카타 Your order, please

1 Java

import java.util.Arrays;
import java.util.Comparator;

public class Order {
  public static String order(String words) {
    return Arrays.stream(words.split(" "))
      .sorted(Comparator.comparing(s -> Integer.valueOf(s.replaceAll("\\D", ""))))
      .reduce((a, b) -> a + " " + b).get();
  }
}

2 참고

• https://www.codewars.com/kata/55c45be3b2079eccff00010f