);
    if (parts.length &lt; 2) {
      return false;
    }

    // First part is a number.
    try {
      Integer.parseInt(parts[0]);
    } catch (NumberFormatException e) {
      return false;
    }

    // The remaining parts form the street name.
    return true;
  }

  /**
   * An instance of the constants.
   */
  private final CwConstants constants;

  /**
   * Initialize this example.
   */
  @Override
  public Widget onInitialize() {
    // Create a table.
    final CellTable&lt;ContactInfo&gt; ta