AWS CDKにおけるL2 Constructの仕組み / aws-cdk-l2-construct

2025/03/13開催「JAWS-UG東京 IaC Night 〜入門から上級まで！AWSをコードで構築しよう〜」での登壇資料です。

Transcript

1. 
   LHPUP AWS CDKʹ͓͚Δ L2 Constructͷ࢓૊Έ +"846(౦ژ
   *B$
   /JHIU
   ʙೖ໳͔Β্ڃ·Ͱʂ"84ΛίʔυͰߏங͠Α͏ʙ
2. ࣗݾ঺հ
   LHPUP "84
   )&30 "84
   $%,ίϯτϦϏϡʔτ 0QFO
   $POTUSVDUT
   -JCSBSZ
   ίϛϡχςΟۦಈ
   $%,
   $POTUSVDU
   ϥΠϒϥϦ "84πʔϧ DMT
   EFMTUBDL
   MBNWFS "84
   %FW5PPMT
   )FSP .BJOUBJOFS 5PQ
   $POUSJCVUPS
   $PNNVOJUZ
   3FWJFXFS ࣗ࡞044 $%,
   $POTUSVDUϥΠϒϥϦ 9
   !@TUFQ@UFDI (JU)VC
   !HPUPL
3. "84
   $%,ʹ͓͚Δ
   -
   $POTUSVDUͷ࢓૊Έ
4. w -
   $POTUSVDUͷ࢓૊ΈΛ஌Δ͜ͱͰ$%,Λ༻͍ͨ։ൃͷώϯτΛಘΔ
   w -
   $POTUSVDUΛ࡞ΕΔΑ͏ʹͳΔ ͨΊͷ଍ֻ͔Γʹ
   ‣ ຊηογϣϯ͚ͩͰͦͷશͯΛΧόʔ͸Ͱ͖ͳ͍
   ‣ ͬ͘͟ΓͰ΋֓ཁΛ௫ΊΔͱHPPE ຊηογϣϯͷ໨త
5. w 044Ͱ͋Δ"84
   $%,͸5ZQF4DSJQUͰ࣮૷͞Ε͍ͯΔ
   ‣ HJUIVCDPNBXTBXTDEL
   w ຊηογϣϯͰొ৔͢Δίʔυ͸͢΂ͯ$%,ͷ಺෦ίʔυ W
   
   ࣌఺
   ‣ ඞͣ͠΋ۀ຿Ͱ$%,Λ࢖͏ࡍͷίʔυʹ౰ͯ͸ΊΔ΂͖΋ͷͰ͸ͳ͍
   ‣ ͕ɺۀ຿ݸਓͰͷ$POTUSVDU։ൃ΍$%,ίϯτϦϏϡʔγϣϯͷࢀߟʹͳΕ͹ ຊηογϣϯͷલఏ
6. $POTUSVDU
   ίϯετϥΫτ
   ͬͯʁ
7. $POTUSVDU ίϯετϥΫτ ͱ͸ w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84Ϧιʔεఆٛͷந৅Խ ‣ -
   $POTUSVDU
   
   ෳ਺ͷϦιʔεΛؚΉҰൠతͳߏ੒ύλʔϯ
   ‣ -
   $POTUSVDU
   
   σϑΥϧτ஋΍ศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε
   ‣ -
   $POTUSVDU
   
   $MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
   ˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠ந৅Խͨ͠୯ҰϦιʔε΋͋Γ ந ৅ ౓
8. w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84Ϧιʔεఆٛͷந৅Խ ‣ -
   $POTUSVDU
   
   ෳ਺ͷϦιʔεΛؚΉҰൠతͳߏ੒ύλʔϯ
   ‣ -
   $POTUSVDU
   
   σϑΥϧτ஋΍ศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε
   ‣ -
   $POTUSVDU
   
   $MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
   ˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠ந৅Խͨ͠୯ҰϦιʔε΋͋Γ ந ৅ ౓ w ಛఆͷϢʔεέʔεΛݺͼग़͠Ͱ࣮ݱ
   FH
   "-#
   
   'BSHBUF
   w ൚༻ੑ͕௿͍ͷͰ࢖͏γνϡΤʔγϣϯ͸ݶΒΕΔ
   w $%,ຊՈ͔Β͸΄ͱΜͲެ։͞Ε͍ͯͳ͍ $POTUSVDU ίϯετϥΫτ ͱ͸
9. w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84Ϧιʔεఆٛͷந৅Խ ‣ -
   $POTUSVDU
   
   ෳ਺ͷϦιʔεΛؚΉҰൠతͳߏ੒ύλʔϯ
   ‣ -
   $POTUSVDU
   
   σϑΥϧτ஋΍ศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε
   ‣ -
   $POTUSVDU
   
