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デザインにオブジェクト指向を適用する / Apply Object-Oriented to y...
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rockname
February 16, 2020
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デザインにオブジェクト指向を適用する / Apply Object-Oriented to your design
rockname
February 16, 2020
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Transcript
σβΠϯʹΦϒδΣΫτࢦΛద༻͢Δ גࣜձࣾϛΫγΟΈͯͶࣄۀ෦ ϩΫωϜ!SPDLOBNF
NJYJ *OD ࣗݾհ ϩΫωϜSPDLOBNF ؠ໊༐ً w גࣜձࣾϛΫγΟΈͯͶࣄۀ෦ॴଐ w ʹ৽ଔͱͯ͠ೖࣾ w
J04ΛϝΠϯʹ"OESPJE 3BJMTॻ͍ͨΓ͢ΔΤϯδχΞ w 75VCFS ʹ͡͞Μ͡ ͕͖
NJYJ *OD
None
NJYJ *OD Θ͔Γʹ͍͘6* ՈΞϧόϜΈͯͶΛʮΘ͔Γʹ͍͘6*ʯʹͳΔΑ͏ ઃܭͯ͠Έ·͢
ʮΞϧόϜΛݟΔʯΛλοϓ ʮՖࢠͷΞϧόϜʯΛબ ՖࢠͷΞϧόϜ͕දࣔ͞ΕΔ
NJYJ *OD ͳͥΘ͔Γʹ͍͘ͷ͔ w ਓؒΦϒδΣΫτʹରͯ͠ͲΜͳΞΫγϣϯΛ͢ΕͲ͏ͳ Δ͔ɺͱ͍͏ΠϝʔδΛϝϯλϧϞσϧͱͯ͠ܗ͍ͯ͠·͢ w ઌͷʮΘ͔Γʹ͍͘6*ʯͰɺ·ͣΞΫγϣϯΛબͤ͞ ͯɺ࣍ʹͦͷΞΫγϣϯͷରͱͳΔΦϒδΣΫτΛબͤ͞ ͍ͯ·ͨ͠
w ͜ͷΑ͏ͳʮΞΫγϣϯ ಈࢺ ˠΦϒδΣΫτ ໊ࢺ ʯͷૢ࡞ Λڧ͍ΒΕΔਓؒͷϝϯλϧϞσϧʹͨ͠6*ΛλεΫϕʔ εͷ6*ͱݺͼ·͢ w ରͯ͠ɺΦϒδΣΫτ͕ઌʹ͖ͯɺ࣍ʹͦͷΦϒδΣΫτʹର ͢ΔΞΫγϣϯΛબͤ͞Δɺͱ͍͏ʮ໊ࢺˠಈࢺʯͷॱংͰ ઃܭ͞Εͨ6*ΛΦϒδΣΫτϕʔεͷ6*ͱݺͼ·͢ IUUQTBUPDIPUUPDPNΑΓ
NJYJ *OD ϞʔμϧWTϞʔυϨε w λεΫϕʔεʹ͓͚Δಈࢺ͕ઌߦͨ͠6*ͷઃܭͩͱɺͦͷ ಈࢺͷதͰʮϞʔυʯ͕ੜ·ΕɺλεΫ͕ྃ͢Δ·Ͱଞ ͷϞʔυʹΓସ͑Δ͜ͱ͕Ͱ͖ͳ͘ͳͬͯ͠·͍·͢ w ͜ͷΑ͏ͳϞʔυΛ࣋ͭ6*ͷ͜ͱΛϞʔμϧͱݺͼ·͢ w
