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#includeusing namespace std; int main() { int i1=1; double d1=3.21; cout<<"int->"< "< using namespace std; class person { public: void Display() { cout<<"name: "<<_name< using namespace std; class person { public: void Display() { cout<<"name: "<<_name< using namespace std; class Date { public : Date(int year,int month,int day) { cout<<"构造函数"< using namespace std; class Date { public : Date(int year,int month,int day) { cout<<"构造函数"< using namespace std; class Date { public : Date(int year,int month,int day); Date(const Date& d) { cout<<"拷贝构造函数"< using namespace std; class Arr { public: Arr(size_t size) { _prt=(int*)malloc(sizeof(int)*size); } ~Arr() { free(_prt); } private: int* _prt; }; int main() { Arr(20); system("pause"); return 0; } 复数类 #include using namespace std; class Complex { public : Complex(double real=0,double p_w_picpath=0) { cout<<"Complex (double real=0,double p_w_picpath=0)"< _real=d._real; this->_p_w_picpath=d._p_w_picpath; } return *this; } void Display() { cout<<"Real:"<<_real<<"--Image:"<<_p_w_picpath<
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