Question

How to initialize char array with random characters in Kotlin

Answer 1

import kotlin.random.Random

fun initializeCharArrayWithRandomCharacters(size: Int): CharArray {
    val characters = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
    val charArray = CharArray(size)
    
    for (i in charArray.indices) {
        charArray[i] = characters[Random.nextInt(characters.length)]
    }
    
    return charArray
}

fun main() {
    val size = 10 // Array size
    
    val charArray = initializeCharArrayWithRandomCharacters(size)

    println(charArray.joinToString(" "))
}

  
     
/*
run:
  
y o Z q y 6 q A J 2
 
*/

 

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