Kotlin Program to delete an element in an array


In this program, You will learn how to delete an element in an array in Kotlin.


Array list is: 2 3 4 5 6 7

Enter for delete: 4

New Array list is: 2 3 5 6 7

Example: How to delete an element in an array in Kotlin.

import java.util.Scanner

fun main(args: Array<String>) {

    val arr = IntArray(100)
    var n: Int
    var num: Int
    var p = 0
    val sc = Scanner(System.`in`)

    print("Enter size of an array:")
    n = sc.nextInt()

    print("Enter $n elements:")

    for (i in 0 until n) {
        arr[i] = sc.nextInt()
    }

    print("Enter a element for delete:")
    num = sc.nextInt()

    for (i in 0 until n) {
        if (arr[i] == num) {
            arr[i] = arr[i + 1]
            p = 1
        } else if (p > 0) {
            arr[i] = arr[i + 1]
        }
    }

    print("New Array list are:")
    for (i in 0 until n - p)
        print("${arr[i]} ")
}

Output:

Enter size of an array:5
Enter 5 elements:10 20 30 40 50
Enter a element for delete:20
New Array list are:10 30 40 50

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