Kotlin

1.[Kotlin]변수선언 val, var, const/val과 const val의 차이

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2.[Kotlin]값을 리턴하는 if문(변수에 직접 if문 사용) / ?, ?., ?:, as?, delegates, !!, let

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3.[Kotlin]if/when문 사용 구분

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4.[Kotlin]배열 arrayOf/IntArray/intArrayOf

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5.[Kotlin]반복문 for/forEach/while

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6.[Kotlin]Class/constructor/init

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7.[Kotlin]get() / set()

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8.[Kotlin]object/상속/익스텐션

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9.[Kotlin]추상클래스/인터페이스

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10.[Kotlin]data class

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11.[Kotlin]지연초기화-lateinit/lateinit과 by lazy의 차이

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12.[Kotlin]스코프 함수-apply,also,run,let

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13.[Kotlin]Any/is연산자/형변환

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14.[Kotlin]고차함수와 람다식

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