はじめてのRuby 第3章 / Ruby Practice 03

Transcript

1. ͨͷ͍͠3VCZ
   ୈষ

2. ͨͷ͍͠3VCZ
   ୈষ
   ίϚϯυΛ࡞Ζ͏

3. 
   ίϚϯυϥΠϯ
 ͔Βͷσʔλೖྗ

4. 
   ίϚϯυϥΠϯ͔Βͷσʔλೖྗ w ϓϩάϥϜͰग़ྗͰ͸ͳ͘ೖྗΛѻ͓͏
   w ·ͣ͸͡ΊʹɺίϚϯυϥΠϯҾ਺"3(7Λ࢖ͬ ͯΈΔ
   w $ͷDIBS
   BSHW<>ͱಉ͡Α͏ʹ࣮ߦʢୠ͠ఴࣈ͕ গ͠ҟͳΔͨΊ஫ҙʣ

5. 
   ίϚϯυϥΠϯ͔Βͷσʔλೖྗ w ࣮ߦ࣌ʹจࣈྻΛ༩͑Δͱɺඪ४ग़ྗʹදࣔ͞ ΕΔ
   w ίϚϯυϥΠϯҾ਺͸ɺۭന۠੾ΓͰೖྗ͢Δ ྫ͑͹ҎԼͷΑ͏ʹೖྗͨ͠৔߹
 
 lBBBz͕"3(7<>ʹͳΔͷͰ஫ҙ 1
   QSJOU@BSHWSC
   ࣮ߦ

   
   SVCZ
   QSJOU@BSHWSC
   lBBBz
   lCCCz
   lDDDz

6. 
   ίϚϯυϥΠϯ͔Βͷσʔλೖྗ w ίϚϯυϥΠϯҾ਺ͰܭࢉΛߦ͍͍ͨ FY
     ৔߹͸ɺจࣈྻˠ਺ࣈʹม׵͢Δඞཁ͕͋Δ
   w ม׵͸ɺ0CKUP@JͰߦ͏ 1
   BSH@BSJUISC
   ࣮ߦ

7. 
   ϑΝΠϧ͔Βͷ
   ಡΈࠐΈ

8. 
   ϑΝΠϧ͔ΒͷಡΈࠐΈ w ࢝ΊΔલʹҎԼͷ63-͔ΒϑΝΠϧΛ%-
 IUUQTEMESPQCPYVTFSDPOUFOUDPNV $IBOHF-PH
   w NBDͷਓ͸
 DVSM
   0
   IUUQTEMESPQCPYVTFSDPOUFOUDPNV $IBOHF-PH
   w

   $FOU04ͷਓ
 XHFU
   IUUQTEMESPQCPYVTFSDPOUFOUDPNV $IBOHF-PH
   
   
   
   
   
   
   
   
   
   
   
   
   
   

9. 
   ϑΝΠϧ͔ΒಡΈࠐΜͰදࣔ w ϑΝΠϧ͔Β͢΂ͯͷߦΛಡΈग़͠ɺඪ४ग़ྗʹ ग़ྗ͢ΔྲྀΕ͸ҎԼͷΑ͏ʹͳΔ
   ᶃ ϑΝΠϧΛ։͘
   ᶄ ϑΝΠϧͷσʔλʢςΩετʣΛಡΈࠐΉ
   
   
   
   ᶅ ಡΈࠐΜͩσʔλΛग़ྗ͢Δ
   

   ᶆ ϑΝΠϧΛด͡Δ

10. 
    ϑΝΠϧ͔ΒಡΈࠐΜͰදࣔ w ϓϩάϥϜͰॻ͘ͱҎԼͷ௨Γ 1
    SFBE@UFYUSC
    ࣮ߦ

11. 
    ϑΝΠϧ͔ΒಡΈࠐΜͰදࣔ ᶃ ϑΝΠϧ໊Λऔಘ
    ᶄ pMFOBNFͱ͍͏໊લͷϑΝΠϧΛ։͘
 ʢpMFΦϒδΣΫτͷऔಘʣ
    ᶅ ϑΝΠϧ͔ΒσʔλΛಡΈࠐΉ
    ᶆ σʔλΛඪ४ग़ྗʹදࣔ
    

