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最新JavaとIDE #jjug

yusuke
April 01, 2023
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最新JavaとIDE #jjug

yusuke

April 01, 2023
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  1. ࠷৽+BWBͱ*%&
    @yusuke
    ࢁຊϢʔεέ

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  2. w5XJUUFS"1*+BWBϥού5XJUUFS+
    wεϨουμϯϓղੳπʔϧࣆ
    ࢁຊϢʔεέ

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  3. -*/&Φʔϓϯνϟοτ+BWB

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

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

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  6. ೪Γڧ͍+BWBਓؾ
    1FSGPSDF+BWB%FWFMPQFS1SPEVDUJWJUZ3FQPSUΑΓ
    IUUQTXXXKSFCFMDPNSFTPVSDFTKBWBEFWFMPQFSQSPEVDUJWJUZSFQPSU

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  7. +BWBɺಋೖ͠·ͨ͠

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  8. +BWB͔Β΁Ҡߦͯ͠͏Ε͍͜͠ͱ

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  9. wಛʹແ͠
    +BWB͔Β΁Ҡߦͯ͠͏Ε͍͜͠ͱ

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  10. ࠷৽+BWB΁ͷҠߦॱ
    +BWB +BWB +BWB +BWB
    +BWBҎલ

    +BWBʙ

    +BWB

    +BWB

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

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

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  13. .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

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  14. (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

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

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  16. σϞΞϓϦέʔγϣϯͷઆ໌

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  17. w0QU3FUVSO NBD
    "MU&OUFS 8JO-JOVY

    *OUFMMJ+*%&"ͷΫΠοΫϑΟοΫε

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  18. w*OTQFDU$PEFʜ
    ίʔυͷ੩తղੳ

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  19. wϒϨʔΫϙΠϯτͰఀࢭ
    wʮͦͷεϨου͚ͩఀࢭʯ΋Մೳ
    εϨου໰୊ͷσόοάجຊ

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  20. wεϨουμϯϓ
    w֤εϨου͕ʮࠓԿΛ͍ͯ͠Δ͔ʯΛऔಘ
    εϨου໰୊ͷσόοάجຊ

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  21. wੜ࢈ੑ͕ߴ͍+BWB
    w࣍ͷ+BWB͸-54
    ·ͱΊ

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  22. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠

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