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Praktikum Sdata 1

September 28, 2010

#include <cstdlib>
#include <iostream>

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(int argc, char *argv[])
{
Bilangan s, t(-2,3.14), d;
cout << “Nilai awal s\n” << s;
cout << “Nilai awal t dari deklarasi\n” << t;
s = t;
cout << “Setelah s di-assign t\n”;
cout << “Nilai s\n” << s;
cout << “Masukkan nilai-nilai objek d”;
cin >> d;
cout << “Setelah d + t => \n” << d+t;
cout << “Nilai d dinegatifkan\n” << -d;

system(“PAUSE”);
return EXIT_SUCCESS;
}



a. class       : class Bilangan{
b. konstruktor : Bilangan(int a0=0, float b0=0.0) : a(a0), b(b0) { }
c. method      : void banding_int(const Bilangan&, const Bilangan&);
void Bilangan::banding_int(const Bilangan& x, const Bilangan& y)
d. data member : int a;
float b;
e. operator overloading : friend ostream& operator<<(ostream&, const Bilangan&);
friend istream& operator>>(istream&, Bilangan&);
ostream& operator<<(ostream& out, const Bilangan& x){
istream& operator>>(istream& in, Bilangan& x)

selamat mencobanya…………..

terima kasih

From → struktur data

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