#include #include //#include using namespace std; class Tabungan { private: long nomor_rekening; long saldo; public: Tabungan(); friend ostream &operator << (ostream &stream, Tabungan tab); // overloaded stream insertion operator << is written as friend at global scope // overloaded stream extraction operator >> is written as friend at global scope friend istream &operator >> (istream &stream, Tabungan &tab); }; int main() { Tabungan tab; // instantiate object tab of class Tabungan\ // overloaded stream extraction operator >> enable cin object // to be used with user composed datatype Tab of type Tabungan cin >> tab; // actually no c++ basic data type of type int, long, char, string // to where tab can be included, because it is user data type or composition data type // consist of two private data type long nomor_rekening and long saldo cout << tab; // istringstream later you can see the similarities of istringstream and ostringtream // object with the overloading of stream insertion and extraction operator return 0; } Tabungan::Tabungan() : nomor_rekening(0), saldo(0) { //EMPTY BODY CONSTRUCTOR } istream &operator >> (istream &stream, Tabungan &tab) { cout << "Nomor rekening: "; stream >> tab.nomor_rekening; cout << "Jumlah setoran awal: "; stream >> tab.saldo; return(stream); } ostream &operator << (ostream &stream, Tabungan tab) { // long jumlah_setoran; stream << "\nINFORMASI REKENING TABUNGAN NASABAH" <

overloadingstreamextractionandinsertionoperator