Create and use RuleBasedCollator in Java

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import java.text.Collator;
import java.text.ParseException;
import java.text.RuleBasedCollator;

public class Main {

  public static void sortStrings(Collator collator, String[] words) {
    String tmp;
    for (int i = 0; i < words.length; i++) {
      for (int j = i + 1; j < words.length; j++) {
        // Compare elements of the words array
        if (collator.compare(words[i], words[j]) > 0) {
          // Swap words[i] and words[j]
          tmp = words[i];
          words[i] = words[j];
          words[j] = tmp;
        }
      }
    }
  }

  public static void printStrings(String[] words) {
    for (int i = 0; i < words.length; i++) {
      System.out.println(words[i]);
    }
  }

  static public void main(String[] args) {

    String englishRules = ("< a,A < b,B < c,C < d,D < e,E < f,F "
        + "< g,G < h,H < i,I < j,J < k,K < l,L "
        + "< m,M < n,N < o,O < p,P < q,Q < r,R "
        + "< s,S < t,T < u,U < v,V < w,W < x,X " + "< y,Y < z,Z");

    String smallnTilde = new String("\u00F1");
    String capitalNTilde = new String("\u00D1");

    String traditionalSpanishRules = ("< a,A < b,B < c,C "
        + "< ch, cH, Ch, CH " + "< d,D < e,E < f,F "
        + "< g,G < h,H < i,I < j,J < k,K < l,L " + "< ll, lL, Ll, LL "
        + "< m,M < n,N " + "< " + smallnTilde + "," + capitalNTilde
        + " " + "< o,O < p,P < q,Q < r,R "
        + "< s,S < t,T < u,U < v,V < w,W < x,X " + "< y,Y < z,Z");

    String[] words = { "luz", "curioso", "llama", "chalina" };

    try {
      RuleBasedCollator enCollator = new RuleBasedCollator(englishRules);
      RuleBasedCollator spCollator = new RuleBasedCollator(
          traditionalSpanishRules);

      sortStrings(enCollator, words);
      printStrings(words);

      System.out.println();

      sortStrings(spCollator, words);
      printStrings(words);
    } catch (ParseException pe) {
      System.out.println("Parse exception for rules");
    }
  }
}