MPP Question

继承换成组合

http://www.cnblogs.com/loulijun/archive/2012/03/04/2379082.html

 

http://blog.sina.com.cn/s/blog_628e5ca30100fng1.html

 

Java 继承与组合的区别

http://xifangyuhui.iteye.com/blog/819498

 

 

面向对象之继承和组合浅谈

http://www.cnblogs.com/whitewolf/archive/2010/05/03/1726519.html