Define String class use Overload = = operator to compare two string. use + operator to concate two string. use = operator to copy one string to another string., C++ program

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Subject Name	C++
Program Name	String Class Overload
Program Description	Define String class use Overload = = operator to compare two string. use + operator to concate two string. use = operator to copy one string to another string.



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Program Code
/* Define String class use Overload = = operator to compare two string. use + operator to concate two string. use = operator to copy one string to another string. / #include<iostream.h> #include<conio.h> #include<string.h> class String { char st[20]; public: String() { } String(char nm[]) { strcpy(st,nm); } int operator==(String t1) { if(strcmp(st,t1.st)==0) { return 1; } else { return 0; } } friend String operator+(String t1,String t2) { String t3; strcpy(t3.st,t1.st); strcat(t3.st,t2.st); return t3; } void operator=(String t1) { strcpy(st,t1.st); } void putData() { cout<< st <<"\n"; } }; int main() { clrscr(); String s1("Piyush "),s2("Shah"),s3,s4; if(s1==s2) //OVERLOAD == OPERATOR { cout<<"\nEqual\n"; } else { cout<<"\nNot Equal\n"; } s3=s1+s2; //OVERLOAD + OPERATOR s3.putData(); s4=s1; //OVERLOAD = OPERATOR s4.putData(); getch(); return 0; } /OUTPUT: */


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To Run C++ Program 1. #include<iostream.h> change to #include<iostream> 2. #include<math.h> change to #include<cmath>; 3. #include<string.h> change to #include<cstring>; 4. Add line using namespace std; These all(1 to 4) will be done automatically..., So don't worry.

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