Question

How to recursively reverse a string in Kotlin

Answer 1

fun reverseStrRecursively(str: String): String {
    return if (str.isEmpty()) {
        ""
    } else {
        reverseStrRecursively(str.substring(1)) + str[0]
    }
}

fun main() {
	val str = "kotlin"

	println(reverseStrRecursively(str))
}



/*
run:
  
niltok
  
*/

 

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