[求助]到底什么是抽象类啊?
在书上看,把有构造或者折构函数做为PRAVATE的基类叫抽象类,又把有至少有一个纯虚函数的叫抽象类,还有把只作为基类的类叫抽象类.到底什么才是啊?At the programming language level, an ABC is a class that has one or more pure virtual member functions. You cannot make an object (instance) of an ABC.
[此贴子已经被作者于2007-10-6 13:26:13编辑过]