   $MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
   ˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠ந৅Խͨ͠୯ҰϦιʔε΋͋Γ ந ৅ ౓ w ୯ҰϦιʔε Ћ $MPVE8BUDI
   -PHTͱ͔*".ϩʔϧͱ͔ ͳͨΊ൚༻ੑ͕ߴ͍
   w ྑ͍۩߹ʹந৅Խͯ͘͠Εͯศར
   ந৅౓ΛԼ͛Δ͜ͱ΋Մ
   w ૊ΈࠐΈόϦσʔγϣϯͰσϓϩΠલʹΤϥʔݕ஌ $POTUSVDU ίϯετϥΫτ ͱ͸ ˠΤεέʔϓϋον
10. w $%,ͷಠࣗܕ Ϋϥε ʹΑΔ"84Ϧιʔεఆٛͷந৅Խ ‣ -
    $POTUSVDU
    
    ෳ਺ͷϦιʔεΛؚΉҰൠతͳߏ੒ύλʔϯ
    ‣ -
    $POTUSVDU
    
    σϑΥϧτ஋΍ศརϝιουΛ࣋ͭ୯Ұͷ"84Ϧιʔε
    ‣ -
    $POTUSVDU
    
    $MPVE'PSNBUJPOϦιʔεϓϩύςΟͱͰରԠ
    ˞-ͱ͍͏ಛఆͷγφϦΦʹಛԽͯ͠ந৅Խͨ͠୯ҰϦιʔε΋͋Γ ந ৅ ౓ w શͯͷϓϩύςΟΛ໌ࣔతʹࢦఆ͢Δඞཁ͕͋Δ
    w ϓϩύςΟʹ࢖༻Ͱ͖Δܕͷछྨ͕গͳ͍
    -Ͱ͸๛෋ $POTUSVDU ίϯετϥΫτ ͱ͸
11. w ৄ͘͠͸
    "84
    #MBDL
    #FMU
    Λࢀর IUUQTQBHFTBXTDMPVEDPNST5;.JNBHFT"84#MBDL#FMU@@"84$%,#BTJD0WFSWJFX@@WQEG $POTUSVDU ίϯετϥΫτ ͱ͸
12. w ͋ͷେมͳ71$ઃఆ΋͜Μͳ͓खܰʹ
    ‣ ˞ͪ͜Β͸7ͰɺΑΓΧελϜ͠΍͍͢7QD7΋Ћ൛ͰϦϦʔεࡁΈ $POTUSVDUͷศརػೳ
13. w ͍͍ײ͡ͷ*".ݖݶΛ෇༩ͯ͘͠ΕΔHSBOUϝιου ͜ͷόέοτͱΦϒδΣΫτʹର͢Δ
    
    T(FU0CKFDU
    T(FU#VDLFU
    T-JTU $POTUSVDUͷศརػೳ
14. w $%,ϨΠϠʔͰ5ZQF4DSJQU -BNCEB ͷϏϧυ
    ‣ /PEFKT'VODUJPO
     Ϗϧυ্ͨ͠ͰΞηοτ -BNCEBͰݺͿ;*1ϑΝΠϧ Λ$%,༻ͷ4ʹΞοϓϩʔυ $POTUSVDUͷศརػೳ
15. w $%,ϨΠϠʔͰ%PDLFSϏϧυ&$3ϓογϡ
    ‣ %PDLFS*NBHF"TTFU
     Ϗϧυ্ͨ͠ͰΞηοτ &$4౳͔ΒݺͿΠϝʔδ Λ$%,༻ͷ&$3ʹϓογϡ
    ‣ &$3%FQMPZNFOU
     ಛఆͷ&$3ʹίϐʔ $POTUSVDUͷศརػೳ
16. w $%,ϨΠϠʔͰ4Ξοϓϩʔυ
    ‣ #VDLFU%FQMPZNFOU
     ΞηοτΛ4ʹΞοϓϩʔυ ;*1Λల։͢Δ͜ͱ΋Մೳ $POTUSVDUͷศརػೳ
17. ͳΜͰ-
    $POTUSVDU
    ͷ࿩Λ͢Δͷ ʁ
18. w -
    $POTUSVDU͸ʁ
    ‣ ൚༻ੑ͕௿ͯ͘࢖͑Δέʔε͕͋·Γͳ͘ɺͦ΋ͦ΋ຊՈ͔Β͋·Γग़͍ͯͳ͍
    ‣ ϢʔβଆͰಠࣗͷΧελϜ - $POTUSVDUΛ࡞Δͷ͕ओྲྀ
     --
    $POTUSVDUΛࣗϓϩμΫτͷϢʔεέʔεʹ߹Θͤͯࣗ༝ʹ૊Έ߹ΘͤΔ
     ͦͷͨΊ༷ࣜ͸༷ʑ
    w -
    $POTUSVDU͸ʁ
    ‣ ந৅Խ͕ͳ͍
    
