//这里将map.entrySet()转换成list List<Map.Entry<String,String>> list = new ArrayList<Map.Entry<String,String>>(tm.entrySet()); //然后通过比较器来实现排序 Collections.sort(list,new Comparator<Map.Entry<String,String>>() { //降序排序 @Override public int compare(Entry<String, String> o1,...