stringBuffer的用法
public static void main(String[] args){ String[] strings = { "a", "b", "c", "d" }; StringBuffer stringBuffer = new StringBuffer(); for (String string : strings){ stringBuffer.append(string); } System.out.println(stringBuffer.toString()); }
http://blog.csdn.net/wusuopubupt/article/details/8817826 一些标记如大于小于
http://blog.csdn.net/tingzhiyi/article/details/52059353 分解质因数
http://zhidao.baidu.com/link?url=qdxaOFRKmlyd-AuRCqD-OWmGHqkuHM2xG11snJ0GQ6oRZzzyMoFGy7NOUJCZ7KJ-IeaqcKZtou8KgrQgRnDLO_
水仙花