1502. Can Make Arithmetic Progression From Sequence java

https://leetcode.com/problems/can-make-arithmetic-progression-from-sequence/?envType=study-plan&id=programming-skills-i 

Can Make Arithmetic Progression From Sequence - LeetCode

class Solution {
    public boolean canMakeArithmeticProgression(int[] arr) {
        Arrays.sort(arr);
        int diff =  arr[1] - arr[0];
        for (int i = 2; i < arr.length; i++) {
          if (arr[i] - arr[i-1] != diff){
            return false;
          }
        }
        return true;
    }
}