프로그래머스

package hello;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {
	public static void main(String[] args){
		Solution solution = new Solution();
		solution.solution("-1 -1");
	}
}

class Solution {
	public String solution(String s) {
		String answer = "";
		StringTokenizer st = new StringTokenizer(s);
		List<Integer> nums = new ArrayList<>();
		
		while (st.hasMoreTokens()) {
			String tmp = st.nextToken();
			nums.add(Integer.parseInt(tmp));
		}
		Collections.sort(nums);

		int min = nums.get(0);
		int max = nums.get(nums.size()-1);


		answer += min;
		answer += " ";
		answer += max;

		return answer;
	}
}