はじめてのRuby 第9章 / Ruby Practice 09

Transcript

1. ͨͷ͍͠3VCZ
   ୈষ

2. ͨͷ͍͠
 ₍₍ ง?@? ว⁾⁾

3. 3VCZ

4. ୈճ

5. ୈষ
   ԋࢉࢠ

6. 
   ୅ೖԋࢉࢠ

7. w 3VCZͷม਺͸
   ͦͷ໊લͷม਺ʹ࠷ॳʹ୅ೖΛ ߦ͏λΠϛϯάͰ࡞੒͞ΕΔ
   w ʢ͓ͳ͡Έͷʣ ΍
   ͷΑ͏ͳೋ߲ԋࢉ ࢠͱ୅ೖΛ૊Έ߹ΘͤͨԋࢉࢠΛ୅ೖԋࢉࢠͱ ͍͏

   
   ୅ೖԋࢉࢠ WBS
   PQ
   WBM WBS
   
   WBS
   PQ
   WBM

8. 
   ୅ೖԋࢉࢠͷྫ ԋࢉࢠ ҙຯ "
   
   # "ͱ#྆ํਅͳΒਅ "
   ?
   # "
   903
   # "
   
   # "Λ#CJUࠨγϑτ "
   
   #

   "ͱ#ͷ࿦ཧੵ "
   c
   # "ͱ#ͷ࿦ཧ࿨

9. 
   ࿦ཧԋࢉࢠͷԠ༻

10. w ࿦ཧԋࢉࢠΛ࢖ͬͨԋࢉʹ͸࣍ͷಛ௃͕͋Δ
    ᶃ ࠨଆͷ͔ࣜΒॱʹධՁ͞ΕΔ
    ᶄ ࿦ཧࣜͷਅِ͕ܾఆ͢Δͱ࢒Γͷࣜ͸ධՁ ͞Εͳ͍
    ᶅ ࠷ޙʹධՁ͞Εͨࣜͷ஋͕࿦ཧࣜશମͷ஋ ͱͳΔ

    
    ࿦ཧԋࢉࢠͷԠ༻

11. ᶃ ࠨଆͷ͔ࣜΒॱʹධՁ͞ΕΔ
 
 
 ͜ͷΑ͏ͳ͕ࣜ͋ͬͨͱ͖
    ඞͣʮ৚݅ˠ৚݅ ʯͷॱ൪ͰධՁ͞ΕΔ
 
    ࿦ཧԋࢉࢠͷԠ༻ ৚݅
    cc
    ৚݅

12. ᶄ ࿦ཧࣜͷਅِ͕ܾఆ͢Δͱ
    ࢒Γͷࣜ͸ධՁ͞ Εͳ͍
 
 
 ͜ͷ৚݅ͷ৔߹
    ৚͕݅ਅͰ͋Ε͹৚݅Λݟ Δ͜ͱͳ͘શମ͕ਅͰ͋Δ͜ͱ͸ࣗ໌
    Αͬͯ
    

    ৚݅ͷΈධՁ͠৚݅͸ධՁ͠ͳ͍ 
    ࿦ཧԋࢉࢠͷԠ༻ ৚݅
    cc
    ৚݅

13. w ৚ِ͕݅ͷ৔߹͸ࣜશମِ͕ͱͳΔͨΊ
    ৚݅ ِ͕ͷ৔߹͸ͦͷޙͷ৚݅ΛධՁ͠ͳ͍
    w 3VCZͷ࿦ཧԋࢉࢠ͸ແବͳ৚݅ͷ൑ఆ͸ߦΘͳ ͍Α͏ʹͳ͍ͬͯΔ 
    ࿦ཧԋࢉࢠͷԠ༻ ৚݅
    
    ৚݅
    
    ৚݅

14. ᶅ ࠷ޙʹධՁ͞Εͨࣜͷ஋͕࿦ཧࣜશମͷ஋ͱͳ Δ
 
 
 ͜ͷࣜͰ͸
    WBSͷਅِ͕൑ఆ͞Ε
    OJM
    PS
    GBMTF ͷͱ͖ͷΈz3VCZzͷਅِ͕൑அ͞ΕΔ 
    ࿦ཧԋࢉࢠͷԠ༻

