Question

How to remove the last character from a string in Kotlin

Answer 1

fun removeLastChar(s: String?): String? {
	return if (!s.isNullOrEmpty()) {
               s.substring(0, s.length - 1)
           } else {
               null
           }
    }

fun main() {
	var s: String? = "kotlin java c c++ python"

	s = removeLastChar(s)

    println(s)
}


 
/*
run:
 
kotlin java c c++ pytho
 
*/

 

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