Kotlin List contains() Example

This example shows how to use contains() method to check if a list contains the specified elements.

Kotlin List contains() Example

package net.sourcecodeexamples.kotlin

fun main() {

 val nums = listOf(1, 2, 3, 7, 6, 5, 4)

 val r = nums.contains(4)

 if (r) {
  println("The list contains 4")
 } else {
  println("The list does not contain 4")
 }
 val r2 = nums.containsAll(listOf(1, 6))

 if (r2) {
  println("The list contains 1 and 6")
 } else {
  println("The list does not contain 1 and 6")
 }
}
Output:
The list contains 4
The list contains 1 and 6


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