[轉]C#中的多态

http://www.cnblogs.com/luck0235/archive/2009/08/10/1543156.html

http://www.cnblogs.com/ninetynine/archive/2007/09/06/884998.html

Java
http://www.cnblogs.com/cy163/archive/2009/07/26/1531491.html

http://www.cnblogs.com/camying/archive/2009/07/23/1529079.html