一：工具类
List<Device> deviceList = deviceAction.listDevices(qc);
SortListUtil<Device> sortList = new SortListUtil<Device>();
sortList.Sort(deviceList, "getIsConnect", "desc");
for(Device s: deviceList){
System.out.println(s.getRegistrationId()+","+s.getIsConnect());
}
原文：http://blog.csdn.net/u013628152/article/details/44172831