ରͯ͠ɺͦͷΑ͏ͳϞʔυ͕ଘࡏͤͣɺϢʔβʔଘࡏ͢ ΔΦϒδΣΫτʹରͯࣗ͠༝ʹΞΫγϣϯΛద༻Ͱ͖Δঢ় ଶͷ6*ΛϞʔυϨεͱݺͼ·͢ w 6*Λઃܭ͢Δ্ͰɺՄೳͳݶΓϢʔβʔʹγεςϜͷ ओಋݖΛ༩͑Δ͘ϞʔυΛഉআ͠ϞʔυϨεΛఏڙ͢Δ ͜ͱ͕ྑ͍ͱ͞Ε͍ͯ·͢ IUUQTEFWFMPQFSBQQMFDPNEFTJHOIVNBO JOUFSGBDFHVJEFMJOFTJPTBQQBSDIJUFDUVSF NPEBMJUZΑΓ
0CKFDU0SJFOUFE6TFS*OUFSGBDF
NJYJ *OD 006*ͱ w ཁٻϞσϧ͔Βߏతʹநग़ͨ͠ΦϒδΣΫτΛத৺ʹѻ͏6*ͷઃܭख๏Ͱ͢ w ʹ*#.͕ൃදͨ͠ʮ0CKFDU0SJFOUFE*OUFSGBDF%FTJHO*#.$PNNPO6TFS "DDFTT(VJEFMJOFTʯͷલஈ෦ʹͯʮ0CKFDU0SJFOUFE6TFS*OUFSGBDFʢ006*ʣʯ ͱ͍͏ݴ༿Ͱ(6*ͷࢥ͕ޠΒΕ·ͨ͠ w
006*ʹΑΓઃܭ͞Εͨ6*ΦϒδΣΫτϕʔεͷϞʔυϨεͳ6*ͱͳΓɺΦϒδΣΫτ ͕ߏతʹϚοϐϯά͞ΕͨϏϡʔϢʔβʔʹࣗ༝ͷߴ͍ײతͳૢ࡞ੑΛఏڙ͠ ·͢
NJYJ *OD 006*ͷϞσϦϯάํ๏ ΦϒδΣΫτͷநग़ Ϗϡʔͷఆٛͱઃܭ ϨΠΞτͷઃܭ
NJYJ *OD ΦϒδΣΫτͷநग़ αʔϏεΛఏڙ͢ΔରྖҬͷυϝΠϯ͔Β Ϣʔβʔͷૢ࡞ରͱͳΔΦϒδΣΫτΛநग़͠·͢
NJYJ *OD υϝΠϯۦಈઃܭͰυϝΠϯΦϒδΣΫτΛநग़͢Δ w ॻ੶ʮΤϦοΫΤϰΝϯεͷυϝΠϯۦಈઃܭʯͰɺҎԼͷΑ͏ͳखॱ ͰυϝΠϯϞσϦϯά͕ߦΘΕ͍ͯ·ͨ͠ ରυϝΠϯʹਫ਼௨ͨ͠υϝΠϯΤΩεύʔτͱରࣝ͠Λநग़ நग़͞ΕͨυϝΠϯͷ͔ࣝΒϞσϧΛ։ൃ
Ϟσϧͱ࣮Λ݁ͼ͚ͭΔ Ϟσϧʹج͍ͮͯݴޠΛચ࿅ͤ͞Δ ϒϨΠϯετʔϛϯάͱ࣮ݧΛ܁Γฦͯ͠ϞσϧΛચ࿅ ৠཹ͢Δ w ࠓճɺ͕ࣗΈͯͶͷυϝΠϯΤΩεύʔτͰ͋ΔͱԾఆ͠ɺ্هखॱ ͷ ·ͰΛߦ͍؆ૉͳυϝΠϯϞσϧΛநग़͠·͢
