Question

How to get the number of characters that two strings have in common in Kotlin

Answer 1

fun commonCharactersCount(str1: String, str2: String): Int {
    return str1.toSet().intersect(str2.toSet()).size
}

fun main() {
    val str1 = "abcdefg"
    val str2 = "xayzgoe"

    println(commonCharactersCount(str1, str2))
}

  
     
/*
run:
  
3
 
*/

 

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