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Day 7: Arrays Hackerrank Solution Java

 Day 7: Arrays Hackerrank Solution Java

For Explanation Check The Video:


Sample Input

4
1 4 3 2

Sample Output

2 3 4 1
Code:
import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;

public class Solution {



    private static final Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
        int n = scanner.nextInt();
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        int[] arr = new int[n];

        String[] arrItems = scanner.nextLine().split(" ");
        scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");

        for (int i = 0; i < n; i++) {
            int arrItem = Integer.parseInt(arrItems[i]);
            arr[i] = arrItem;
        }
        for(int i=n-1;i>=0;i--){//3,2,1,0
            System.out.print(arr[i]+" ");//2 3 4 1
        }

        scanner.close();
    }
}

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