在派生类的构造函数中调用基类的构造函数

// Ex9_03.cpp // Calling a base constructor from a derived class constructor #include <iostream> // For stream I/O #include "CandyBox.h" // For CBox and CCandyBox using std::cout; using std::endl; int main() { CBox myBox(4.0, 3.0, 2.0); CCandyBox myCandyBox; //调用构造函数1 CCandyBox myMintBox(1.0, 2.0, 3.0, "Wafer Thin Mints"); //调用构造函数2 // CCandyBox myMintBox( "Wafer Thin Mints"); 调用构造函数1 cout << endl << "myBox occupies " << sizeof myBox // 输出对象占用的内存 << " bytes" << endl << "myCandyBox occupies " << sizeof myCandyBox << " bytes" << endl << "myMintBox occupies " << sizeof myMintBox << " bytes"; cout << endl << "myMintBox volume is " // 得到CCandyBox对象的体积 << myMintBox.Volume(); cout << endl; return 0; }