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下面程序的运行结果是()。includeusing namespace std;class A{public: virtual~A() {
下面程序的运行结果是( )。 #include<iostream> using namespace std; class A { public: virtual~A() { cout<<"call A::~A()"<<endl;} }; class B:public A { char * p; public: B(int i) { p=new char[i];} ~B() { delete(p); cout<<"call B::~B()"; } }; void main() { A * a=new B(8); delete a; }
A.call B::~B()call A::~A()
B.call B::~B()
C.call A::~A()
D.call A::~A()call B::~B()
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更多 “ 下面程序的运行结果是()。includeusing namespace std;class A{public: virtual~A() { 下面程序的运行结果是( )。 #include<iostream> using namespace std; class A { public: virtual~A() { cout<<"call A::~A()"<<endl;} }; class B:public A { char * p; public: B(int i) { p=new char[i];} ~B() { delete(p); cout<<"call B::~B()"; } }; void main() { A * a=new B(8); delete a; }A.call B::~B()call A::~A()B.call B::~B()C.call A::~A()D.call A::~A()call B::~B() ” 相关考题
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