Classes in C++

class Rectangle {
int width, height;
public:
void set_values (int,int);
int area() {return width*height;}
};

void Rectangle::set_values (int x, int y) {
width = x;
height = y;
}

int main () {
Rectangle rect;
rect.set_values (3,4);
cout << "area: " << rect.area(); return 0; }

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