Java Loops and Introduction to Arrays - Find unique

Q15-
Given an array of N elements. In the array, each element is present twice except for 1 element whose frequency in the array is 1. Hence the length of the array will always be odd.
Find the unique number.
Ans-import java.io.*;
import java.util.*;
class Main {
    public static void main (String[] args) {
        Scanner inputScanner = new Scanner(System.in);
        int n = inputScanner.nextInt();
        int A[] = new int[n];
        int xorResult = 0;
        for(int i=0;i<n;i++){
            A[i] = inputScanner.nextInt();
            xorResult = xorResult^ A[i];
        }
        System.out.print(xorResult);
}
}