9 lines
211 B
Kotlin
9 lines
211 B
Kotlin
// version 2.3.0
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fun main() {
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val s = "alphaBETA"
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println(s.uppercase())
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println(s.lowercase())
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println(s.replaceFirstChar{ it.uppercase() })
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println(s.replaceFirstChar{ it.lowercase() })
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}
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