣΫτͷ࡞੒ํ๏ ίϚϯυϥΠϯ͔Β mvn archetype:generate \ -DgroupId=com.samuraism.app \ -DartifactId=my-app \ -DarchetypeArtifactId=maven-archetype-quickstart \ -DarchetypeVersion=RELEASE \ -DinteractiveMode=false BSDIFUZQF"SUJGBDUϓϩδΣΫτςϯϓϨʔτ %BSDIFUZQF"SUJGBDU*E

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.BWFOϓϩδΣΫτͷ࡞੒ํ๏ &DMJQTF͔Β

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.BWFOϓϩδΣΫτͷ࡞੒ํ๏ &DMJQTF͔Β

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.BWFOϓϩδΣΫτͷ࡞੒ํ๏ *OUFMMJ+*%&"͔Β

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.BWFOϓϩδΣΫτͷ࡞੒ํ๏ /FU#FBOT͔Β

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ґଘϥΠϒϥϦͷ௥Ճ

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ґଘϥΠϒϥϦͷ௥Ճ QPNYNM͔Β w EFQFOEFODJFTཁૉԼʹEFQFOEFODZཁૉͰࢦఆ

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ґଘϥΠϒϥϦͷ௥Ճ *%&͔Β *OUFMMJ+*%&"/FU#FBOT w ࢖͍͍ͨγϯϘϧ໊Λॻ͍ͯ"MU&OUFS

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ґଘϥΠϒϥϦͷ௥Ճ *%&͔Β &DMJQTF w QPNYNMΛӈΫϦοΫɺ"EE%FQFOEFODZ

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ґଘϥΠϒϥϦͷείʔϓ w σϑΥϧτ͸DPNQJMF w ςετέʔεͰ͔͠࢖Θͳ͍΋ͷ͸TDPQFUFTUTDPQF w ΞϓϦέʔγϣϯαʔό౳Ͱఏڙ͞ΕΔ΋ͷ͸TDPQFQSPWJEFETDPQF

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ϥΠϒϥϦͷݕࡧ IUUQTTFBSDINBWFOPSH

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.BWFOʹΑΔϏϧυ

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.BWFOʹΑΔίϯύΠϧ ίϚϯυϥΠϯ͔Β % mvn compile

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.BWFOʹΑΔίϯύΠϧ *%&͔Β

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NWODPNQJMFͰߦΘΕΔओͳ͜ͱ ґଘϥΠϒϥϦΛ ඞཁʹԠͯ͡ μ΢ϯϩʔυ NBJO಺ͷKBWBΛίϯύΠϧͯ͠UBSHFUDMBTTFTʹDMBTTϑΝΠϧΛੜ੒ NBJOSFTPVSDFTσΟϨΫτϦҎԼͷϑΝΠϧΛUBSHFUDMBTTFTʹίϐʔ

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.BWFOʹΑΔςετ

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.BWFOʹΑΔςετ ίϚϯυϥΠϯ͔Β % mvn test *%&͔Β

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NWOUFTUͰߦΘΕΔओͳ͜ͱ ίϚϯυϥΠϯ͔Β NWODPNQJMF UFTU಺ͷKBWBΛίϯύΠϧͯ͠UBSHFUUFTUDMBTTFTʹDMBTTϑΝΠϧΛੜ੒ UFTUSFTPVSDFTҎԼͷϑΝΠϧΛUBSHFUUFTUDMBTTFTʹίϐʔ ϓϩδΣΫτ಺ͷςετέʔεΛ࣮ߦ

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+6OJUΛ࢖͍ͬͯΔ৔߹ σϑΥϧτͰ͸ςετ͕࣮ߦ͞Εͳ͍ ೥݄೔ݱࡏ ࠷৽TVSF f i SFϏϧυϓϥάΠϯΛ໌ࣔతʹࢦఆ maven-surefire-plugin 2.22.2

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.BWFOʹΑΔύοέʔδ

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NWOQBDLBHFͰߦΘΕΔओͳ͜ͱ ίϚϯυϥΠϯ͔Β NWODPNQJMF NWOUFTU ςετ͕શͯ੒ޭ͢Ε͹ UBSHFUʹKBSϑΝΠϧΛ࡞੒

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.BWFOʹΑΔΠϯετʔϧ

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NWOJOTUBMMͰߦΘΕΔओͳ͜ͱ ίϚϯυϥΠϯ͔Β NWODPNQJMF NWOUFTU ςετ͕શͯ੒ޭ͢Ε͹ NWOQBDLBHF ϗʔϜNSFQPTJUPSZσΟϨΫτϦʹ੒Ռ෺Λίϐʔ

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஌͓ͬͯ͘ͱศར w NWODMFBO ੜ੒͞ΕͨϑΝΠϧΛશͯ࡟আ͢Δ w %NBWFOUFTUTLJQUSVF ςετΛεΩοϓ͢Δ w NWOEFQFOEFODZUSFF ґଘϥΠϒϥϦΛҰཡදࣔ w NWOEFQMPZ σϓϩΠ ੒Ռ෺Λڞ༗ % mvn -Dmaven.test.skip=true install

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༷ʑͳύοέʔδϦϙδτϦʹσϓϩΠՄೳ +FU#SBJOT4QBDF (JU)VC +'SPH

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ͲͷόʔδϣϯΛ࢖͏΂͖ʁ w +BWBҎ߱.BWFO w +BWB.BWFO w +BWB.BWFO w +BWB·ͨ͸ͦΕҎલ.BWFOԽͱಉ࣌ʹ+BWB ·ͨ͸+BWB ΁Ҏ߱ ࢀߟ.BWFO3FMFBTFT)JTUPSZ IUUQTNBWFOBQBDIFPSHEPDTIJTUPSZIUNM

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.BWFOͰԿ͕มΘΔʁ w ϚϧνϞδϡʔϧϏϧυͷվળ w SFTVNFͰࣦഊͨ͠Ϟδϡʔϧ͔ΒϏϧυ w NWOKFUUZSVOͳͲͰඞཁͳϞδϡʔϧΛϏϧυͯ͘͠ΕΔ w ਌ϞδϡʔϧΛࢦఆ͢Ε͹શࢠϞδϡʔϧΛϏϧυ NWOQMFYUFOTJPOTHSQDDPEFHFO FYUFOTJPOTHSQDEFQMPZNFOUʜʜˠNWOQMFYUFOTJPOTHSQD w .BWFO8SBQQFS NWOX ͕ඪ४ʹ w ࣗಈόʔδϣχϯά ਌Ϟδϡʔϧͷόʔδϣϯ͕ࢦఆෆཁʹ ࢀߟ8IBUT/FXJO.BWFO IUUQTNBBSUFONVMEFSTJUXIBUTOFXJONBWFO

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.BWFOͷ։ൃঢ়گΛ஌Δ IUUQTJTTVFTBQBDIFPSHKJSBQSPKFDUT./(WFSTJPOT

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·ͱΊ w TIɺCBUɺCVJMEYNM "OU ͰϏϧυ͍ͯ͠Δ৔߹ɺࠓ೔͔Β࢝ΊΑ͏ w .BWFO (SBEMF w ಋೖͨ͠Β௅ઓ͠Α͏ w $* w 5%% w ύοέʔδϦϙδτϦ