[b]UML类图与类的关系详解[/b]
转自:[url]http://www.uml.org.cn/oobject/201104212.asp[/url]
转自:[url]http://www.open-open.com/lib/view/open1328059700311.html[/url]
转自:[url]http://www.uml.org.cn/oobject/201104212.asp[/url]
转自:[url]http://www.open-open.com/lib/view/open1328059700311.html[/url]