swapping elements in an array

Faus answered on July 4, 2022 Popularity 9/10 Helpfulness 4/10

answer swapping elements in an array

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swapping elements in an array

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let a = 1;
let b = 3;

[a, b] = [b, a]; // destructuring assignment, assigning the value of a and b to a new array created with b and a
console.log(a); // 3
console.log(b); // 1

const arr = [1,2,3];
[arr[2], arr[1]] = [arr[1], arr[2]];
console.log(arr); // [1,3,2]

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: developer.mozilla.org

Tags: elements javascript

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Contributed on Jul 04 2022

Faus

0 Answers Avg Quality 2/10

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swap in array

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import java.util.Arrays;

public class swapInArray {

    public static void main (String[] args) {
                int[] arr = {1,10,100,1000};
                swap(arr,1,3);
                System.out.println(Arrays.toString(arr));
            }

            private static void swap (int[] arr, int index1, int index2){
                int elem1 = arr[index1];
                int elem2 = arr[index2];
                arr[index1] = elem1;
                arr[index2] = elem2;
    }
}

Popularity 9/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java swap

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Contributed on Oct 18 2022

Breakable Boar

0 Answers Avg Quality 2/10

swap variables in array in js

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const edibles = ["food", "fruits"];

let [positionOne, positionTwo] = edibles;
const temp = positionOne;

positionOne = positionTwo;
positionTwo = temp;
console.log(positionOne, positionTwo);

// fruits, food

Popularity 9/10 Helpfulness 1/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript j

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Contributed on Mar 09 2023

Imran Khan

0 Answers Avg Quality 2/10

swapping elements in an array

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