Largest Combination With Bitwise AND Greater Than Zero LeetCode solution in Java

1
class Solution {
2
  public static int largestCombination(int[] candidates) {
3
    int arr[] = new int[32];
4
    for (int i = 0; i < candidates.length; i++) {
5
      String temp = Integer.toBinaryString(candidates[i]);
6
      int n = temp.length();
7
      int index = 0;
8
      while (n-- > 0) {
9
        arr[index++] += temp.charAt(n) - '0';
10
      }
11
    }
12
    int res = Integer.MIN_VALUE;
13
    for (int i = 0; i < 32; i++) {
14
      res = Math.max(res, arr[i]);
15
    }
16
    return res;
17
  }
18
}