    ศརػೳ͕ͳ͍
    
    ܕͷදݱ͕ऑ͍
    ‣ -
    $POTUSVDU͕ରԠ͍ͯ͠ͳ͍෦෼ΛΧόʔ͢Δ࢖͍ํ͕ଟ͍ ͳΜͰ-
    $POTUSVDU ͷ࿩Λ͢Δͷ ʁ $%,ͱ͍ͬͨΒ-
    $POTUSVDUʂʂ
19. -
    $POTUSVDUͷ࢓૊Έ
20. -
    $POTUSVDUͷ࢓૊Έ ֓ཁ -
    $POTUSVDU
    $POTUSVDU*%
    3FTPVSDF *".
    3PMF
    
    1PMJDZ -PH
    (SPVQ FUD ϓϥΠϚϦϦιʔε ηΧϯμϦϦιʔε -
    $POTUSVDU 1SPQT QSPQFSUZ"
    QSPQFSUZ#
    QSPQFSUZ$
    QSPQFSUZ%
    SPMF
    MPH(SPVQ
    ʜ
    ʜ ͳ͚Ε͹ࣗಈੜ੒ ͳ͚Ε͹σϑΥϧτ஋ ϝιου ϝιου ϝιου
21. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ
22. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ
23. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ
24. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ
25. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ ࡞Δ΂͖΋ͷ͸͜Ε͚ͩ
26. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ
27. -
    $POTUSVDUͷ࢓૊Έ ৄࡉ
29. w 6OPXOFE
    3FTPVSDFTͷͨΊͷ#FIBWJPSBM
    *OUFSGBDF
    *9YYܕ
    ‣ ελοΫ֎ͷϦιʔεΛٖࣅతʹελοΫ؅ཧԼʹऔΓࠐΉͨΊͷಡΈࠐΈ༻ܕ
     FH
    *#VDLFUɺ*5PQJDɺ*2VFVF
     㱠
    DEL
    JNQPSU
    ˡ࣮ࡍʹελοΫͷ؅ཧϦιʔεʹҠ͢ *&YBNQMF $%,ελοΫ Ϛωίϯ -BNCEB 4 #VDLFU ελοΫॴ༗ 
 
