import java.util.Arrays;...

public class Order {

public static String order(String words) {

String[] strs = words.split(" ");

arrays.sort(strs, (String s1, String s2) -> s1.replaceAll("[a-zA-Z]","").compareTo(s2.replaceAll("[a-zA-Z]","")) );

String f = "";

for(String st:strs) f+=st + " ";

return f.substring(0,f.length()-1);

}

}