jshell概要

KTIFMM֓ཁ ʢ+BWB৽ػೳ঺հ ϏΞόογϡ !FJDIJTBOEFO

+BWBʹ଴๬ͷ3&1-͕࣮૷ 3&"%&7"-13*/5-001 ͦ͏Ͱ͢ɺKTIFMMͰ͢

ɾٕज़ॻΛࣸܦ͍ͨ͠ ɾϨϏϡʔதɺؾʹͳΔՕॴΛͪΐͬͱࢼͯ͠Έ͍ͨ ɾίʔσΟϯάதɺࢥߟࡨޡ͍ͨ͠ ɾݸਓͰ࢖͏ͪΐͬͱͨ͠πʔϧʹ ͜Μͳ࣌ʹศརͦ͏

෼͔Γ΍͢͞ॏࢹͰɺͱΓ͋͑ͣ͸WͰͷىಈ͕Φεεϝ KTIFMMW c+4IFMM΁Α͏ͦ͜όʔδϣϯ c֓ཁʹ͍ͭͯ͸ɺ࣍Λೖྗ͍ͯͩ͘͠͞IFMQJOUSP KTIFMMFYJU cऴྃ͠·͢ ىಈఀࢭ

৽͍͠DMBTTΛ࡞੒ͯ͠NBJOϝιουΛॻ͍ͯ WJ)FMMPKBWB DBU)FMMPKBWB DMBTT)FMMP\ QVCMJDTUBUJDWPJENBJO 4USJOHBSHT \ 4ZTUFNPVUQSJOUMO )FMMPXPSME
^ ^ ίϯύΠϧͯ͠ KBWBD)FMMPKBWB ΍ͬͱ࣮ߦ KBWB)FMMP )FMMPXPSME +BWB·Ͱͷ)FMMPXPSME

͜Ε͔Βͷ)FMMPXPSME KTIFMM c+4IFMM΁Α͏ͦ͜όʔδϣϯ c֓ཁʹ͍ͭͯ͸ɺ࣍Λೖྗ͍ͯͩ͘͠͞IFMQJOUSP ηϛίϩϯ͸লུՄೳͰ͢ KTIFMM4ZTUFNPVUQSJOUMO )FMMPXPSME )FMMPXPSME

͜Ε͔Βͷ)FMMPXPSME 13*/5*/(εΫϦϓτΛىಈ࣌ʹಡΈࠐΈ͜ΜͰΈΔ KTIFMMTFUTUBSUSFUBJO%&'"6-513*/5*/( KTIFMMFYJU cऴྃ͠·͢ KTIFMMW c+4IFMM΁Α͏ͦ͜όʔδϣϯ c֓ཁʹ͍ͭͯ͸ɺ࣍Λೖྗ͍ͯͩ͘͠͞IFMQJOUSP 4ZTUFNPVU͕লུͰ͖·͢ KTIFMMQSJOUMO
)FMMPXPSME )FMMPXPSME

ىಈεΫϦϓτͷਖ਼ମ KTIFMMMJTUTUBSU TJNQPSUKBWBJP TJNQPSUKBWBNBUI TJNQPSUKBWBOFU TJNQPSUKBWBOJPpMF
TJNQPSUKBWBVUJM TJNQPSUKBWBVUJMDPODVSSFOU TJNQPSUKBWBVUJMGVODUJPO TJNQPSUKBWBVUJMQSFGT TJNQPSUKBWBVUJMSFHFY TJNQPSUKBWBVUJMTUSFBN TWPJEQSJOU CPPMFBOC \4ZTUFNPVUQSJOU C ^ TWPJEQSJOU DIBSD \4ZTUFNPVUQSJOU D ^ TWPJEQSJOU JOUJ \4ZTUFNPVUQSJOU J ^ TWPJEQSJOU MPOHM \4ZTUFNPVUQSJOU M ^ TWPJEQSJOU qPBUG \4ZTUFNPVUQSJOU G ^ TWPJEQSJOU EPVCMFE \4ZTUFNPVUQSJOU E ^ ʢলུʣ TWPJEQSJOUG 4USJOHGPSNBU 0CKFDUBSHT \4ZTUFNPVUQSJOUG GPSNBU BSHT ^ ͜Μͳײ͡ʹఆٛͯ͠Δ͚ͩͳͷͰࣗ෼Ͱ΋௥ՃՄೳͰ͢Ͷ %&'"6-5ͷ಺༰ ʢॳظঢ়ଶͰಡΈࠐ·Ε͍ͯ·͢ʣ 13*/5*/(ͷ಺༰