    ࣮$POTUSVDU HSBOU1VU ελοΫඇॴ༗ 
 
    *#VDLFU
    JOUFSGBDF ٖࣅऔΓࠐΈ
    GSPN#VDLFU"UUSJCVUFT
30. w zGSPN9YY"SO zͳͲͷಡΈࠐΈϝιου͕ٖࣅϦιʔεΛ͜ͷܕͰฦ͢
    w ී௨ͷ$POTUSVDUͱ ΄΅ ಉ͡Α͏ʹϓϩύςΟ΋औΕΔ͠ϝιου΋ݺ΂Δ *&YBNQMF *#VDLFUܕ
31. w ී௨ͷ$POTUSVDUͱ ΄΅ ಉ͡Α͏ʹϓϩύςΟ͕औΕΔ࢓૊Έ
    ‣ ౉ͨ͠஋Λ΋ͱʹ$POTUSVDUΛٖࣅߏ੒ͯ͠6OPXOFE
    3FTPVSDFTܕͱͯ͠ฦ͢ *&YBNQMF  GSPN#VDLFU"SO Ͱόέοτͷ"SOΛ౉͢
    ͦΕ͕CVDLFU"SOʹηοτ
     "SOͷ໋໊نଇʹԊͬͯ/BNFΛநग़ɺCVDLFU/BNFϓϩύςΟʹηοτ
    㾎ଞʹ΋͜ͷ஋΍4UBDL3FHJPO৘ใ͔Βಋ͖ग़ͤΔϓϩύςΟ͸ηοτ͞ΕΔ
     "SO͔Βಋ͚ͳ͍஋͸VOEF fi OFEʹͳΔ͕ɺGSPN"UUSJCVUFT ͩͱશͯ౉ͤΔ
     GSPN-PPLVQ ͱ͍͏4%,Ͱ࣮ࡍʹ஋Λऔಘ͢Δಛघͳϝιου΋͋Δ
32. w ී௨ͷ$POTUSVDUͱ ΄΅ ಉ͡Α͏ʹϝιου͕ݺ΂Δ࢓૊Έ
    ‣ -
    $POTUSVDU࣮ମ ΋͘͠͸#BTFΫϥε ͸͜ͷJOUFSGBDFΛJNQMFNFOUT͢Δ *&YBNQMF  $POTUSVDU࣮ମ͸6OPXOFE
    3FTPVSDFTͷ࣋ͭఆٛΛશͯ࣋ͭ ޓ׵ੑ
    㾎&YBNQMF
    JNQMFNFOUT
    *&YBNQMF
    㾎&YBNQMF#BTF
    JNQMFNFOUT
    *&YBNQMF
     ਖ਼͘͠͸ʮ࣮$POTUSVDU͕6OPXOFE
    3FTPVSDFTܕͱಉ͜͡ͱ͕Ͱ͖Δʯ
33. w 6OPXOFE
    3FTPVSDFTܕͷܕఆٛʹ͍ͭͯ
    ‣ *3FTPVSDFΛFYUFOET
    ‣ ඞཁ͕͋Ε͹
    *(SBOUBCMF
    *$POOFDUBCMF
    FUDʜ΋FYUFOET
     HSBOUϝιουɺBMMPX5PϝιουͳͲͷର৅ʹ͍ͨ͠৔߹ *&YBNQMF
34. w 6OPXOFE
    3FTPVSDFTܕͷϓϩύςΟఆٛʹ͍ͭͯ
    ‣ ಡΈࠐΈ༻Ϧιʔε͔Βެ։͍ͨ͠ϓϩύςΟΛఆٛ
     $MPVE'PSNBUJPOͰϦιʔε࡞੒࣌ʹฦ٫͞ΕΔϓϩύςΟ͸ جຊతʹ ࣋ͨͤΔ
    㾎3FG
    (FU"UUͳͲͰฦ͞ΕΔ΋ͷ
    YY/BNF
    YY"SO
    FUD
    ໋໊ͷYY෦෼͸লུ͠ͳ͍
    㾎ͦΕΒʹ͸!BUUSJCVUFϥϕϧΛ͚ͭΔ
    $%,ಠࣗͰఆٛͨ͠ϓϩύςΟʹ͸ෆཁ *&YBNQMF
35. w 6OPXOFE
    3FTPVSDFTܕͷϝιουఆٛʹ͍ͭͯ
    ‣ JOUFSGBDFʹ͸࣮૷Λॻ͚ͳ͍ͷͰ࣮ࡍͷॲཧ͸࣮૷ઌͰఆٛ
     ಡΈࠐΈ༻ͷΫϥεΛผͰఆٛ͢Δ ʮ&YBNQMF
    -
    $POTUSVDU ʯʹͯޙड़
    ‣ ͜ͷϦιʔεࣗମʹมߋΛՃ͑ͳ͍ྨͷϝιουͷΈఆٛ
     ͦͷ$POTUSVDU͕ॴ༗͢ΔผϦιʔε΁ͷߋ৽ܥ͸Մೳͳέʔε΋
     ߋ৽ϝιουΛఆٛ͠ɺ࣮ମͰ͸࣮ࡍͷॲཧɺಡΈࠐΈ༻Ͱ͸μϛʔ࣮૷Λ͢Δ͜ͱ΋
    ‣ HSBOUϝιου͸ಡΈࠐΈ༻ϦιʔεͰ΋࢖͑ΔͷͰجຊతʹఆٛ͢Δ͜ͱ͕ଟ͍
     ͜ͷϦιʔεʹΞΫηε͢ΔͨΊͷݖݶΛΞΫηεݩͷϦιʔεʹ෇༩͢ΔͨΊ *&YBNQMF
36. w $POTUSVDUͷ1SPQTͰड͚औΔϦιʔε͸6OPXOFE
    3FTPVSDFTܕʹ
    ‣ ελοΫ಺Ͱ࡞੒ͨ͠Ϧιʔε΋֎͔ΒಡΈࠐΜͩϦιʔε΋౉ͤΔ
     -
    $POTUSVDU &YBNQMF ͸͜ͷܕ *&YBNQMF ΛJNQMFNFOUT͢ΔͨΊܕͷޓ׵ੑ͕͋Δ
     ஋΋ϝιου΋࢖͑ΔͷͰɺϓϦϛςΟϒܕ TUSJOHͳͲ ΑΓ΋͜ͷܕʹ͓ͯ͜͠͏
    w $POTUSVDU͔Β֎ʹެ։͢ΔϦιʔε΋6OPXOFE
    3FTPVSDFTܕʹ
    ‣ ͦͷϦιʔεΛ࡞੒ͨ͠$POTUSVDUͷ֎Ͱ͸ߋ৽͞Εͳ͍Α͏ʹͰ͖Δ
     ੹຿ͷ෼཭ɾ҆શੑͷ޲্ *&YBNQMF
38. &YBNQMF"UUSJCVUFT w GSPN9YY"UUSJCVUFT ϝιουʹ౉͢4USVDUT
    *OUFSGBDF
    ‣ ͜ͷ৘ใΛ΋ͱʹ6OPXOFE
    3FTPVSDFT͕ߏ੒͞ΕΔ
     ͜ΕΑΓελοΫ֎ͷϦιʔεͰ΋ٖࣅ$POTUSVDUͱͯ͠ѻ͑ΔΑ͏ʹ *&YBNQMF
    