    WBS
    cc
    l3VCZz

15. w ࿦ཧԋࢉࢠ͸࣍ͷΑ͏ͳॲཧʹԠ༻Ͱ͖Δ
 ʢม਺OBNFʹԿΒ͔ͷ஋Λ༩͑Δॲཧʣ 
    ࿦ཧԋࢉࢠͷԠ༻ OBNF
    
    l3VCZz
    JG
    WBS
    
    
    OBNF
    
    WBS
    FOE OBNF
    
    WBS
    cc
    l3VCZz WBSʹ஋͕ઃఆ͞Ε͍ͯΕ͹

    WBS
    ͦ͏Ͱͳ͚Ε͹z3VCZz

16. w ࿦ཧԋࢉࢠ͸࣍ͷΑ͏ͳॲཧʹԠ༻Ͱ͖Δ
 ʢ഑ྻͷઌ಄ཁૉΛऔΓग़͢ॲཧʣ
 
 
 
 
 
 
 
    ࿦ཧԋࢉࢠͷԠ༻

    JUFN
    
    OJM
    JG
    BSZ
    
    
    JUFN
    
    BSZpSTU
    FOE OBNF
    
    BSZ
    
    BSZpSTU BSZ͕OJM
    PS
    GBMTFͰͳ͍࣌
    BSZpSTUΛऔΓग़͢

17. w ͜ͷૢ࡞͸
    ʮΦϒδΣΫτϝιουʯͰॻ͘ ͜ͱ΋Ͱ͖ΔʢҎԼͷͭ͸౳Ձʣ
 
 w ͜ͷػೳ͸
    ʮ҆શࢀরԋࢉࢠʯ΍ʮOJMνΣοΫ ෇͖ϝιουʯͱݺ͹ΕΔʢ3VCZ
    Ҏ߱ʣ 
    ࿦ཧԋࢉࢠͷԠ༻

    JUFN
    
    BSZ
    
    BSZpSTU
    JUFN
    
    BSZpSTU

18. w WBS͕OJM
    PS
    GBMTFͷ৔߹ͷΈΛ୅ೖ͢Δίʔυ
    w WBS
    cc
    WBS
    
     ͱ౳ՁͰ͋Δ
    w ม਺ʹσϑΥϧτ஋Λ༩͑Δ৔߹ͷఆ൪ͷॻ͖ ํ 
    ࿦ཧԋࢉࢠͷԠ༻

    WBS
    cc
    

19. 
    ৚݅ԋࢉࢠ

20. w ࡾ߲ԋࢉࢠͱ΋ݺ͹Ε͍ͯΔ
 w ͜ͷࣜ͸
    ҎԼͷJGจͱಉ౳ͷҙຯΛ࣋ͭ 
    ৚݅ԋࢉࢠ ৚݅
    
    ࣜ
    
    ࣜ JG
    ৚݅
    
    
    ࣜ
    

    FMTF
    
    
    ࣜ
    FOE

21. 
    ൣғԋࢉࢠ

22. w ஋ͷൣғΛද͢ΦϒδΣΫτʢGPSࣜ΍FBDIϝιο υͰ΋Ͱ͖ͯͨʣ
 
 w ʮʯΛൣғԋࢉࢠͱ͍͏
    w ൣғԋࢉࢠ͸ೋछྨ͋Γ
    YZ͸<Y
    Z>Λද͠

    
    
 Yʜ
    
    ͸<Y
    Z Λද͍ͯ͠Δ 
    ൣғԋࢉࢠ 3BOHFOFX 
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    লུܗ