ม਺ KTIFMMJOUJ J c࣍Λ࡞੒͠·ͨ͠ม਺JJOU ໌ࣔతʹม਺ʹड͚ͳ͍৔߹͸εΫϥονม਺͕࡞੒͞Ε·͢ KTIFMM cεΫϥονม਺JOU͕࡞੒͞Ε·ͨ͠ ޙ͔Β࢖༻ՄೳՄೳ
KTIFMMJ cεΫϥονม਺JOU͕࡞੒͞Ε·ͨ͠ WBSTͰ֬ೝՄೳ KTIFMMWBST cJOUJ cJOU cJOU

ϝιου KTIFMMJOUUXJDF JOUJ \ SFUVSOJ ^ c࣍Λ࡞੒͠·ͨ͠ϝιουUXJDF JOU
KTIFMMUXJDF cεΫϥονม਺JOU͕࡞੒͞Ε·ͨ͠ KTIFMMNFUIPET cJOUUXJDF JOU

DMBTT KTIFMMDMBTT)FMMP\ QVCMJDTUBUJDWPJENBJO 4USJOHBSHT \ 4ZTUFNPVUQSJOUMO )FMMPXPSME ^ ^
c࣍Λ࡞੒͠·ͨ͠Ϋϥε)FMMP KTIFMM)FMMPNBJO )FMMPXPSME KTIFMMUZQFT cDMBTT)FMMP

ϑΝΠϧʹอଘಡΈࠐΈ KTIFMMTBWFdTSDKTIFMMTBWFKTI ಡΈࠐΉͱ࣮ߦ΋͞ΕΔͷͰ஫ҙ KTIFMMPQFOdTSDKTIFMMTBWFKTI )FMMPXPSME

KTIFMMMJTU )FMMPIFMMPOFX)FMMP KTIFMMFEJU·ͨ͸FEJUIFMMP ඪ४ͷΤσΟλ্ཱ͕͕ͪΓ·͢ ΤσΟλ͸มߋՄೳͰ͢ KTIFMMTFUFEJUPSWJN cΤσΟλ͸࣍ʹઃఆ͞Ε͍ͯ·͢WJN ΤσΟλͰฤू

֎෦KBSΛࢀর KTIFMMFOWDMBTTQBUIdTSDKTIFMMMJCDPNNPOTMBOHKBS KTIFMMJNQPSUPSHBQBDIFDPNNPOTMBOH4USJOH6UJMT KTIFMM4USJOHT4USJOH6UJMTUSJN B TB c࣍Λ࡞੒͠·ͨ͠ม਺T4USJOH

5BCೖྗิ׬ KTIFMMIPHFTVCTUSJOH γάωνϟ 4USJOH4USJOHTVCTUSJOH JOUCFHJO*OEFY 4USJOH4USJOHTVCTUSJOH JOUCFHJO*OEFY JOUFOE*OEFY
υΩϡϝϯτΛදࣔ͢Δʹ͸λϒΛ࠶౓ԡ͍ͯͩ͘͠͞ KTIFMMIPHFTVCTUSJOH 4USJOH4USJOHTVCTUSJOH JOUCFHJO*OEFY 3FUVSOTBTUSJOHUIBUJTBTVCTUSJOHPGUIJTTUSJOH5IFTVCTUSJOHCFHJOTXJUIUIFDIBSBDUFS BU UIFTQFDJpFEJOEFYBOEFYUFOETUPUIFFOEPGUIJTTUSJOH &YBNQMFT VOIBQQZTVCTUSJOH SFUVSOTIBQQZ )BSCJTPOTVCTUSJOH SFUVSOTCJTPO FNQUJOFTTTVCTUSJOH SFUVSOT BOFNQUZTUSJOH

TIJGU UBCW ͜͜·Ͱೖྗͯ͠TIJGU UBCW KTIFMM$BMFOEBSHFU*OTUBODF ม਺ͷ࡞੒Λαϙʔτͯ͘͠Ε·͢ KTIFMM$BMFOEBSʻ͜͜ʹΧʔιϧ͕͘Δʼ$BMFOEBSHFU*OTUBODF ˞.BDͷ৔߹Ͱ͢ɺ8JOEPXT͸γϣʔτΧοτ͕ҧ͏͔΋

TIJGU UBCJ ະΠϯϙʔτͷΫϥεΛೖྗͯ͠TIJGU UBCJ͢ΔͱɺJNQPSU͢Δ͔ฉ͍ͯ͘Ε·͢ KTIFMM-PDBM%BUF Կ΋͠ͳ͍ JNQPSUKBWBUJNF-PDBM%BUF બ୒ *NQPSUFEKBWBUJNF-PDBM%BUF ˞.BDͷ৔߹Ͱ͢ɺ8JOEPXT͸γϣʔτΧοτ͕ҧ͏͔΋

