java的clone()方法和Java Serializable复制新对象，而不影响原来对象

http://blog.csdn.net/chenssy/article/details/12952063

http://blog.csdn.net/zhangjg_blog/article/details/18369201

http://www.cnblogs.com/carbs/archive/2012/06/26/2564373.html

http://www.cnblogs.com/o-andy-o/archive/2012/04/06/2434904.html