根据Subject对象中的site对象的nick属性和自己的nick属性排序(按中文排序):
List<Subject> subjects = new ArrayList<Subject>(); Collections.sort(subjects, new Comparator<Subject>() { private int result = 0; @Override public int compare(Subject o1, Subject o2) { //先根据站点排序,再根据频道排序 result = Collator.getInstance(java.util.Locale.CHINA).compare( o1.getSite().getNick(), o2.getSite().getNick()); if (result == 0) { return Collator.getInstance(java.util.Locale.CHINA).compare(o1.getNick(), o2.getNick()); } else { return result; } } });