code: public XML addClass(Class<?> aClass,Attribute[] attributes){
  		
  		checksClassAbsence(aClass);
  		
  		XmlClass xmlClass = new XmlClass();
  		xmlClass.name = aClass.getName();
  		xmlClass.attributes = new ArrayList<XmlAttribute>();
  		xmlJmapper.classes.add(xmlClass);
  		
  		addAttributes(aClass, attributes);
  		
  		return this;
  	}
docs: This method adds aClass with the attributes given as input to XML configuration file.<br>
  It's mandatory define at least one attribute.
  @param aClass Class to adds
  @param attributes attributes of Class
  @return this instance