//PARAMETERIZED CONSTRUCTORS
/*It may be necessary to initialize the various data elements of different
objects with different values when they are created*/
//constructors that can take arguments are called parameterized constructors
#include
#include
class integer
{
int m,n;
public:
integer(int,int);//constructor declared
void display(void)
{
cout<<"m="<
cout<<"n="<
}
};
integer::integer(int x,int y)
{
m=x;
n=y;
}
int main()
{
integer int1(0,100);//implicit call
integer int2=integer(25,75);//explicit call
clrscr();
cout<<"\nObject1"<<"\n";
int1.display();
cout<<"\nObject2"<<"\n";
int2.display();
getch();
}
//OVERLOADED CONSTRUCTORS OR MULTIPLE CONSTRUCTORS IN A CLASS
#include
#include
class complex
{
float x,y;
public:
complex()
{
}
complex(float a)
{
x=y=a;
}
complex(float real,float imag)
{
x=real;
y=imag;
}
friend complex sum(complex,complex);
friend void show(complex);
};
complex sum(complex c1,complex c2)
{
complex c3;
c3.x=c1.x+c2.x;
c3.y=c1.y+c2.y;
return(c3);
}
void show(complex c)
{
cout<
}
int main()
{
complex a(2.7,3.5);
complex b(1.6);
complex c;
clrscr();
c=sum(a,b);
cout<<"a=";
show(a);
cout<<"b=";
show(b);
cout<<"c=";
show(c);
getch();
}
