࠷৽+BWBͱ*%& @yusuke ࢁຊϢʔεέ

w5XJUUFS"1*+BWBϥού5XJUUFS+ wεϨουμϯϓղੳπʔϧࣆ ࢁຊϢʔεέ

-*/&Φʔϓϯνϟοτ+BWB

wגࣜձࣾαϜϥΠζϜ୅ද ։ൃऀ޲͚ͷπʔϧͷൢച΍Մೳ +FU#SBJOTͷ૯୅ཧళ $*࿈ܞπʔϧ🌀$*DMPOFͷ։ൃ ࢁຊϢʔεέ

+FU#SBJOT*OUFMMJ+*%&" 1FSGPSDF+BWB%FWFMPQFS1SPEVDUJWJUZ3FQPSUΑΓ IUUQTXXXKSFCFMDPNSFTPVSDFTKBWBEFWFMPQFSQSPEVDUJWJUZSFQPSU

೪Γڧ͍+BWBਓؾ 1FSGPSDF+BWB%FWFMPQFS1SPEVDUJWJUZ3FQPSUΑΓ IUUQTXXXKSFCFMDPNSFTPVSDFTKBWBEFWFMPQFSQSPEVDUJWJUZSFQPSU

+BWBɺಋೖ͠·ͨ͠

+BWB͔Β΁Ҡߦͯ͠͏Ε͍͜͠ͱ

wಛʹແ͠ +BWB͔Β΁Ҡߦͯ͠͏Ε͍͜͠ͱ

࠷৽+BWB΁ͷҠߦॱ +BWB +BWB +BWB +BWB +BWBҎલ 㾎 +BWBʙ 㾎 +BWB 㾎 +BWB 㾎

Switch Expressions TXJUDIΛࣜͱͯ͠දݱՄೳ Text Blocks ݁߹ͳ͠ʹෳ਺ߦςΩετΛදݱ Pattern Matching for instanceof JOTUBODFPG࣌ͷΩϟετ͕ෆཁ Records ΠϛϡʔλϒϧͳΫϥεΛγϯϓϧʹهड़ Virtual Threads ܰྔͳεϨου +BWB·Ͱͷओͳݴޠػೳͷ·ͱΊ

+%,Ξοϓσʔτͷεςοϓ ςετ࣮ߦ ςετ੔උ मਖ਼ +%,Ξοϓσʔτ ςετ࣮ߦ मਖ਼ ίʔυվળ ςετ࣮ߦ मਖ਼

.BWFOϓϩδΣΫτͷ+BWBҠߦ CVJME QMVHJOT QMVHJO HSPVQ*EPSHBQBDIFNBWFOQMVHJOTHSPVQ*E BSUJGBDU*ENBWFODPNQJMFSQMVHJOBSUJGBDU*E WFSTJPOWFSTJPO DPO fi HVSBUJPO SFMFBTFSFMFBTF DPNQJMFS"SHTFOBCMFQSFWJFXDPNQJMFS"SHT DPO fi HVSBUJPO QMVHJO QMVHJOT CVJME QSPQFSUJFT NBWFODPNQJMFSTPVSDFNBWFODPNQJMFSTPVSDF NBWFODPNQJMFSUBSHFUNBWFODPNQJMFSUBSHFU QSPKFDUCVJMETPVSDF&ODPEJOH65'QSPKFDUCVJMETPVSDF&ODPEJOH QSPQFSUJFT Java 20Λ༗ޮʹͯ͠Ϗϧυ ϓϨϏϡʔػೳΛ༗ޮʹͯ͠Ϗϧυ

(SBEMFϓϩδΣΫτͷ+BWBҠߦ DPNQJMF+BWB\ PQUJPOTDPNQJMFS"SHT<FOBCMFQSFWJFX> ^ DPNQJMF5FTU+BWB\ PQUJPOTDPNQJMFS"SHT<FOBCMFQSFWJFX> ^ UFTU\ KWN"SHTFOBCMFQSFWJFX VTF+6OJU1MBUGPSN ^ KBWB\ UPPMDIBJO\ MBOHVBHF7FSTJPO+BWB-BOHVBHF7FSTJPOPG ^ ^ Java 20Λ༗ޮʹͯ͠Ϗϧυ ϓϨϏϡʔػೳΛ༗ޮʹͯ͠Ϗϧυ

ઃఆ > Build, Execution, Deployment > Build Tools > Gradle Gradle JVMΛJava 19·ͨ͸ͦΕҎલʹઃఆ

σϞΞϓϦέʔγϣϯͷઆ໌

w0QU3FUVSO NBD "MU&OUFS 8JO-JOVY *OUFMMJ+*%&"ͷΫΠοΫϑΟοΫε

w*OTQFDU$PEFʜ ίʔυͷ੩తղੳ

wϒϨʔΫϙΠϯτͰఀࢭ wʮͦͷεϨου͚ͩఀࢭʯ΋Մೳ εϨου໰୊ͷσόοάجຊ

wεϨουμϯϓ w֤εϨου͕ʮࠓԿΛ͍ͯ͠Δ͔ʯΛऔಘ εϨου໰୊ͷσόοάجຊ

wੜ࢈ੑ͕ߴ͍+BWB w࣍ͷ+BWB͸-54 ·ͱΊ

͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