Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Javaはじめのいっぽ(202107社内勉強会)
Search
shimadamiyuki
July 15, 2021
160
0
Share
Javaはじめのいっぽ(202107社内勉強会)
月一で実施している社内勉強会の資料です(2021.07)
shimadamiyuki
July 15, 2021
More Decks by shimadamiyuki
See All by shimadamiyuki
20240912 JJUGナイトセミナー
mii1004
0
270
STORES決済の裏側のはなし(Code Polaris 色んなエンジニアLT大会)
mii1004
0
310
オブジェクト指向がわからない(202201社内勉強会)
mii1004
0
200
たのしい情報収集(202112社内勉強会)
mii1004
0
130
リファクタリング?(202111社内勉強会)
mii1004
0
120
OpenAPI Generator使ってみる(Java女子部ハロウィンLT)
mii1004
0
100
ビルドツールの話(202110社内勉強会)
mii1004
0
150
Hello Spring(202109社内勉強会)
mii1004
0
130
StreamAPI, Lambdaと仲良くなる(202108社内勉強会)
mii1004
0
150
Featured
See All Featured
GitHub's CSS Performance
jonrohan
1032
470k
Site-Speed That Sticks
csswizardry
13
1.2k
Beyond borders and beyond the search box: How to win the global "messy middle" with AI-driven SEO
davidcarrasco
3
120
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
3
690
How to Grow Your eCommerce with AI & Automation
katarinadahlin
PRO
1
180
Sam Torres - BigQuery for SEOs
techseoconnect
PRO
0
260
A Soul's Torment
seathinner
6
2.8k
More Than Pixels: Becoming A User Experience Designer
marktimemedia
3
400
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.3k
The Pragmatic Product Professional
lauravandoore
37
7.3k
30 Presentation Tips
portentint
PRO
1
290
Transcript
+BWB͡Ίͷ͍ͬΆ νʔϜձ
+BWBͬͯͳʹʁ ◦ ݄ੜ·Ε ◦ αϯɾϚΠΫϩγεςϜζࣾʹΑͬͯ։ൃ͞Εͨ ◦ ʹαϯɾϚΠΫϩγεςϜζ͕0SBDMFʹങऩ͞Ε ͨͷͰɺ͍·0SBDMF͕+BWBͷඪΛ࣋ͬͯΔ ◦ +%,ͷ։ൃதʹ044Խ͞Εͨ
