c++简单的虚函数测试
??执行结果?========== use pointer =============B::fun()A::test()A::test2()B::fun2()??========== use object =============B::test1()A::test()A::test2()B::fun2()
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执行结果
========== use pointer =============
B::fun()
A::test()
A::test2()
B::fun2()
========== use object =============
B::test1()