EFCVHͰ಺෦ॲཧΛ஌Δ KTIFMMEFCVH c%FCVHHJOHPO KTIFMM4ZTUFNPVUQSJOUMO )FMMPXPSME $PNQJMJOH4ZTUFNPVUQSJOUMO )FMMPXPSME ,JOE&913&44*0/@45"5&.&/54ZTUFNPVUQSJOUMO
)FMMPXPSME DPNQJMF"OE-PBE<6OJU OVMM > TFU$PNQJMBUJPO*OGP 4OJQQFU4UBUFNFOU,FZ4ZTUFNPVUQSJOUMO )FMMPXPSME QBDLBHF3&1- JNQPSUKBWBJP JNQPSUKBWBNBUI JNQPSUKBWBOFU JNQPSUKBWBOJPp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

ࢀߟ +BWB1MBUGPSN 4UBOEBSE&EJUJPO+BWB4IFMM6TFS`T(VJEF IUUQTEPDTPSBDMFDPNKBWBTFKTIFMMTDSJQUTIUN+4)&-(6*% $"""%##%'"& *OUSPEVDUJPOUP+4IFMMUIF+BWB3&1-5PPMKKVH@DDDDDD@BC IUUQTXXXTMJEFTIBSFOFUCJUUFS@GPYJOUSPEVDUJPOUPKTIFMMUIFKBWBSFQMUPPM

ͱΓ͋͑ͣ+BWB Πϯετʔϧͯ͠ΈΑ͏

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jshell概要

jshell概要

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KTIFMM֓ཁ ʢ+BWB৽ػೳ঺հ ϏΞόογϡ !FJDIJTBOEFO

+BWBʹ଴๬ͷ3&1-͕࣮૷ 3&"%&7"-13*/5-001 ͦ͏Ͱ͢ɺKTIFMMͰ͢

ɾٕज़ॻΛࣸܦ͍ͨ͠ ɾϨϏϡʔதɺؾʹͳΔՕॴΛͪΐͬͱࢼͯ͠Έ͍ͨ ɾίʔσΟϯάதɺࢥߟࡨޡ͍ͨ͠ ɾݸਓͰ࢖͏ͪΐͬͱͨ͠πʔϧʹ ͜Μͳ࣌ʹศརͦ͏

෼͔Γ΍͢͞ॏࢹͰɺͱΓ͋͑ͣ͸WͰͷىಈ͕Φεεϝ KTIFMMW c+4IFMM΁Α͏ͦ͜όʔδϣϯ c֓ཁʹ͍ͭͯ͸ɺ࣍Λೖྗ͍ͯͩ͘͠͞IFMQJOUSP KTIFMMFYJU cऴྃ͠·͢ ىಈఀࢭ

৽͍͠DMBTTΛ࡞੒ͯ͠NBJOϝιουΛॻ͍ͯ WJ)FMMPKBWB DBU)FMMPKBWB DMBTT)FMMP\ QVCMJDTUBUJDWPJENBJO 4USJOHBSHT \ 4ZTUFNPVUQSJOUMO )FMMPXPSME

͜Ε͔Βͷ)FMMPXPSME KTIFMM c+4IFMM΁Α͏ͦ͜όʔδϣϯ c֓ཁʹ͍ͭͯ͸ɺ࣍Λೖྗ͍ͯͩ͘͠͞IFMQJOUSP ηϛίϩϯ͸লུՄೳͰ͢ KTIFMM4ZTUFNPVUQSJOUMO )FMMPXPSME )FMMPXPSME

͜Ε͔Βͷ)FMMPXPSME 13/5/(εΫϦϓτΛىಈ࣌ʹಡΈࠐΈ͜ΜͰΈΔ KTIFMMTFUTUBSUSFUBJO%&'"6-513/5/( KTIFMMFYJU cऴྃ͠·͢ KTIFMMW c+4IFMM΁Α͏ͦ͜όʔδϣϯ c֓ཁʹ͍ͭͯ͸ɺ࣍Λೖྗ͍ͯͩ͘͠͞IFMQJOUSP 4ZTUFNPVU͕লུͰ͖·͢ KTIFMMQSJOUMO