+%, +BWB%FWFMPQNFOU,JU ͬͯʁ ◦ +BWBΛ։ൃͨ͠Γ࣮ߦͨ͠Γ͢Δͱ͖ʹඞཁʹͳΔ։ൃΩοτͷ͜ͱ ◦ 044Ͱ։ൃ͞Εͨιʔείʔυʢ0QFO+%,ʣΛͱʹɺ࣮ࡍʹίϯϐϡʔλʹΠϯετʔ ϧͯ͑͠Δܗʹͨ͠ͷΛɺ͍ΖΜͳاۀʢ+%,ϕϯμʣ͕ఏڙͯ͘͠Ε͍ͯΔΑ ◦ ͦΕͧΕಘҙαϙʔτʹҧ͍͕͋Δ͚ͲɺΑ͘Θ͔Μͳ͍͚ͲͱΓ͋͑ͣࣗͷ1$
Ͱ+BWBͷ͓ษڧΛ͍ͨ͠Αɺͱ͍͏ਓ0SBDMF0QFO+%,Λ͓͚ͬͯϕλʔ IUUQTHJUIVCDPNPQFOKEL
+BWBͷόʔδϣϯͲ͏ͳͬͯΔͷʁ +BWB +BWB +BWB +BWB +BWB +BWBʙ·Ͱ ͝ͱʹϦϦʔε ˞+BWB Yਖ਼໊ࣜশͰͳ͍Ͱ͕͢ɺ͜͜Ͱศٓతʹͦ͏ݺΜͰ·͢
+BWB +BWB +BWB +BWB +BWB +BWB
+BWBͷϦϦʔεαΠΫϧ ◦ +BWB͔Β͝ͱͷఆظϦϦʔεʹมΘΓ·ͨ͠ ◦ ৽͍͠ػೳͷϦϦʔεͷεϐʔυ্͕͕Δʂ͓ࢼ͠ػ ೳ͕ೖΕΒΕΔʂ ◦ ʹճɺ-54 -POH5JNF4VQQPSU ൛ͱݺΕΔα
ϙʔτظ͕͍ؒόʔδϣϯ͕ϦϦʔε͞Ε·͢ όʔδϣϯ ϦϦʔε +BWB -54 +BWB +BWB +BWB -54 +BWB +BWB +BWB +BWB +BWB +BWB -54
͔͜͜Βͪΐͬͱ+BWBͯ͠Έ·͢ ◦ϓϩδΣΫτ ◦Ϗϧυπʔϧ ◦ϑϨʔϜϫʔΫ
·ͣ+BWBΛ Πϯετʔϧ͢Δ ࣗͷ1$Ͱ+BWBΛ͑ΔΑ͏ʹ͢Δʹ͍͔ͭ͘Γํ͕͋ΔΑ ◦ ཧπʔϧΛͬͯ+%,ΛΠϯετʔϧͯ͠͏ ˠ.BDͳΒ͕͓ͬͪ͜͢͢Ί ◦ ϕϯμʔʢ+%,Λఏڙͯ͘͠ΕΔاۀʣͷ8FCαΠτ͔Β+%,Λμ ϯϩʔυͯ͠͏ ˠ8JOEPXTͳΒ͕͓ͬͪ͜͢͢Ί
ཧπʔϧΛ͏ ◦ .BDͰ+BWBΛ͍͍ͨͳΒ4%,."/ IUUQTTELNBOJP ͱ͍͏πʔϧ͕ศར ͍ΖΜͳ+%,ΛΠϯετʔϧͯ͠Γସ͑ͯ͑Δ .BD 8JOEPXTͰ4%,."/Λ͍͍ͨ߹ɺʮ$ZHXJOʯͱ͍͏πʔϧΛ௨ͤҰԠ͍͚·͢ɻ ʢ $ZHXJOɿ8JOEPXTͰ-JOVYίϚϯυΛ͑ΔΑ͏ʹ͢ΔͨΊͷͷʣ
IUUQTHJUIVCDPNKBWBXPNFO)FMMP8PSME)BOET0OCMPCNBTUFS1*5$).&NE
◦ 4%,."/ͷJOTUBMMϖʔδʹ ΞΫηε IUUQTTELNBOJPJOTUBMM ◦ λʔϛφϧΛ։͍ͯɺॻ͔ Ε͍ͯΔίϚϯυΛॱ൪ʹ ࣮ߦ͢Δ ◦ λʔϛφϧͰTEL
WFSTJPOɺ ͱ࣮ߦͯ͠ɺ 4%,."/ɾɾɾͷද͕ࣔग़ Ε0, .BD
ࢦఆͨ͠+%,ΛΠϯετʔϧ͢Δ TEL JOTUBMMKBWB Πϯετʔϧ͍ͨ͠+%,ͷ໊લ ΠϯετʔϧͰ͖Δ+%,ͷҰཡΛݟΔ TEL MJTUKBWB -JTUͰग़͖ͯͨҰཡͷɺ͜͜ʹॻ͍ͯ͋Δ໊લΛࢦఆ͢Δɻ Ұ൪ࠨͷྻʢ7FOEFSʣ͕+BWBOFUͰɺ͍͍ͨόʔδϣϯͷ ͷΛબ0,
.BD
ࠓΠϯετʔϧͨ͠+BWBΛσϑΥϧτʹ͠·͔͢ʁͱฉ͔ΕͨΒɺ :ʢ:FTʣͱ͓͚͑ͯɺύεΛ௨͢ʢ+BWBΛ͑ΔΑ͏ʹ͢Δʣͱ͜Ζ·Ͱͬͯ͘ΕΔ Πϯετʔϧ͍ͯ͠Δͱ͜Ζ .BD
8JOEPXTͷ߹4%,."/Λ͏ͷʹ৭ʑ४උ͕ඞཁͰΊΜͲ͍͘͞ͷͰɺ +BWBOFUʢIUUQKELKBWBOFUʣ͔Β+%,ΛΠϯετʔϧ͢Δ 8JOEPXT ͔͜͜Β͍͍ͨόʔδϣϯΛબͿ ϕϯμʔͷαΠτ͔Βμϯϩʔυ
