Overloading Dev c++
#include<iostream> #include<ostream> #include<fstream> #include<conio.h> using namespace std; class alpro{ friend ostream& operator << (ostream&, const alpro&); friend istream& operator >>(istream&, alpro&); public: //methids atau fungsi private: int m,a; int F; //berisi data data }; istream& operator>>(istream& in, alpro& al){ cout<<"Program menghitung F=m * a\n"; cout<<"masukan nilai m ="; in>>al.m; cout<<"Masukkan nilai a= "; in>>al.a; al.F=al.m*al.a; return in; } ostream& operator<<(ostream& keluar, const alpro& al){ keluar<<"F= "; keluar<<al.m; keluar<<" X "; keluar<<al.a; keluar<<" : "<<al.F; } class balok{ friend ostream& operator<<(ostream&, const balok&); friend istream& operato...