최대값과 최솟값

package programmers;

public class 최대값과최솟값 {

   public static String solution(String s) {
      String[] strings = s.split(" ");
      int max = Integer.MIN_VALUE;
      int min = Integer.MAX_VALUE;
      for (String string : strings) {
         int number = Integer.parseInt(string);
         max = Math.max(max, number);
         min = Math.min(min, number);
      }

      return min + " " + max;
   }

   public static void main(String[] args) {
      System.out.println(solution("1 2 3 4"));
      System.out.println(solution("-1 -2 -3 -4"));
      System.out.println(solution("-1 -1"));
   }
}