对象根据字段排序

import java.util.Comparator;

import com.slark.entity.THotelBranch;

public class ComparatorUtils implements Comparator<THotelBranch>{

    @Override

    public int compare(THotelBranch hotel1, THotelBranch hotel2) {

        return hotel1.getCreateTime().compareTo(hotel2.getCreateTime());

    }

}

ComparatorUtils comparator = new ComparatorUtils();

 Collections.sort(hotelBranchs, comparator);