#include<iostream.h> #include<string.h> #include<conio.h> //------------------------------ string -------------------------------// class string { private: char str[80]; public: string() { strcpy(str,\"ttt\"); } string(char s[]) { strcpy(str,s); } void display() { cout<<str<<endl; } string operator+(string ); }; //-------------------------- operator+(string) ------------------------// string string::operator+(string ss) { string temp; if(strlen(str)+strlen(ss.str)<80) { strcpy(temp.str,str); strcat(temp.str,ss.str); } else { cout<<\"string overflow\"<<endl; temp=0; } return temp; } main() { clrscr(); string s1(\" Best Wishes\"); string s2(\" Happy New Year\"); string s3; s1.display(); s2.display(); s3=s1+s2; s3.display(); getch(); return 0; }