PROGRAM (2)
#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
class CRectangle {
int x, y;
public:
void set_values (int,int);
int area (void) {return (x*y);}
};
void CRectangle::set_values (int a, int b) {
x = a;
y = b;
}
int main(int argc, char** argv) {
CRectangle rect, rectb;
int w,x,y,z;
cout<<"Panjang area rect = ";cin>>w;
cout<<"Lebar area rect = ";cin>>x;
cout<<endl;
cout<<"Panjang area rectb = ";cin>>y;
cout<<"Lebar area rectb = ";cin>>z;
cout<<endl;
rect.set_values (w,x);
rectb.set_values (y,z);
cout << "Luas Persegi Panjang Rect: " << rect.area() << endl;
cout << "Luas Persegi Panjang Rectb: " << rectb.area() << endl;
return 0;
}

PROGRAM (1)

#include <iostream>
using namespace std;
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
class CRectangle {
float x, y;
public:
void set_values (float,float);
float area (void) {return (x*y);}
};
void CRectangle::set_values (float a, float b) {
x = a;
y = b;
}
int main(int argc, char** argv) {
CRectangle rect;
float x,y;
cout<<"MENCARI LUAS PERSEGI PANJANG";
cout<<endl<<endl;
cout<<"Panjang area = ";cin>>x;
cout<<endl;
cout<<"Lebar area   = ";cin>>y;
cout<<endl;
rect.set_values (x,y);
cout <<"LUAS PERSEGI PANJANG    = "<< rect.area();


return 0;
}