2433. Find The Original Array of Prefix Xor

class Solution {
    public int[] findArray(int[] pref) {
        int n = pref.length;
        int arr[] = new int[n];
        arr[0] = pref[0];

        for(int i=1; i<n; i++){
            arr[i] = pref[i-1]^pref[i];
        }
        return arr;
    }
}