C++ Program to Concatenate String using Plus Operator Overloading

Program 1

// + Operator overloading for string concat

#include<iostream>
#include<string.h>
using namespace std;
class MyString
{
    char str[100];
    public:
    MyString(char str[])
    {
        strcpy(this->str,str); 
    }
    MyString()
    {}
    void display()
    {
        cout<<this->str;
    }
    MyString operator+(MyString K);
};
MyString MyString ::operator+(MyString K)
{
     MyString temp;
     strcpy(temp.str,this->str);
     strcat(temp.str,K.str);
     return temp;   
}

int main()
{
     system("cls");
    MyString M1("Hello Friends ");
    MyString M2(" Dataflair  CPP Course");
    MyString M3;
    M3=M1+M2;   // M3=M1.operator+(M2)
    M3.display();

     return 0;
}