// example: class constructor
#include <iostream>
using namespace std;
class Rectangle {
int width, height;
public:
Rectangle (int,int);
int area () {return (width*height);}
};
Rectangle::Rectangle (int a, int b) {
width = a;
height = b;
}
int main () {
Rectangle rect (3,4);
Rectangle rectb (5,6);
cout << "rect area: " << rect.area() << endl;
cout << "rectb area: " << rectb.area() << endl;
return 0;
}
转载于:https://www.cnblogs.com/bhlsheji/p/5253950.html