NJYJ *OD ϢʔεέʔεϞσϦϯά w υϝΠϯϞσϧΛઃܭ͢Δ্Ͱཁ݅Λཧ͢ΔΞϓϩʔν༷ʑ͋Δ͕ɺࠓճ؆ུԽͷ ͨΊϢʔεέʔεϞσϦϯάͷΈΛ࠾༻͠·͢ w ϢʔεέʔεϞσϦϯάϢʔβʔ͕γεςϜͰԿΛ͢Δͷ͔ɺԿΛͰ͖ͯԿ͕Ͱ͖ͳ͍ ͷ͔ͱ͍͏Α͏ͳ͜ͱΛ໌֬Խ͢ΔͨΊʹ༻͞Ε·͢ w
·ͣϢʔεέʔεਤΛඳ͍ͯొਓͱେ·͔ͳఏڙ͢ΔػೳΛચ͍ग़͠·͢
NJYJ *OD Ϣʔεέʔεਤ w ύοέʔδʮΞϧόϜʯͱʮϝσΟΞʯʹׂ ͞Ε·ͨ͠ w ɾͱͦΕҎ֎ͷՈʹΑͬͯΞϧόϜʹର͠ ͯͰ͖ΔΞΫγϣϯʹҧ͍͕ੜ·ΕΔͨΊɺ͜ͷ Ոʹ͓͚ΔϢʔβʔͷʮཱʯͷׂॏཁͦ
͏Ͱ͢
NJYJ *OD Ϣʔεέʔεهड़ w ϢʔεέʔεਤͰৄࡉͳ༷͕͖ͬΓ͠ͳ͍ͷͰɺ ʮϢʔεέʔεهड़ʯΛߦ͍·͢ w Ϣʔεέʔεهड़ɺجຊతʹҎԼͷΑ͏ͳϑΥʔϚοτ Ͱ࡞͞Ε·͢ w
Ϣʔεέʔε໊ w ֓ཁ w ΞΫλʔ w ࣄલ݅ w ࣄޙ݅ w Πϕϯτϑϩʔ w ϝΠϯϑϩʔ w ସϑϩʔ w ྫ֎ϑϩʔ
NJYJ *OD υϝΠϯϞσϦϯά w ΞϧόϜ ϝσΟΞͳͲɺϢʔεέʔεϞ σϦϯάʹΑΓநग़͞Εͨ֓೦ΛυϝΠ ϯϞσϧͱͯ͠ఆٛ͠·͢ w ͜ͷͱ͖ɺͦΕͧΕͷϞσϧ͕࣋ͭϓϩ
ύςΟ·Ͱهड़Ͱ͖͍ͯΔͱͳ͓ྑ͍Ͱ ͠ΐ͏ w ͋͘·Ͱ͜ΕόʔδϣϯͷυϝΠϯ ϞσϧͰ͋Γɺຊདྷ͔͜͜Β࣮Λ௨ ͯ͡ΑΓྑ͍Ϟσϧͱચ࿅ͤ͞·͢
NJYJ *OD Ϗϡʔͷఆٛͱઃܭ ରͱͳΔϞσϧΛநग़Ͱ͖ͨͷͰɺଓ͍ͯͦΕΒΛ දࣔ͢ΔϏϡʔΛఆٛ͠·͢
NJYJ *OD ίϨΫγϣϯͱγϯάϧ Ϗϡʔͷఆٛେ͖͘ʮίϨΫγϣϯʯͱʮγϯάϧʯʹ͚Δ͜ͱ͕Ͱ͖·͢ w ίϨΫγϣϯ w ͭͷϏϡʔͷதʹಉ͡ϞσϧΛෳฒͯදࣔ͠·͢ w ྻڍ͞ΕΔϞσϧͷࢹೝੑΛߴΊΔͨΊʹɺදࣔ͢ΔϞσϧͷଐੑߜΓ·͢
w γϯάϧ w ͭͷϏϡʔͰͭͷϞσϧͷΈΛදࣔ͠·͢ w γϯάϧͰϞσϧͷใΛΑΓৄࡉʹදࣔ͠·͢
NJYJ *OD ϞσϧͱϏϡʔͷ֓೦ਤ w ϞσϧΛϏϡʔϚοϐϯά͘͢ɺ֓ ೦ਤΛॻ͍ͯཧ͠·͢ w ͜͜Ͱ͋͘·ͰϏϡʔͲͷΦϒδΣ ΫτΛදࣔ͢Δ͔ɺ͓ΑͼͲͷΑ͏ʹը ໘ભҠ͢Δ͔Λఆٛͯ͠ɺ৭ϑΥϯτ
ͳͲͷϨΠΞτ࣍ͷεςοϓͰߟ͑ ·͢
NJYJ *OD ϨΠΞτͷઃܭ Ϗϡʔͷઃܭ͕Ͱ͖ͨͷͰɺྫͱͯ͠J04ΞϓϦͷϨ ΠΞτΛߟ͑·͠ΐ͏
