筋肉kt.pdf

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1. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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2. ϓϩϑΟʔϧ
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   Copyright © ZOZO Technologies, Inc. All Right Reserved.
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3. ϓϩϑΟʔϧ
   Copyright © ZOZO Technologies, Inc. All Right Reserved.
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4. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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   ݱࡏ$IBUػೳΛ࣮૷͍ͯ͠·͢ʂ
   

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5. Copyright © ZOZO Technologies, Inc. All Right Reserved.
   ,PUMJO1B[[MFSTͱ͸ʁ
   Kotlin ConfͰൃද͞ΕͨʮKotlinΫΠζʯΈ͍ͨͳ΋ͷ
   https://www.youtube.com/watch?v=Xq9vBZs0j-8
   

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6. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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   ιʔείʔυͱղઆ͸ԼهͷϦϙδτϦʹ͋Δ
   https://github.com/angryziber/kotlin-puzzlers
   

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7. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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   Έͳ͞Μ΋Ұॹʹߟ͑ͯΈ·͠ΐ͏ʂ
   

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8. Copyright © ZOZO Technologies, Inc. All Right Reserved.
   ୈ̍໰
   

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9. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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10. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ਖ਼ղͱղઆ
    

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11. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ਖ਼ղ͸ d) Will not compile
    a -> A ɺ b -> Bɺ c -> bar ͱͨ͠ͱ͖ʹɺ
    foo(bar b)
    

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12. Copyright © ZOZO Technologies, Inc. All Right Reserved.
    ୈ̍໰ղઆ
    ਖ਼ղ͸ d) Will not compile
    a -> A ɺ b -> Bɺ c -> bar ͱͨ͠ͱ͖ʹɺ
    foo(bar b)
    ͻͱͭͷFunction(ؔ਺)ͱͯ͠ධՁ͞ΕΔ
    

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13. Copyright © ZOZO Technologies, Inc. All Right Reserved.
    ୈ̍໰ղઆ
    ίϯύΠϧΛ௨͢ʹ͸
    foo((c < a), b > d)
    

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14. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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15. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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16. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ਖ਼ղͱղઆ
    

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17. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    nameͱ͍͏ม਺ʹσʔλ͕ೖΔલʹɺ
    logo͕ධՁ͞ΕΔ͔Βɻ
    KotlinΫϥεΛ Object Kotlin ʹ͢Δͱಈ͘
    ਖ਼ղ͸ b) NullPointerException
    

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18. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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19. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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20. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ਖ਼ղͱղઆ
    

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21. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ɾprintln ͸ݺͼग़͞Εͨॠؒग़ྗ͞ΕΔ
    ɾVoid ϝιου͸ Unit Λฦ͢
    ɾUnit ͸ γϯάϧτϯͰɺ౳͍͠ͱ൑ఆ͞ΕΔ
    ɾҰ൪֎ͷ print ͕࣮ߦ͞ΕΔલʹ return false͞ΕΔ
    ਖ਼ղ͸ a) HelloWorld
    

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22. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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23. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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24. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ਖ਼ղͱղઆ
    

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25. Copyright © ZOZO Technologies, Inc. All Right Reserved.
    ୈ໰ղઆ
    ઌʹ੺ͷ৭͕ධՁ͞ΕΔɻ
    val sum = x?:0 + y
    ਖ਼ղ͸ c)2
    

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26. Copyright © ZOZO Technologies, Inc. All Right Reserved.
    ୈ໰ղઆ
    ઌʹ੺ͷ৭͕ධՁ͞ΕΔɻ
    val sum = x?:0 + y
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    val sum = x?: 3
    

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27. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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28. Copyright © ZOZO Technologies, Inc. All Right Reserved.
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    ͥͻ࠙਌ձͰ͓࿩͠·͠ΐ͏ʂʂ
    

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