    6OPXOFE
    3FTPVSDFT GSPN&YBNQMF"UUSJCVUFT TDPQF
    JE
    FYBNQMF"UUSJCVUFT 
    *&YBNQMF
    YY"SO
    YY/BNF
     &YBNQMF"UUSJCVUFT *&YBNQMFΛJNQMFNFOUTͨ͠
    ΫϥεͷΠϯελϯε͕ฦΔ
39. &YBNQMF"UUSJCVUFT w શͯͷϓϩύςΟ͸SFBEPOMZ
    4USVDUT
    *OUFSGBDFͷಛ௃
    ‣ *OQVUͱͳΔ΋ͷ͸Πϛϡʔλϒϧ มߋෆՄೳ Ͱ͋Δ΂͠
41. &YBNQMF#BTF w ͭͷϦιʔεʹରͯ͠ෳ਺ͷ$POTUSVDUΛ࣮૷͢ΔͷͨΊͷڞ௨Ϋϥε
    ‣ $POTUSVDUΛෳ਺࡞Βͳ͍৔߹͸ແͯ͘΋ྑ͍͕֦ுͷͨΊʹ࡞͓ͬͯ͘ͷ͕ਪ঑
    ‣ ͜Ε͕͋ΔͱಡΈࠐΈ༻ΫϥεΛ࡞Δࡍʹ࠶ར༻΋Ͱ͖Δ ޙड़ ྫ
    BXTBQJHBUFXBZϞδϡʔϧ ྫ
    BXTTϞδϡʔϧ
42. &YBNQMF#BTF w #BTFΫϥεͷܕఆٛʹ͍ͭͯ
    ‣ BCTUSBDUΫϥε
    ‣ 3FTPVSDFΫϥεΛFYUFOET
     -
    $POTUSVDUͱ͸3FTPVSDFΫϥεΛܧঝͨ͠΋ͷ
     3FTPVSDFΫϥε
    
