Решить задание с автопроверкой кода

package app;
 
public class Main {
 
    public static void main(String[] args) {
        int first = Integer.parseInt(args[0]);
        int second = Integer.parseInt(args[1]);
        int third = Integer.parseInt(args[2]);
        int result = getMax(first, second, third);
        System.out.println(result);
    }
 
    public static int getMax(int first, int second, int third) {
        // Write your code here.
        return first;
    }
 
}

int first = Integer.parseInt(args[0]);
        int second = Integer.parseInt(args[1]);
        int third = Integer.parseInt(args[2]);
        int result = getMax(first, second, third);
        System.out.println(result);
    }
    public static int getMax(int first, int second, int third) {
        boolean one = first > second;
        boolean two = first > third;
        boolean three = second > first;
        boolean four = second > third;
        if (one && two) {
            System.out.println(first);
        } else if (three && four) {
            System.out.println(second);
        } else {
            System.out.println(third);
        }
        return first;
    }
}

public class Test {
     public static void main(String[] args) {
            /*
        int first = Integer.parseInt(args[0]);
        int second = Integer.parseInt(args[1]);
        int third = Integer.parseInt(args[2]);
          */
        int first = 1;
        int second = 2;
        int third = 3;
        int result = getMax(first, second, third);
        System.out.println(result);
    }
 
    public static int getMax(int first, int second, int third) {
        int max = first > second ? first : second;
        max = max > third ? max : third;
        return max;
    }
 
}

int res = Math.max(first, second);
res = Math.max(res, third);
return res;

int res = Math.max(Math.max(first, second), third);
return res;

public static int getMax(int first, int second, int third) {
  int max;
  if (first > second) max = first;
  else max = second;
  if (max < third) max = third;
  return max;
}