JDK8 list对象循环

 // JDK8 之前

      for (FlightOrderTicket flightOrderTicket : tickets) {
            	   names.append(flightOrderTicket.getName()).append(",");
			  }

// JDK 8  

tickets.subList(0, tickets.size()).forEach(a -> {
			names.append(a.getName()).append(",");
		});