Program of cascading:
class vector{
private :
int v[3];
public:
friend istream & operator >> (istream & ,vector &);//overloading the
//insertion operator
// for the vector type object
friend ostream & operator << (ostream & ,vector &);
friend vector operator * (vector,int);
friend vector operator * (int ,vector);
void show();
}; // class termination
istream & operator >>(istream &din ,vector & b )
{
for( int i=0;i<3;i++)
cout<<"enter "< din >> b.v[i]; } return din;//for cascading } ostream & operator <<(ostream &dout ,vector & b ) { for( int i=0;i<3;i++) { dout << b.v[i]<<"\n"; } return dout; //for cascading } vector operator *(vector a,int b)//function overloading { vector c; for(int i=0;i<3;i++) c.v[i]=b*a.v[i]; return c; } vector operator *(int a,vector b) { vector c; for(int i=0;i<3;i++) c.v[i]=a*b.v[i]; return c; } void vector ::show() { for (int i=0;i<3;i++) cout << "\n"< } void main() { vector a,b,c; clrscr(); cin>>b;//calling function cin is 1st argument and b other cout << b; a=b*10; c=20*b; /* b.show(); a.show(); c.show();*/ cout< cout< getch(); }
din >> b.v[i];
}
return din;//for cascading
ostream & operator <<(ostream &dout ,vector & b )
dout << b.v[i]<<"\n";
return dout; //for cascading
vector operator *(vector a,int b)//function overloading
{ vector c;
for(int i=0;i<3;i++)
c.v[i]=b*a.v[i];
return c;
vector operator *(int a,vector b)
vector c;
c.v[i]=a*b.v[i];
void vector ::show()
for (int i=0;i<3;i++)
cout << "\n"< } void main() { vector a,b,c; clrscr(); cin>>b;//calling function cin is 1st argument and b other cout << b; a=b*10; c=20*b; /* b.show(); a.show(); c.show();*/ cout< cout< getch(); }
void main()
vector a,b,c;
clrscr();
cin>>b;//calling function cin is 1st argument and b other
cout << b;
a=b*10;
c=20*b;
/* b.show();
a.show();
c.show();*/
cout< cout< getch(); }
cout< getch(); }
getch();