Java list排序实现

List<Integer> list = new ArrayList<Integer>();
		list.add(1);
		list.add(10);
		list.add(2);
		list.iterator();

		Collections.sort(list, new Comparator<Integer>() {
			@Override
			public int compare(Integer o1, Integer o2) {
				// TODO Auto-generated method stub
				return o1 - o2;
			}
		});
		System.out.println(list);