23. w 3BOHFΦϒδΣΫτ͸਺஋Ҏ֎ʹ΋
    ݱࡏͷ஋͔ Β࣍ͷ஋Λ࡞ΔϝιουʢOFYUͳͲʣ͕͋Ε͹ ൣғͱͯ͠ࢦఆ͢Δ͜ͱ͕Ͱ͖Δ
 
 w 3BOHFΦϒδΣΫτ಺෦Ͱ͸
    TVDDϝιουΛ ࣍ʑݺͿ͜ͱͰ͜ͷΑ͏ͳಈ࡞Λ࣮ݱ͍ͯ͠Δ

    
    ൣғԋࢉࢠ

24. 
    ԋࢉࢠͷ༏ઌॱҐ

25. w ԋࢉࢠʹ͸༏ઌॱҐ͕ઃ͚ΒΕ͓ͯΓ
    ࣜதʹෳ ਺ͷԋࢉࢠ͕ଘࡏ͢Δ৔߹͸༏ઌ౓ͷߴ͍΋ͷ ͔Βॱʹݺͼग़͞ΕΔ
    ΧοίΛ෇͚Δͱ
    ͦͷ ৔ॴ͔ΒܭࢉΛߦ͏ 
    ԋࢉࢠͷ༏ઌॱҐ ࣜ ҙຯ

    ݁Ռ 
    
    
    
     
    
    
    
      bB`
    
    bC`
    
    
    
    bD` B`
    
    bC`
    
    
    
    bD` bBCCD 
    
    
    
     
    
    
    
      
    
    
    
    
    
     
    
    
    
    
    
     536& 1
    ਤԋࢉࢠͷ༏ઌॱҐࢀর

26. 
    ԋࢉࢠΛఆٛ͢Δ

27. w 3VCZͷԋࢉࢠ͸Πϯελϯεϝιουͱͯ͠ఆ ٛ͞Ε͍ͯΔ
    w ҎԼͷԋࢉࢠΛআ͍ͯ
    ԋࢉࢠΛ࠶ఆٛ͢Δ͜ͱ ͕Ͱ͖Δ 
    ԋࢉࢠΛఆٛ͢Δ  

    cc  ʜ  OPU ll BOE PS

28. w ೋ߲ԋࢉࢠΛఆٛ͢Δʹ͸
    ԋࢉࢠΛϝιου໊ ͱͯ͠ఆٛ͢Δ
 
 
 
 w ೋ߲ԋࢉࢠΛఆٛ͢Δ࣌͸
    Ҿ਺໊ͱͯ͠

    ʮPUIFSʯ͕Α͘༻͍ΒΕΔ 
    ೋ߲ԋࢉࢠ 1
    QPJOUSC࣮ߦ

29. w ୯߲ԋࢉࢠΛఆٛ͢Δʹ͸
    ʮԋࢉࢠ!ʯΛϝ ιου໊ͱͯ͠ఆٛ͢Δ
 
 
 
 
    ୯߲ԋࢉࢠ ࣗ෼ͷෳ੡

30. w ഑ྻ΍ϋογϡͰ༻͍ΒΕΔPCK<J>ͱPCK<J>
    
    Yͷ ͜ͱΛఴࣈϝιουͱ͍͏
    w ͜ΕΒͷϝιου͸
    <>ͱ<>ͱ͍͏໊લͰఆٛՄ ೳͰ͋Δ
    w <> JOEFY

    
    <> JOEFY
    WBM ͱఆٛ͢ΔʢJOEFY͸ ఴࣈͷ൪߸
    WBM͸୅ೖ͢Δ஋ʣ 
    ఴࣈϝιου

31. w ఴࣈϝιου࣮૷ྫ 
    ఴࣈϝιου

32. ࠓճͷ·ͱΊ

33. ·ͱΊ w 
    
    ͷΑ͏ͳԋࢉࢠΛ୅ೖԋࢉࢠͱ͍͏
    w ࿦ཧԋࢉࢠΛ׆༻͢Δ͜ͱͰ
    ৚݅ࣜ΍ॳظԽΛ ޮ཰తʹॻ͘͜ͱ͕Ͱ͖Δ
    w

    3BOHFΦϒδΣΫτ͸ൣғΛද͓ͯ͠Γ
    ൣғԋ ࢉࢠʮʯʮʜʯΛ༻͍Δ͜ͱͰੜ੒Ͱ͖Δ
    w Ұ෦ͷԋࢉࢠΛআ͍ͯ
    ԋࢉࢠΛ࠶ఆٛ͢Δ͜ͱ ͕Ͱ͖Δ