    -
    $POTUSVDUڞ௨ͷ৘ใΛ࣋ͭ
    㾎JT3FTPVSDF
    JT3FTPVSDF
    QIZTJDBM/BNF
    FUD
    ‣ 6OPXOFE
    3FTPVSDFTܕ *9YYܕ ΛJNQMFNFOUT
     ͜ΕͰಡΈࠐΈ༻ͷܕͷ࣋ͭϓϩύςΟɾϝιουఆٛΛҾ͖ܧ͙
43. &YBNQMF#BTF w #BTFΫϥεͷϓϩύςΟఆٛʹ͍ͭͯ
    ‣ جຊ͸6OPXOFE
    3FTPVSDFTͷଐੑΛҾ͖ܧ͍ͩ΋ͷ
     #BTFΫϥεݻ༗ͷଐੑ΋࡞ͬͯྑ͍
    ‣ -
    $POTUSVDU αϒΫϥε ଆͰઃఆ͍ͨ͠ଐੑ͸BCTUSBDUʹ
44. &YBNQMF#BTF w #BTFΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ
    ‣ Ҿ਺
     9YY#BTF1SPQT
    PS
    3FTPVSDF1SPQT
    ‣ ॲཧ
    αϒΫϥεͷ-
    $POTUSVDUଆʹճͯ͠΋0,
     ෺ཧ໊ηοτɺڞ௨ϓϩύςΟηοτɺڞ௨όϦσʔγϣϯɺFUDʜ
    ‣ #BTFଆͰॳظԽॲཧ͕ෆཁͳ৔߹͸DPOTUSVDUPS͕ͳ͍͜ͱ΋
     ͦͷ৔߹͸-
    $POTUSVDUࣗମ αϒΫϥε Ͱఆٛ͢Δ
45. &YBNQMF#BTF w #BTFΫϥεͷϝιουఆٛʹ͍ͭͯ
    ‣ ֤-
    $POTUSVDUͰڞ௨Ͱ࢖༻͍ͨ͠ϝιουΛఆٛ
    ‣ ಡΈࠐΈ༻Ϋϥε ޙड़ Ͱ΋࢖༻͍ͨ͠ϝιου΋ఆٛ
    ‣ HSBOUܥϝιου΍NFUSJDܥϝιου͸͍͍ͩͨ͜͜Ͱఆٛ
46. &YBNQMF#BTF w #BTFΫϥε͕ͳ͍έʔε΋͋Δ
    ‣ ଞͷछྨ ೿ੜ ͷ$POTUSVDU͕ͳ͍ɾখ͍͞$POTUSVDUͷ৔߹ͳͲ
    ‣ γϯϓϧʹ͸ͳΔ͕࡞͓͍ͬͯͨํ͕ϕλʔ
48. w #BTFΫϥε΁ͷೖྗͷͨΊͷ4USVDUT
    *OUFSGBDF
    ‣ ڞ௨Ͱηοτ͍ͨ͠ϓϩύςΟ͕͋Ε͹࡞Δ
     ߏ੒ϧʔϧ͸-
    $POTUSVDUͷ1SPQT &YBNQMF1SPQTɿޙड़ ͱಉ͡
     ͦ΋ͦ΋#BTFΫϥεʹDPOTUSVDUPS͕ͳ͍৔߹ɾ3FTPVSDF1SPQTΛ౉͢৔߹͸ෆཁ
    ‣ 3FTPVSDF1SPQTΛFYUFOETͯ͠΋ྑ͍
     &YBNQMF#BTF1SPQT
    FYUFOET
    3FTPVSDF1SPQT &YBNQMF#BTF1SPQT
50. &YBNQMF1SPQT w -
    $POTUSVDU΁ͷೖྗͷͨΊͷ4USVDUT
    *OUFSGBDF
    ‣ ϓϦϛςΟϒܕ OVNCFSͳͲ ɺFOVNɺJOUFSGBDFɺΫϥεɺ഑ྻɺFUDΛ࣋ͭ
     9YY#BTF1SPQT͕͋Ε͹FYUFOET
     ͢΂ͯͷϓϩύςΟΛSFBEPOMZʹ  Ϧιʔε(L2 Construct)Λ౉͍ͨ͠৔߹͸Unowned ResourcesܕͰఆٛ
51. &YBNQMF1SPQT w ಛఆͷϓϩύςΟ܈Λผinterface(ωετ)ʹͯ͠΋ྑ͍͕ϑϥοτ͕ਪ঑ ‣ JavaͳͲͷݴޠͩͱωετ͞ΕͨΦϒδΣΫτͷੜ੒͕େมͳͨΊ ‣ ϑϥοτʹ͢Δ͜ͱͰoptionalʹͤ͟ΔΛಘͳ͍৔߹͸όϦσʔγϣϯͰΧόʔ DPO fi HVSBUJPOΛઃఆ͢Δ৔߹͸ͦͷதͷ֤ϓϩύςΟ͸ඞਢ ϑϥοτʹ͢Δ͜ͱͰͲͪΒ΋PQUJPOBMʹͳͬͯ͠·͏
    DPO fi HVSBUJPOࣗମ͕ͦ΋ͦ΋ෆཁͳ৔߹͕͋ΔͷͰ ͳ͸͕ͣɾɾɾ
52. &YBNQMF1SPQT w ৼΔ෣͍(ϝιου)Λ࣋ͭͱศརͳϓϩύςΟ͸Ϋϥεʹ͢Δͱදݱ͕޿͕Δ
54. w -
    $POTUSVDUຊମʢΫϥεʣ
    ‣ -
    $POTUSVDUΛ࢖͍উखΑ͘ந৅Խͨ͠΋ͷ
     ؔ࿈Ϧιʔεੜ੒ɺਪ঑ͷσϑΥϧτ஋ઃఆɺศརϝιουɺόϦσʔγϣϯɺFUDʜ &YBNQMF
    -
    $POTUSVDU
55. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷܕఆٛʹ͍ͭͯ
    ‣ -
    $POTUSVDUͱ͸3FTPVSDFΫϥεΛܧঝͨ͠΋ͷ ࠶ܝ
    ‣ #BTFΫϥεΛFYUFOET
     #BTFΫϥε͕͢Ͱʹ3FTPVSDFΫϥεΛܧঝ͍ͯ͠Δ
    ‣ #BTFΫϥε͕ͳ͚Ε͹
     3FTPVSDFΫϥεΛFYUFOET
     6OPXOFE
    3FTPVSDFT *9YY ΛJNQMFNFOUT
56. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷϓϩύςΟఆٛʹ͍ͭͯ
    ‣ #BTFΫϥεͰBCTUSBDUͰఆٛͨ͠΋ͷ͸͢΂ͯఆٛ
     #BTFΫϥε͕ͳ͚Ε͹6OPXOFE
    3FTPVSDFT *9YY Ͱఆٛͨ͠΋ͷΛఆٛ
    ‣ ଞʹ΋֎͔ΒΞΫηεͰ͖ΔΑ͏ʹ͍ͨ͠ϓϩύςΟ͸QVCMJDʹ
     SFBEPOMZਪ঑
    ΋ͷʹΑͬͯ͸ͦ͏Ͱͳ͍΋ͷ΋͋Δ
     ॲཧʹඞཁͳQSJWBUFQSPUFDUFEϓϩύςΟͷઃఆ͸ࣗ͝༝ʹ
57. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ
    ‣ ෺ཧ໊ηοτ #BTFΫϥεͰ΍ͬͯ΋0,
     ະࢦఆͷ৔߹͸$MPVE'PSNBUJPO͕ࣗಈੜ੒
    ‣ ະࢦఆͷ৔߹Ͱ΋$%,ଆͰੜ੒͢Δ͜ͱ΋
     ෺ཧ໊ͷ໋໊ϧʔϧʹ߹Θͤͯ
    -B[ZTUSJOH
    
