PRAKTIKUM SDATA 3 , rabu jam 09.00

#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;
// protected:
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;
}



“Bil_char.h”



#include <cstdlib>
#include <iostream>
#include “bilangan.h”

using namespace std;

class Bil_char : public Bilangan{
friend ostream& operator << (ostream&, const Bil_char&);
public:
Bil_char(int a0=0, int b0=0, char ch=’x') : Bilangan(a0,b0), c(ch){}
private:
char c;
};

ostream& operator << (ostream& out, const Bil_char& x){
out << “Bagian integer : ” << x.a << endl;
out << “Bagian float : ” << x.b << endl;
out << “Bagian char : ” << x.c << endl;
return out;
}



“Turunan.cpp”



#include <cstdlib>
#include <iostream>
#include “bil_char.h”

using namespace std;

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;
Bil_char ss;
cout << “Nilai awal ss\n” << ss;
system(“PAUSE”);
return EXIT_SUCCESS;
}

Posted in: struktur data