    ᶇ ϑΝΠϧΛด͡Δ

12. 
    ϑΝΠϧ͔ΒಡΈࠐΜͰදࣔ ᶃ ϑΝΠϧ໊Λऔಘ
    ᶄ pMFOBNFͱ͍͏໊લͷϑΝΠϧΛ։͘
 ʢpMFΦϒδΣΫτͷऔಘʣ
    ᶅ ϑΝΠϧ͔ΒσʔλΛಡΈࠐΉ
    ᶆ σʔλΛඪ४ग़ྗʹදࣔ
    

    ᶇ ϑΝΠϧΛด͡Δ

13. 
    ߦͣͭσʔλΛಡΈࠐΉ w ઌ΄ͲͷϓϩάϥϜʹ͸ܽ఺͕ଘࡏ͢Δ
    ᶃ ౓ʹ͢΂ͯͷσʔλΛಡΈࠐΉͨΊɺσʔλ αΠζ͕େ͖͍ϑΝΠϧʹରͯ͠ߦ͏ͱଟ͘ ͷϝϞϦΛফඅͯ͠͠·͏
    ᶄ ߦ͚ͩཉ͍͠৔߹Ͱ΋ɺશͯಡΈࠐ·ͳ͚ Ε͹ͳΒͳ͍

14. 
    ߦͣͭσʔλΛಡΈࠐΉ w ߦͣͭಡΈࠐΉΑ͏ʹվྑ͢Δ͜ͱͰɺϝϞϦ ͷফඅྔΛ཈͑Δ͜ͱ͕Ͱ͖Δ 1
    SFBE@MJOFSC
    ࣮ߦ

15. 
    ϑΝΠϧͷத͔ΒಛఆͷύλʔϯΛؚΉߦΛ औΓग़͢ w HSFQίϚϯυͷΑ͏ͳػೳΛ࣮૷͠Α͏
    w SVCZ
    GPPSC
    lݕࡧจࣈz
    lϑΝΠϧzͷΑ͏ͳܗ ࣜͰ࣮ݱ͍ͨ͠
    w ͍ͭͧ΍͔ʹར༻ͨ͠SFHFYQͷύλʔϯϚον Λ࢖࣮ͬͯ૷͢Δ

16. 
    ϑΝΠϧͷத͔ΒಛఆͷύλʔϯΛؚΉߦΛ औΓग़͢ 1
    TJNQMF@HSFQSC
    ࣮ߦ

17. 
    ϑΝΠϧͷத͔ΒಛఆͷύλʔϯΛؚΉߦΛ औΓग़͢ ᶃ ϑΝΠϧ໊ͷऔಘ
    ᶄ 3FHFYQΦϒδΣΫτΛੜ੒
    ᶅ ϑΝΠϧΛ։͘
    ᶆ ͢΂ͯͷߦΛऔಘ
    

    ᶇ ύλʔϯʹϚονͨ͠৔߹ɺͦͷߦΛग़ྗ
    ᶈ ϑΝΠϧΛด͡Δ

18. 
    ϑΝΠϧͷத͔ΒಛఆͷύλʔϯΛؚΉߦΛ औΓग़͢ ᶃ ϑΝΠϧ໊ͷऔಘ
    ᶄ 3FHFYQΦϒδΣΫτΛੜ੒
    ᶅ ϑΝΠϧΛ։͘
    ᶆ ͢΂ͯͷߦΛऔಘ
    

