求大神解答，下面这段代码的返回值是什么？

F10huihui11 2012-08-04 11:04:34

public class RuleMatch implements Comparable<RuleMatch> {



  private static final Pattern SUGGESTION_PATTERN = Pattern.compile("<suggestion>(.*?)</suggestion>");



  private int fromLine = -1;

  private int column = -1;

  private int offset = -1;

  private int endLine = -1;

  private int endColumn = -1;



  private final Rule rule;

  private final int fromPos;

  private final int toPos;

  private final String message;

  private final String shortMessage;   // for OOo/LO context menu



  private List<String> suggestedReplacements = new ArrayList<String>();



  //TODO: remove this one after all rules get their short comments in place

  public RuleMatch(Rule rule, int fromPos, int toPos, String message) {

    this(rule, fromPos, toPos, message, null, false);

  }

  

  // TODO: remove this constructor?

  public RuleMatch(Rule rule, int fromPos, int toPos, String message, String shortMessage) {

    this(rule, fromPos, toPos, message, shortMessage, false);

  }



  /**

   * Creates a RuleMatch object, taking the rule that triggered

   * this match, position of the match and an explanation message.

   * This message is scanned for <suggestion>...</suggestion>

   * to get suggested fixes for the problem detected by this rule. 

   * 

   * @param shortMessage used in OpenOffice/LibreOffice's context menu

   * @param startWithUppercase whether the original text at the position

   *    of the match start with an uppercase character

   */

  public RuleMatch(Rule rule, int fromPos, int toPos, String message, String shortMessage, 

      boolean startWithUppercase) {

    this.rule = rule;

    this.fromPos = fromPos;

    this.toPos = toPos;

    this.message = message;

    this.shortMessage = shortMessage;

    // extract suggestion from <suggestion>...</suggestion> in message:

    final Matcher matcher = SUGGESTION_PATTERN.matcher(message);

    int pos = 0;

    while (matcher.find(pos)) {

      pos = matcher.end();

      String replacement = matcher.group(1);

      if (startWithUppercase) {

        replacement = StringTools.uppercaseFirstChar(replacement);

      }

      suggestedReplacements.add(replacement);

    }

  }