W3School TIY Editor

#include <iostream> #include <string> using namespace std; class Car { public: string brand; string model; Car() { brand = "Unknown"; model = "Unknown"; } Car(string b, string m) { brand = b; model = m; } }; int main() { Car car1; Car car2("BMW", "X5"); Car car3("Ford", "Mustang"); cout << "汽车1：" << car1.brand << " " << car1.model << "\n"; cout << "汽车2：" << car2.brand << " " << car2.model << "\n"; cout << "汽车3：" << car3.brand << " " << car3.model; return 0; }