code: public static systemsession[] get(nitro_service service, Long sid[]) throws Exception{
  		if (sid !=null && sid.length>0) {
  			systemsession response[] = new systemsession[sid.length];
  			systemsession obj[] = new systemsession[sid.length];
  			for (int i=0;i<sid.length;i++) {
  				obj[i] = new systemsession();
  				obj[i].set_sid(sid[i]);
  				response[i] = (systemsession) obj[i].get_resource(service);
  			}
  			return response;
  		}
  		return null;
  	}
docs: Use this API to fetch systemsession resources of given names .