ىಈεΫϦϓτͷਖ਼ମ KTIFMMMJTUTUBSU TJNQPSUKBWBJP TJNQPSUKBWBNBUI TJNQPSUKBWBOFU TJNQPSUKBWBOJPpMF

ม਺ KTIFMMJOUJ J c࣍Λ࡞੒͠·ͨ͠ม਺JJOU ໌ࣔతʹม਺ʹड͚ͳ͍৔߹͸εΫϥονม਺͕࡞੒͞Ε·͢ KTIFMM cεΫϥονม਺JOU͕࡞੒͞Ε·ͨ͠ ޙ͔Β࢖༻ՄೳՄೳ

ϝιου KTIFMMJOUUXJDF JOUJ \ SFUVSOJ ^ c࣍Λ࡞੒͠·ͨ͠ϝιουUXJDF JOU

DMBTT KTIFMMDMBTT)FMMP\ QVCMJDTUBUJDWPJENBJO 4USJOHBSHT \ 4ZTUFNPVUQSJOUMO )FMMPXPSME ^ ^

ϑΝΠϧʹอଘಡΈࠐΈ KTIFMMTBWFdTSDKTIFMMTBWFKTI ಡΈࠐΉͱ࣮ߦ΋͞ΕΔͷͰ஫ҙ KTIFMMPQFOdTSDKTIFMMTBWFKTI )FMMPXPSME

KTIFMMMJTU )FMMPIFMMPOFX)FMMP KTIFMMFEJU·ͨ͸FEJUIFMMP ඪ४ͷΤσΟλ্ཱ͕͕ͪΓ·͢ ΤσΟλ͸มߋՄೳͰ͢ KTIFMMTFUFEJUPSWJN cΤσΟλ͸࣍ʹઃఆ͞Ε͍ͯ·͢WJN ΤσΟλͰฤू

֎෦KBSΛࢀর KTIFMMFOWDMBTTQBUIdTSDKTIFMMMJCDPNNPOTMBOHKBS KTIFMMJNQPSUPSHBQBDIFDPNNPOTMBOH4USJOH6UJMT KTIFMM4USJOHT4USJOH6UJMTUSJN B TB c࣍Λ࡞੒͠·ͨ͠ม਺T4USJOH

5BCೖྗิ׬ KTIFMMIPHFTVCTUSJOH γάωνϟ 4USJOH4USJOHTVCTUSJOH JOUCFHJOOEFY 4USJOH4USJOHTVCTUSJOH JOUCFHJOOEFY JOUFOE*OEFY

TIJGU UBCW ͜͜·Ͱೖྗͯ͠TIJGU UBCW KTIFMM$BMFOEBSHFUOTUBODF ม਺ͷ࡞੒Λαϙʔτͯ͘͠Ε·͢ KTIFMM$BMFOEBSʻ͜͜ʹΧʔιϧ͕͘Δʼ$BMFOEBSHFUOTUBODF ˞.BDͷ৔߹Ͱ͢ɺ8JOEPXT͸γϣʔτΧοτ͕ҧ͏͔΋

TIJGU UBCJ ະΠϯϙʔτͷΫϥεΛೖྗͯ͠TIJGU UBCJ͢ΔͱɺJNQPSU͢Δ͔ฉ͍ͯ͘Ε·͢ KTIFMM-PDBM%BUF Կ΋͠ͳ͍ JNQPSUKBWBUJNF-PDBM%BUF બ୒ *NQPSUFEKBWBUJNF-PDBM%BUF ˞.BDͷ৔߹Ͱ͢ɺ8JOEPXT͸γϣʔτΧοτ͕ҧ͏͔΋

EFCVHͰ಺෦ॲཧΛ஌Δ KTIFMMEFCVH c%FCVHHJOHPO KTIFMM4ZTUFNPVUQSJOUMO )FMMPXPSME $PNQJMJOH4ZTUFNPVUQSJOUMO )FMMPXPSME ,JOE&913&44*0/@45"5&.&/54ZTUFNPVUQSJOUMO

ࢀߟ +BWB1MBUGPSN 4UBOEBSE&EJUJPO+BWB4IFMM6TFS`T(VJEF IUUQTEPDTPSBDMFDPNKBWBTFKTIFMMTDSJQUTIUN+4)&-(6% $"""%##%'"& OUSPEVDUJPOUP+4IFMMUIF+BWB3&1-5PPMKKVH@DDDDDD@BC IUUQTXXXTMJEFTIBSFOFUCJUUFS@GPYJOUSPEVDUJPOUPKTIFMMUIFKBWBSFQMUPPM

ͱΓ͋͑ͣ+BWB Πϯετʔϧͯ͠ΈΑ͏

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