java排序

// 对数据进行大小排序、大-->小
private static List<Map<String, String>> sortData(List<Map<String, String>> list) {
	System.out.println("进行排序");
	if (Validator.isNotNull(list)) {
		Comparator<Map<String, String>> mapComprator = new Comparator<Map<String, String>>() {
			@Override
			public int compare(Map<String, String> o1,
					Map<String, String> o2) {
				// do compare.
				if (Integer.valueOf(o1.get("count").toString()) < Integer
						.valueOf(o2.get("count").toString())) {
					return 1;
				} else {
					return -1;
				}
			}
		};
		Collections.sort(list, mapComprator);
	} else {
		new Exception("排序没有取到数据");
	}
	return list;
}