Contoh Program Overloading

#include "iostream.h"

#include "conio.h"

#include "iomanip.h"

#include "stdlib.h"

const int Max=10;

class ang

{

                private:

int baris;

int kolom;

float data[Max][Max];

                public:

ang();

void input();

void output();

ang operator + (ang);

ang operator - (ang);

ang operator * (ang);

};

ang::ang()

{

baris=0;

kolom=0;

int a,s;

for(a=0;a<Max; a++)

for(s=0;s<Max; s++)

data[a][s]=0;

}

void ang::input()

{

int a,s;

do

{

cout<<"Masukkan Data ! :"<<endl;

cout<<"Jumlah Baris : ";

cin>>baris;

} while (baris>Max);

do

{

cout<<"Jumlah Kolom : ";

cin>>kolom;

} while (kolom>Max);

for(a=0; a<baris; a++)

for(s=0; s<kolom; s++)

{

cout<<"Data ["<<a+1<<","<<s+1<<"] = ";

cin>>data[a][s];

}

}

void ang::output()

{

int q,w;

for(q=0;q<baris;q++)

{

for(w=0;w<kolom;w++)

cout<<setw(8)<<data[q][w];

cout<<endl;

}}

ang ang::operator + (ang m2)

{

int z,x;

ang hasil;

hasil.baris=baris;

hasil.kolom=kolom;

for(z=0;z<baris;z++)

for(x=0;x<baris;x++)

hasil.data[z][x]=data[z][x] + m2.data[z][x];

return(hasil);

}

ang ang::operator - (ang m2)

{

int z,x;

ang hasil;

hasil.baris=baris;

hasil.kolom=kolom;

for(z=0;z<baris;z++)

for(x=0;x<baris;x++)

hasil.data[z][x]=data[z][x] - m2.data[z][x];

return(hasil);

                                                  }

ang ang::operator * (ang m2)

{

int z,x;

ang hasil;

hasil.baris=baris;

hasil.kolom=kolom;

for(z=0;z<baris;z++)

for(x=0;x<baris;x++)

hasil.data[z][x]=(data[z][x] * m2.data[z][x])+(data[z][x] * m2.data[z][x]);

return(hasil);

}

void main()

{

cout<<"=> PROGRAM MATRIKS <="<<endl;

ang ang1;

cout<<"\n>>>>>Matriks A  "<<endl;

ang1.input();

ang ang2;

cout<<"\n>>>>>Matriks B : "<<endl;

ang2.input();

clrscr();

cout<<"                Matriks A \n"<<endl;

ang1.output();

cout<<endl;

cout<<"                Matriks B \n"<<endl;

ang2.output();

cout<<endl;

ang ang3;

ang3 = ang1 + ang2;

cout<<"\nHASIL PENJUMLAHAN : "<<endl;

ang3.output();

ang3 = ang1 - ang2;

cout<<"\nHASIL PENGURANGAN : "<<endl;

ang3.output();

ang3 = ang1 * ang2;

cout<<"\nHASIL PERKALIAN : "<<endl;

ang3.output();

}