PROGRAM:
#include<iostream.h>
#include<conio.h>
using namespace std;
class Bilangan {
friend ostream& operator<<(ostream&, const Bilangan&);
friend istream& operator>>(istream&, Bilangan&);
public :
Bilangan(int a0=0, float b0=0.0) : a(a0), b(b0) { }
void banding_int(const Bilangan&, const Bilangan&);
Bilangan& operator=(const Bilangan&);
Bilangan operator+(const Bilangan&) const;
Bilangan operator-()const;
private:
int a;
float b;
};
ostream& operator<<(ostream& out, const Bilangan& x)
{ out << "Bagian integer : " << x.a << endl;
out << "Bagian float : " << x.b << endl;
return out;
}
void Bilangan::banding_int(const Bilangan& x, const Bilangan& y)
{
if (x.a > y.a) cout << x.a << "::x lebih besar dari " << y.a << "::y";
else cout << x.a << "::x lebih kecil dari " << y.a << "::y";
}
Bilangan& Bilangan::operator=(const Bilangan& x)
{ a = x.a;
b = x.b;
return *this;
}
istream& operator>>(istream& in, Bilangan& x)
{
cout <<"\nMasukkan bagian integer : ";
in >> x.a;
cout <<"Masukkan bagian float : ";
in >> x.b;
return in;
}
Bilangan Bilangan::operator+(const Bilangan& x) const
{ Bilangan cc;
cc.a = a + x.a;
cc.b = b + x.b;
return cc;
}
Bilangan Bilangan::operator-() const
{ Bilangan x;
x.a = -a;
x.b = -b;
return x;
}
int main() {
Bilangan s, t(-2,3.14), d;
cout << "Nilai awal s\n" << s;// operator biner << output
cout << "Nilai awal t dari deklarasi\n" << t;
s = t;// operator biner =
cout << "Setelah s di-assign t\n";
cout << "Nilai s\n" << s;
cout << "Masukkan nilai-nilai objek d";
cin >> d;// operator >> input
cout << "Setelah d + t => \n" << d+t;// operator biner +
cout << "Nilai d dinegatifkan\n" << -d;// operator uner -
getch();
}
OUTPUT:selamat mencobanya... :)
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