    /BNFTVOJRVF3FTPVSDF/BNF
     ΞΧ΢ϯτϦʔδϣϯލ͗༻ʹ
    1IZTJDBM/BNF(&/&3"5&@*'@/&&%&%
58. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ
    ‣ 1SPQT ΍ϩδοΫͷॲཧ݁Ռ Λ΋ͱʹ-
    $POTUSVDU
    $GO9YY ੜ੒
     $POTUSVDU
    *%͸z3FTPVSDFz
     ύϥϝʔλܾఆͷॲཧ͸QSJWBUFϝιουʹ੾Γ෼͚ͯ΋0,
59. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ
    ‣ σϑΥϧτ஋ηοτɾؔ࿈Ϧιʔεͷࣗಈੜ੒
     1SPQTͰ౉͞Ε͍ͯͨΒͦΕΛ࢖͏
     "84αʔϏεͱͯ͠ਪ঑͢΂͖ઃఆ͕ͳ͚Ε͹$%,ଆͰσϑΥϧτ஋ͷηοτ͸ͤͣɺ $MPVE'PSNBUJPOͷσϑΥϧτ஋ʹ೚ͤΔ͜ͱͷํ͕ଟ͍
60. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷDPOTUSVDUPSఆٛʹ͍ͭͯ
    ‣ όϦσʔγϣϯ
     5PLFOJT6OSFTPMWFE ͰτʔΫϯΛνΣοΫ͠ɺτʔΫϯ͸όϦσʔγϣϯ͠ͳ͍
61. IUUQTBXTBNB[PODPNKQCVJMEFST fl BTIDELWBMJEBUJPO ֤छόϦσʔγϣϯख๏ʹՃ͑ɺτʔΫϯͱ͸Կ͔΋ॻ͍͍ͯ·͢ʂ
62. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ
    ‣ ಡΈࠐΈ༻Ϧιʔε 6OPXOFE
    3FTPVSDFT ͷͨΊͷTUBUJD
    GSPNϝιου 6OPXOFE
    3FTPVSDFT GSPN&YBNQMF"UUSJCVUFT &YBNQMF"UUSJCVUFT GSPN&YBNQMF"SO GSPN-PPLVQ GSPN&YBNQMF*% GSPN&YBNQMF/BNF GSPN&YBNQMF9Z[ "84ΞΧ΢ϯτ &YBNQMF Ϧιʔε औಘ ౉͢ ౉͢ "3/
    *%
    /BNF
    9Z[ ࣮ࡍͷϦιʔε৘ใ ٖࣅ$POTUSVDUੜ੒
    ಡΈࠐΈ༻ ˞͜ͷߏ଄ʹԊ͍ͬͯͳ͍έʔε΋͋Δ
    FH
    4FDVSJUZ(SPVQ
63. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ
    ‣ GSPN9YY"UUSJCVUFT͸ϝιου಺ͰಡΈࠐΈ༻ΫϥεఆٛΠϯελϯεฦ٫
64. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ
    ‣ GSPN9YY"UUSJCVUFT͸ϝιου಺ͰಡΈࠐΈ༻ΫϥεఆٛΠϯελϯεฦ٫
     #BTFΫϥεΛFYUFOET
    ΋͘͠͸*9YYܕΛJNQMFNFOUT
    
