Reverse string using recursion in kotlin
Kotlin program for Reverse string using recursion. Here problem description and explanation.
// Reverse string using recursion in Kotlin
class ReverseString
{
// This is reversing the string elements recursively
fun reverseText(text: String, location: Int): String
{
// Base condition to stop the recursion process
if (location >= 0)
{
// Recursive function call
return text.get(location).toString() +
this.reverseText(text, location - 1);
}
// When no character remaining
return "";
}
// This is handling the request process of reverse string elements
fun reverse(text: String): String
{
// Display given string elements
println("Before Text : [" + text + "]");
return this.reverseText(text, text.length - 1);
}
}
fun main(args: Array < String > ): Unit
{
val task: ReverseString = ReverseString();
var text: String = "ABCDE";
text = task.reverse(text);
// After reverse
println("After Text : [" + text + "]\n");
text = task.reverse("654A321");
// After reverse
println("After Text : [" + text + "]\n");
}
Output
Before Text : [ABCDE]
After Text : [EDCBA]
Before Text : [654A321]
After Text : [123A456]
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