Question

How to get the difference between two arrays in Kotlin

Answer 1

fun main() {
    val array1 = arrayOf("c#", "c", "c++", "java", "python", "vb", "kotlin")
    val array2 = arrayOf("rust", "c", "c++", "go", "python", "nodejs")

    val set1 = array1.toSet()
    val result = array2.filterNot { set1.contains(it) }

    println(result.joinToString(" "))
}

  
   
/*
run:

rust go nodejs
 
*/

 

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