8JOEPXT൛ΛબΜͰμϯϩʔυͯ͠ɺ1$ͷదͳॴʹ[JQΛల։͢Δɻ ʢ$=ʹͦͷ··ஔ͍ͪΌ͏ͱ͔ɺ$=ʹKBWBXPSLΈ͍ͨͳϑΥϧμΛ࡞ͬͯͦͷதͱ͔ʣ 8JOEPXT
μϯϩʔυͨ͠+%,͕͑ΔΑ͏ʹɺύεΛ௨͢ʢڥมʹઃఆ͢Δʣɻ 8JOEPXTͷɺγεςϜͷϓϩύςΟʼৄࡉઃఆλϒʼڥมϘλϯ͔Βɺ ڥมͷઃఆը໘Λදࣔ͢Δɻ Ϣʔβʔڥมͷ৽نϘλϯΛԡ͢ɻ Լهͷ௨Γೖྗͯ͠0,Λԡ͢ɻ ม໊ +"7"@)0.& ม
ల։ͨ͠+%,ͷϑΥϧμΛࢦఆ͢Δʢྫ $=XPSL=KELʣ 8JOEPXT ίϚϯυϓϩϯϓτͰ KBWBrWFSTJPO ͱ࣮ߦͯ͠ɺ+BWBͷόʔδϣϯ͕දࣔ͞ΕΕ0,ɻ
+BWBΛͬ͞͞ͱॻ͍ͯ ಈ͔ͯ͠ΈΔ +BWBͷϓϩάϥϜΛͪΐͬͱॻ͍ͯಈ͔͍͚ͨ͠ͲɺΊΜͲ͍͘͞ ͷ͍ͩɾɾɾ ͱࢥͬͨΒɺ͜Μͳํ๏͕͋ΔΑɻ +4IFMMʢ+BWBҎ߱ʣ +BWBͷιʔεϑΝΠϧΛ࣮ߦʢ+BWBҎ߱ʣ
+BWBͷιʔεϑΝΠϧΛίϯύΠϧ࣮ͯ͠ߦ
+4IFMM +BWBΛॻ͍࣮ͯߦ͕͙͢Ͱ͖Δศརͳͭɻ λʔϛφϧʢίϚϯυϓϩϯϓτʣͰ KTIFMM Λ࣮ߦ͢Δ͚ͩͰىಈ͢ΔΑɻ
ͬͯΈΔͱ͜Μͳײ͡ɻมΫϥεͷએݴͰ͖ΔΑɻ IFMQͱೖྗ͢Δͱ+4IFMMͰͰ͖Δ͜ͱͷҰཡ͕ݟΒΕΔΑɻऴྃ͢Δͱ͖ FYJU
+BWBͷιʔεϑΝΠϧ͔Β࣮ߦ ॻ͍ͨ+BWBͷίʔυΛಈ͔͢ʹຊίϯύΠϧ͠ͳ͍ͱ͍͚ͳ͍͚Ͳɺ ίϯύΠϧͱ͔ΊΜͲ͍͘͞ਓͷͨΊʹɺιʔεϑΝΠϧݸ͚ͩͳΒͦͷ··࣮ߦͰ͖ΔΑɻ
λʔϛφϧʢίϚϯυϓϩϯϓτʣΛ։͍ͯɺ KBWB࡞ͬͨϑΝΠϧ໊ ʢྫɿKBWB)FMMPKBWBʣ ͱೖྗ͢ΕɺϑΝΠϧʹॻ͍ͨ+BWBͷιʔείʔυ͕࣮ߦ͞ΕΔΑɻ ·ͣιʔεϑΝΠϧΛ࡞Γ·͢ɻ ৽͍͠ϑΝΠϧΛ࡞ͬͯɺԼͷࠇͷதΛίϐϖͯ͠Ͷɻ Ϋϥε໊ʢ)FMMPʣࣗ༝ʹ͚ͭͯͶɻϑΝΠϧ໊Ϋϥε໊KBWBʹ͢ΔΑɻ QVCMJDDMBTT)FMMP\ QVCMJDTUBUJDWPJENBJO 4USJOHBSHT
\ ͜͜ʹ࣮ߦ͢Δ༰Λॻ͘Α 4ZTUFNPVUQSJOUMO )FMMP8PSME ^ ^
+BWBͷιʔεϑΝΠϧΛίϯύΠϧ࣮ͯ͠ߦ ͜Ε͕ਖ਼͍͠ʢΊΜͲ͕͘͞Βͳ͍ʣ+BWBͷಈ͔͠ํͩʂ લͷϖʔδͰ࡞ͬͨϑΝΠϧΛ͏Ұ͏Αɻ λʔϛφϧίϚϯυϓϩϯϓτͰɺ KBWBD ࡞ͬͨϑΝΠϧ໊ ʢྫɿKBWBD )FMMPKBWBʣ ͱ࣮ߦͯ͠Ͷɻ KBWBD+BWBͷιʔεϑΝΠϧΛίϯύΠϧ͢ΔͨΊͷίϚϯυͩΑɻ
ਖ਼࣮͘͠ߦͰ͖ΕɺKBWBDΛ࣮ߦͨ͠σΟϨΫτϦʹ DMBTTͱ͍͏֦ுࢠͷΫϥεϑΝΠϧʢ)FMMPDMBTTʣ͕Ͱ͖͍ͯΔΑɻ
͏ҰλʔϛφϧͰɺࠓϑΝΠϧ໊Ͱͳ͘ιʔεʹॻ͍ͨΫϥε໊Λࢦఆͯ͠ɺ KBWBΫϥε໊ʢྫɿKBWB)FMMPʣ ͱ࣮ߦ͢ΕɺιʔεϑΝΠϧʹॻ͍ͨ+BWBͷϓϩάϥϜ͕࣮ߦ͞ΕΔΑɻ
$)".1*0/ :06"3&5)& ͬͨʔ +BWBͰ͖ͨʂ
ݩؾ͕ग़ͨΒଓ͖Λॻ͘Α ɾ*%&Λͬͯ։ൃͯ͠ΈΑ͏ ɾϏϧυπʔϧΛͬͯΈΑ͏ʢ.BWFO(SBEMFʣ ɾ4QSJOHͬͯͳΜͳͷʁ ɾ4QSJOH*OJUJBMJ[FSΛͬͯ4QSJOHͷ1SPKFDUΛ࡞ͬͯΈΑ͏