최댓값과 최솟값

 

import java.util.*;
class Solution {
    public String solution(String s) {
        String answer = "";
        
        String[] arr = s.split(" ");

        int max = Arrays.stream(arr).mapToInt(Integer::parseInt).max().getAsInt();
        int min = Arrays.stream(arr).mapToInt(Integer::parseInt).min().getAsInt();
        
        answer += (min + " " + max);
        return answer;
    }
}