Alex Tkachman
30 lines
920 B
Kotlin
30 lines
920 B
Kotlin
package bottles
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fun box() : String {
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var bottles = 10
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while (bottles > 0) {
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print(bottlesOfBeer(bottles) + " on the wall, ")
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println(bottlesOfBeer(bottles) + ".")
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print("Take one down, pass it around, ")
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if (--bottles == 0) {
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println("no more bottles of beer on the wall.")
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}
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else {
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println(bottlesOfBeer(bottles) + " on the wall.")
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}
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}
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return "OK"
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}
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fun bottlesOfBeer(count : Int) : String {
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val result = StringBuilder()
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result += count
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result += if (count > 1) " bottles of beer" else " bottle of beer"
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return result.toString() ?: ""
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}
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// An excerpt from the standard library
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fun print(message : String) { System.out?.print(message) }
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fun println(message : String) { System.out?.println(message) }
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fun StringBuilder.plusAssign(o : Any) { append(o) }
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val <T> Array<T>.isEmpty : Boolean get() = size == 0 |