NJYJ *OD Ϗϡʔͷఆ͔ٛΒϨΠΞτΛߟ͑ΔϝσΟΞҰཡ w ·ͣϝσΟΞͷίϨΫγϣϯදࣔΛߟ͑·͠ΐ͏ w J04ͰίϨΫγϣϯͱͯ͠୯ҰΧϥϜͷ 5BCMF7JFXͱϚϧνΧϥϜͷ$PMMFDUJPO7JFX͕ఏڙ ͞Ε͍ͯ·͢ w
ࣸਅɾಈըͷΑ͏ͳࢹೝੑͷߴ͍ΦϒδΣΫτ $PMMFDUJPO7JFXͰΞϧόϜͷΑ͏ʹฒͯදࣔ͢Δ ͷ͕ྑͦ͞͏Ͱ͢
NJYJ *OD Ϗϡʔͷఆ͔ٛΒϨΠΞτΛߟ͑ΔϝσΟΞৄࡉ w ଓ͍ͯɺϝσΟΞৄࡉʹ͍ͭͯߟ͑·͢ w γϯάϧͰදࣔ͞ΕͨϝσΟΞʹɺϝσΟΞͱରଟ Ͱඥͮ͘ίϝϯτҰॹʹίϨΫγϣϯͰදࣔ͠·͢ w ϝσΟΞҰཡͰදࣔ͞Ε͍ͯͳ͔ͬͨɺϝσΟΞͷ
ʮ͍ͭߘ͞Εͨͷ͔ʯʮެ։ൣғʯͱ͍ͬͨϓϩ ύςΟදࣔͰ͖Δͱྑ͍Ͱ͠ΐ͏ w ·ͨɺϝσΟΞͱ͍͏ΦϒδΣΫτʹରͯ͠ߦ͑Δʮ͓ ؾʹೖΓʯʮίϝϯτʯͷΞΫγϣϯදࣔͰ͖Δ ͱྑ͍Ͱ͢
ϝσΟΞҰཡ ϝσΟΞৄࡉ
NJYJ *OD 006*ߏઃܭ·ͰΛࢧ͑Δ w ΪϟϨοτͷஈ֊Ϟσϧʹ͓͚Δߏઃܭ· ͰΛࢧ͑Δͷ͕006*Ͱ͢ w ͦΕΑΓ্ͷΠϯλϥΫγϣϯϨΠΞτͷ σβΠϯʹ·ͨҧ͏εΩϧ͕ཁٻ͞Ε·͢ w
ͷߴ͍σβΠϯγεςϜΛߏஙͰ͖ͯ ͍ΕදͷઃܭγεςϜԽͰ͖Δ͔͠Ε ·ͤΜ IUUQXXXKKHOFUFMFNFOUT USBOTMBUJPOTFMFNFOUT@KQQEGΑΓ
NJYJ *OD
NJYJ *OD ࠷ޙʹ w Ϣʔβʔͷʮ໊ࢺˠಈࢺʯͱ͍͏ΦϒδΣΫτࢦͳϝϯλϧϞσϧΛ6*ʹөͤ͞Δͨ Ίͷํ๏Ͱ͋Δ006*ʹ͍ͭͯհ͠·ͨ͠ w λεΫϕʔεͷʮΘ͔Γʹ͍͘6*ʯΛݟ͚ͭͨͱ͖ͷΦϒδΣΫτϕʔεͷΞϓϩʔν ͱͯ͠ຊτʔΫ͕গ͠ͰώϯτʹͳΕ͍Ͱ͢
NJYJ *OD ࢀߟࢿྉ w 006*rΦϒδΣΫτϕʔεͷ6*ϞσϦϯά w IUUQTXXXTPDJPNFEJBDPKQ w 006*ͷͯ w
IUUQTXXXTPDJPNFEJBDPKQ w 006*ɾΦϒδΣΫτϕʔεͳ6*σβΠϯʹऔΓΉͨΊͷ৺ߏ͑ w IUUQTOPUFDPNVTBHJNBSVNBOOFFG w ʮ࣮ફυϝΠϯۦಈઃܭʯΛಡΜͩͷͰɺ࣮ࡍʹ%%%Ͱઃܭͯ͠࡞ͬͯΈͨʂ w IUUQTRJJUBDPN"11-&JUFNTEEEDDCCGFFB w υϝΠϯϞσϦϯάͷ࢝Ίํ w IUUQTTQFBLFSEFDLDPNKJLPUPNFJONPUFSJOLVGBMTFTIJNFGBOH
Thank you!!!