How to check if Two Arrays are Equal in Kotlin

How to check if Two Arrays are Equal in Kotlin ?

Answer

To check if two arrays are equal in Kotlin, you can use the contentEquals method of the Arrays class for arrays with the same elements, and the Arrays.equals method for arrays with different elements.

✐ Examples

1 Arrays with Same Elements

In this example,

We create two arrays named arr1 and arr2 with the same elements.
We then use the contentEquals method of the Arrays class to check if the arrays are equal and store the result in the variable equal1.
The contentEquals method returns true if the arrays have the same elements in the same order, otherwise false.
Finally, we print the value of equal1 to the console.

Kotlin Program

import java.util.Arrays;

fun main() {
    val arr1 = intArrayOf(1, 2, 3)
    val arr2 = intArrayOf(1, 2, 3)
    val equal1 = arr1.contentEquals(arr2)
    println("Arrays are equal: $equal1")
}

Output

Arrays are equal: true

2 Arrays with Different Elements

In this example,

We create two arrays named arr3 and arr4 with different elements.
We then use the Arrays.equals method to check if the arrays are equal and store the result in the variable equal2.
The Arrays.equals method compares the arrays for equality irrespective of the order of elements.
Finally, we print the value of equal2 to the console.

Kotlin Program

import java.util.Arrays;

fun main() {
    val arr3 = intArrayOf(1, 2, 3)
    val arr4 = intArrayOf(7, 2, 8)
    val equal2 = Arrays.equals(arr3, arr4)
    println("Arrays are equal: $equal2")
}

Output

Arrays are equal: false

Summary

In this tutorial, we learned How to check if Two Arrays are Equal in Kotlin language with well detailed examples.

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How to check if Two Arrays are Equal in Kotlin

How to check if Two Arrays are Equal in Kotlin ?

Answer

✐ Examples

1 Arrays with Same Elements

Kotlin Program

Output

2 Arrays with Different Elements

Kotlin Program

Output

Summary

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