How to Replace Character at Specific Index in String in Kotlin - Step by Step Examples

How to Replace Character at Specific Index in String in Kotlin ?

Answer

To replace a character at a specific index in a string in Kotlin, you can use string manipulation functions like `substring` and `plus`.


✐ Examples

1 Replace character at specific index in a string

In this example,

  1. We create a string named str.
  2. We replace the character at index index with the character newChar using string manipulation.
  3. Finally, we print the modified string str.

Kotlin Program

fun main() {
    var str = "Hello World"
    val index = 6
    val newChar = 'x'
    str = str.substring(0, index) + newChar + str.substring(index + 1)
    println(str)
}

Output

Hello xorld

Summary

In this tutorial, we learned How to Replace Character at Specific Index in String in Kotlin language with well detailed examples.


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