筋肉kt.pdf

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   1B[[MFSTͱ͸ʁ Kotlin ConfͰൃද͞ΕͨʮKotlinΫΠζʯΈ͍ͨͳ΋ͷ https://www.youtube.com/watch?v=Xq9vBZs0j-8
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   1B[[MFSTͱ͸ʁ ιʔείʔυͱղઆ͸ԼهͷϦϙδτϦʹ͋Δ https://github.com/angryziber/kotlin-puzzlers
7. Copyright © ZOZO Technologies, Inc. All Right Reserved. ͬͦ͘͞໰୊ߦͧ͘ʂʂʂ Έͳ͞Μ΋Ұॹʹߟ͑ͯΈ·͠ΐ͏ʂ
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9. Copyright © ZOZO Technologies, Inc. All Right Reserved. wB
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11. Copyright © ZOZO Technologies, Inc. All Right Reserved. ୈ̍໰
    ղઆ ਖ਼ղ͸ d) Will not compile a -> A ɺ b -> Bɺ c -> bar ͱͨ͠ͱ͖ʹɺ foo(bar<A, B> b)
12. Copyright © ZOZO Technologies, Inc. All Right Reserved. ୈ̍໰
    ղઆ ਖ਼ղ͸ d) Will not compile a -> A ɺ b -> Bɺ c -> bar ͱͨ͠ͱ͖ʹɺ foo(bar<A, B> b) ͻͱͭͷFunction(ؔ਺)ͱͯ͠ධՁ͞ΕΔ
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    ղઆ ίϯύΠϧΛ௨͢ʹ͸ foo((c < a), b > d)
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17. Copyright © ZOZO Technologies, Inc. All Right Reserved. ୈ̎໰
    ղઆ nameͱ͍͏ม਺ʹσʔλ͕ೖΔલʹɺ logo͕ධՁ͞ΕΔ͔Βɻ KotlinΫϥεΛ Object Kotlin ʹ͢Δͱಈ͘ ਖ਼ղ͸ b) NullPointerException
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19. Copyright © ZOZO Technologies, Inc. All Right Reserved. wB
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21. Copyright © ZOZO Technologies, Inc. All Right Reserved. ୈ໰
    ղઆ ɾprintln ͸ݺͼग़͞Εͨॠؒग़ྗ͞ΕΔ ɾVoid ϝιου͸ Unit Λฦ͢ ɾUnit ͸ γϯάϧτϯͰɺ౳͍͠ͱ൑ఆ͞ΕΔ ɾҰ൪֎ͷ print ͕࣮ߦ͞ΕΔલʹ return false͞ΕΔ ਖ਼ղ͸ a) HelloWorld
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    ղઆ ઌʹ੺ͷ৭͕ධՁ͞ΕΔɻ val sum = x?:0 + y ਖ਼ղ͸ c)2
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    ղઆ ઌʹ੺ͷ৭͕ධՁ͞ΕΔɻ val sum = x?:0 + y ܭࢉॲཧͨ݁͠ՌΛnull͔Ͳ͏͔൑ఆ͢Δ(ΤϧϏεԋࢉࢠ) val sum = x?: 3
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