public int[] maxEnd3(int[] nums) {
  int greatest = Math.max( nums[0], nums[2] );
  nums[0] = greatest;
  nums[1] = greatest;
  nums[2] = greatest;
  return nums;
}

public int[] maxEnd3(int[] nums) {
  int largest = Math.max(nums[0], nums[2]);
  int[] a = { largest, largest, largest };
  return a;
}