    ᶇ ύλʔϯʹϚονͨ͠৔߹ɺͦͷߦΛग़ྗ
    ᶈ ϑΝΠϧΛด͡Δ

19. 
    ϝιουͷ࡞੒

20. 
    ϝιουͷ࡞੒ w Ϣʔβʔ͕ಠࣗʹϝιουΛఆٛ͢Δ͜ͱ͕Ͱ ͖Δ
    
    w ϝιουΛ࡞੒͢Δ৔߹ɺҎԼͷΑ͏ͳߏจΛ ༻͍ͯ࡞੒͢Δ ϝιου໊ ϝιουͷத਎ EFGΩʔϫʔυ

21. 
    ϝιουͷ࡞੒ w ϝιουΛར༻͢Δʹ͸ݺͼग़͢ඞཁ͕͋Δ
    w ݺͼग़͠͸ҎԼͷ௨Γ
    w ϝιου͕Ҿ਺ΛऔΒͳ͍৔߹͸ɺݺͼग़͢ࡍ ʹΧοίΛলུ͢Δ΂͖
 R ?@?P

    E ?@?P

22. 
    ผͷϑΝΠϧΛಡΈࠐΉ

23. 
    ผͷϑΝΠϧΛऔΓࠐΉ w ΄͔ͷϓϩάϥϜͰ࡞ͬͨػೳʢϥΠϒϥϦʣ ΛผͷϓϩάϥϜͰ࢖͍·Θ͍ͨ͠
    w ૊ΈࠐΉʹ͸SFRVJSF PS
    SFRVJSF@SFMBUJWF ϝιο υΛར༻͢Δ
    w

    SFRVJSF
    lϑΝΠϧ໊zͱ͍͏ܗͰಡΈࠐΉ
    ϑΝ Πϧ໊ͷ֦ுࢠ͸লུՄೳ
    w ࢦఆͨ͠ϑΝΠϧ͸౓͚ͩಡΈࠐ·ΕΔ

24. 
    ผͷϑΝΠϧΛऔΓࠐΉ w SFRVJSF͸طଘͷϥΠϒϥϦΛಡΈࠐΉͨΊʹ࢖ ͏
    w SFRVJSF@SFMBUJWFϝιου͸ɺϓϩάϥϜͷΧϨ ϯτσΟϨΫτϦΛج४ʹͯ͠୳͢

25. 
    ผͷϑΝΠϧΛऔΓࠐΉ w HSFQSCͱͯ͠ҎԼͷΑ͏ͳίʔυΛ࡞੒ 1
    HSFQSC
    

26. 
    ผͷϑΝΠϧΛऔΓࠐΉ w HSFQSCΛಡΈࠐΈɺTJNQMF@HSFQΛར༻͢Δ
 
 
 
 
 w ಺༰͸෼ׂ͞Ε͍ͯΔ΋ͷͷɺઌ΄Ͳͷ TJNQMF@HSFQSCͱಉ༷ʹ࣮ߦՄೳ

    1
    VTF@HSFQSC
    Λ࣮ߦ

27. 
    ผͷϑΝΠϧΛऔΓࠐΉ w SVCZʹ͸༷ʑͳϥΠϒϥϦ͕ඪ४Ͱ෇ଐ͍ͯ͠ Δ
    w ྫ͑͹%BUFΫϥεʢ೔෇ʹؔΘΔΦϒδΣΫτʣ ͸ҎԼͷΑ͏ʹར༻͢Δ

28. ࠓ೔ͷ·ͱΊ ˜͍Β͢ͱ΍

29. ·ͱΊ w ίϚϯυϥΠϯҾ਺Λ࢖͏ʹ͸ɺ"3(7<JOEFY>ͰΞΫη ε
    w ϑΝΠϧΛಡΈࠐΉʹ͸ɺ'JMFPQFO lpMFOBNFz ͱͯ͠ ಡΈࠐΉ
    w

    ϝιου͸EFGΩʔϫʔυΛ༻͍ͯఆٛ
    w ֎෦ϑΝΠϧΛಡΈࠐΉ࣌͸ɺSFRVJSF PS
    SFRVJSF@SFMBUJWF Λ࢖͏
    w SFRVJSF͸૊ΈࠐΈͷϥΠϒϥϦɺͦΕҎ֎͸ SFRVJSF@SFMBUJWFΛ࢖͏