We have to take two strings.

Problem statement:

We have to take two strings. Then we have to compare them- if they are same we will print “They are same”; else we have to concatenate the second string with the first one.

Class Diagram:

Class string

Private:      Char a[25],b[25];

Public:      Input()      compare()

Solution:

#include<iostream.h>                  #include<stdio.h>                     #include<conio.h>                     #include<string.h> class string{                //declare a class private: char a[25],b[25]; public: void input(){                      //input string cout<<"enter string:"<<'\n'; gets(a); cout<<"enter string:"<<'\n'; gets(b); }                                          void compare(){                    //compare string if(strcmp(a,b)==0) cout<<"both are same"; else{ strcat(a,b); puts(a);}                                          } }; void main(){ clrscr(); string c; c.input(); c.compare(); getch(); }

I was unable to solve the program using operator overloading, so I used a simple member function compare(). In this way I solved this problem.