code: public void setFontFamilyNames(final String[] fontFamilyNames) {
          if (fontFamilyNames != null) {
              this.fontFamilyNames = StringUtil.cloneArray(fontFamilyNames);
              cssValue = getBuiltCssValue(this.fontFamilyNames);
          } else {
              this.fontFamilyNames = null;
              cssValue = INITIAL;
          }
          if (getStateChangeInformer() != null) {
              getStateChangeInformer().stateChanged(this);
          }
      }
docs: <pre>
  Eg:-
  String[] fontFamilyNames = {"Times New Roman", "Georgia", GenericFontFamilyNameContants.SERIF};
  
  </pre>
  
  @param fontFamilyNames
  the fontFamilyNames to set
  @author WFF
  @since 1.0.0