code: public base_response enable_features(String[] features) throws Exception
  	{
  		base_response result = null;
  		nsfeature resource = new nsfeature();
  		resource.set_feature(features);
  		options option = new options();
  		option.set_action("enable");
  		result = resource.perform_operation(this, option);
  		return result;
  	}
docs: Use this API to enable the feature on Netscaler.
  @param feature feature to be enabled.
  @return status of the operation performed.
  @throws Exception Nitro exception.