Answer / vikas

/*Program to add two object using operator overloading */
/* vikas */

#include<iostream.h>
#include<string.h>
#include<stdio.h>
#include<conio.h>



class Stadd
{
private:
char p[20];
public:

void set(char *k)
{
strcpy(p,k);
}
Stadd operator+(Stadd c)
{
Stadd l;
strcpy(l.p,p);
strcat(l.p,c.p);
return l;
}
void display()
{
cout<<"The string is = "<<p;
}
};

void main()
{
char m[]="vikas";
char n[]="kumar";
Stadd ws,wt,wu;
ws.set(m);
wt.set(n);
wu=ws+wt;
wu.display();
getch();
}

Answer / raj

Create a class called 'time' that has three integer data
members for hours, minutes and seconds, define a member
function to read the values, member operator function to add
time, member function to display time in HH:MM:SS format.
Write a main function to create two time objects, use
operator function to add them and display the results in
HH:MM:SS format.


#include<iostream.h>
#include<conio.h>
#include<iomanip.h>
class time
{
int h,m,s;
public:
void read();
void print();
time operator+(time t2);
};
void time::read()
{
cout<<"\nEnter hour,minutes and seconds\n";
cin>>h>>m>>s;
}
void time::print()
{
cout<<"\nTime is-> "<<setfill('0')<<setw(2)<<h;
cout<<":"<<setfill('0')<<setw(2)<<m;
cout<<":"<<setfill('0')<<setw(2)<<s<<endl;
}
time time::operator+(time t2)
{
time t;
t.h=h+t2.h;
t.m=m+t2.m;
t.s=s+t2.s;
return t;
}
void main()
{
clrscr();
time t1,t2,t3;
t1.read();
t1.print();
t2.read();
t2.print();
t3=t1+t2;
cout<<"\nTime1+ Time2:\n";
t3.print();
getch();
}

This link may help

http://programscpp.blogspot.in/2012/08/operator-overloading-adding-two-time.html

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