    3FTPVSDFΫϥεΛFYUFOET
    㾎#BTFΫϥε͕͋Δͱ#BTFΫϥεͰఆٛͨ͠ϝιουͳͲΛ࠶ར༻Ͱ͖Δ
    㾎͜ΕʹΑΓಡΈࠐΈ༻ϦιʔεͰ΋HSBOUϝιουͳͲ͕ݺ΂Δ
     ϝιου͸ͦΕΛ*9YYܕͷٖࣅ$POTUSVDU ಡΈࠐΈ༻ ͱͯ͠ฦ͢
65. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ
    ‣ ഑ྻϓϩύςΟͳͲʹΠϯελϯεॳظԽޙʹ௥Ճ͢ΔBEEϝιου
     -
    $POTUSVDUʹ͸ϝιουݺͼग़͠ޙʹ஗Ԇ࣮ߦ͞ΕΔʮ-B[ZʯͰ౉͢
66. &YBNQMF
    -
    $POTUSVDU w -
    $POTUSVDUΫϥεͷϝιουఆٛʹ͍ͭͯ
    ‣ QSJWBUFϝιου
     ॲཧ͕௕ͯ͘·ͱΊ͍ͨɺ࠶ར༻͍ͨ͠
    ‣ ศརܥϝιου
     ˞HSBOUNFUSJDϝιου͸ಡΈࠐΈ༻ΫϥεͰ΋࢖͍͍ͨͷͰجຊ͸#BTFଆͰ࣮૷
69. ˞ຊηογϣϯͷ঺հྫͱ͸গ͠ҟͳΓ·͢
    IUUQTHJUIVCDPNBXTBXTDELCMPCWQBDLBHFT!BXTDELFYBNQMFDPOTUSVDUMJCSBSZMJCFYBNQMFSFTPVSDFUT
70. $%,͕֤ϓϩάϥϛϯάݴޠͰಈ͘࢓૊Έ $%,Ϣʔβ ߏ଄ఆٛ ಺෦ॲཧ ֤$POTUSVDUΫϥε
    5ZQF4DSJQU ֤$POTUSVDUΫϥε
    ߏ଄ఆٛ 1ZUIPO༻ +BWB༻ (P༻ $༻ 5ZQF4DSJQU༻ +BWB4DSJQU༻ ޷͖ͳݴޠ
    Ͱ࢖༻ ߏ଄ఆ͔ٛΒ಺෦ॲཧݺͼग़͠ ߏ଄ఆ͚֤ٛͩݴޠʹࣗಈม׵ $%,ίϯτϦϏϡʔτͷൣғ
    HJUIVCDPNBXTBXTDEL ଞݴޠͰ࣮૷ͷ৔߹΋$%,࣮ߦʹ
    /PEFKTϥϯλΠϜ͕ඞཁ ˞֤ݴޠʹม׵͢ΔͨΊ
    5ZQF4DSJQUݻ༗ͷܕදݱ͸/( ˞֤ݴޠʹ͸ม׵͠ͳ͍ͨΊ
    5ZQF4DSJQUݻ༗ͷ࣮૷΋0, KTJJίϯύΠϥ "84੡
    ଟݴޠม׵πʔϧ
    ʰ
    KTJJ
    ʱ
    HJUIVCDPNBXTKTJJ KTJJϥϯλΠϜ
    /PEFKTϓϩηε $%,ެ։࣌ 044ଆ $%,࣮ߦ࣌ Ϣʔβଆ τϥϯεύΠϧ
71. એ఻ɿࣗ࡞πʔϧOSSͷ͝঺հ
72. ࣗ࡞044
    "84πʔϧ ʲDMTʳ4όέοτΛߴ଎ʹ࡟আɾۭʹ͢Δπʔϧ
    ‣ IUUQTHJUIVCDPNHPUPLDMT
    ʲEFMTUBDLʳ"84
    $MPVE'PSNBUJPOελοΫڧ੍࡟আπʔϧ
    ‣ IUUQTHJUIVCDPNHPUPLEFMTUBDL
    ʲMBNWFSʳ-BNCEBϥϯλΠϜόʔδϣϯݕࡧπʔϧ
    ‣ IUUQTHJUIVCDPNHPUPLMBNWFS
73. ࣗ࡞044
    "84πʔϧ ʲDMTʳ4όέοτΛߴ଎ʹ࡟আɾۭʹ͢Δπʔϧ ର࿩Ͱݕࡧͯ͠ɺෳ਺όέοτฒྻҰׅ࡟আʂ
    ඇݱߦόʔδϣϯͷΈ࡟আ΋Մೳʂࠓ࿩୊ͷ4
    5BCMFTͷ࡟আʹ΋ରԠʂ
74. ࣗ࡞044
    "84πʔϧ ʲEFMTUBDLʳ"84
    $MPVE'PSNBUJPOελοΫڧ੍࡟আπʔϧ $'O࡟আͰࣦഊ͢ΔϦιʔε͕͋ͬͯ΋ελοΫϦιʔε͝ͱڧ੍࡟আʂ
    ର࿩Ͱݕࡧͯ͠ɺෳ਺ελοΫҰׅ࡟আՄೳʂ
    ґଘؔ܎ΛՃຯͯ͠৽͍͠΋ͷ͔Βॱʹ࡟আ
75. ࣗ࡞044
    "84πʔϧ ʲMBNWFSʳ-BNCEBϥϯλΠϜόʔδϣϯݕࡧπʔϧ Ϧʔδϣϯԣஅݕࡧʂશબ୒΍ϑΟϧλϦϯά΋Մʂ
    $47ग़ྗΦϓγϣϯ΋͋Γʂ
76. ࣗ࡞044
    "84πʔϧ ʲMBNWFSʳ-BNCEBϥϯλΠϜόʔδϣϯݕࡧπʔϧ Ϧʔδϣϯԣஅݕࡧʂશબ୒΍ϑΟϧλϦϯά΋Մʂ
    $47ग़ྗΦϓγϣϯ΋͋Γʂ
77. ࣗ࡞044
    "84
    $%,
    $POTUSVDU
    ϥΠϒϥϦ ʲJNBHFTDBOOFSXJUIUSJWZʳ$%,Ͱ5SJWZͰίϯςφΠϝʔδεΩϟϯ
    ‣ IUUQTDPOTUSVDUTEFWQBDLBHFTJNBHFTDBOOFSXJUIUSJWZ
    ʲJNBHFTDBOOFSXJUIEPDLMFʳ$%,Ͱ%PDLMFͰίϯςφΠϝʔδεΩϟϯ
    ‣ IUUQTDPOTUSVDUTEFWQBDLBHFTJNBHFTDBOOFSXJUIEPDLMF
    ʲFMCPUIFSYYBMBSNʳ$%,ͰϚΠφʔͳYY   ͷ&-#ΞϥʔϜ
    ‣ IUUQTDPOTUSVDUTEFWQBDLBHFTJNBHFTDBOOFSXJUIEPDLMF
78. 5IBOL
    :PV LHPUP
    "84
    %FW5PPMT
    )FSP
    9
    !@TUFQ@UFDI
    (JU)VC
    !HPUPL