virtaul function
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by hitech
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Published on 2010-03-18T00:49:53Z
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2010/03/18
0:51 UTC
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c++
class a { virtual void foo(void) ; };
class b : public a { public: virtual void foo(void) { cout<< "class b"; } };
int main ( ) { class a *b_ptr = new b ; b_ptr->foo(); }
please guide me why the b_ptr->foo() will not call the foo() function of the class b?
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