C++ program to overload Equality Operator (==)

//to check two strings for equality
//by member function

#include <iostream>
#include <string.h>
using namespace std;
class String
{
    // char *str;
    char str[20];
    public:
        // String()
        // {
        // str=new char[20];
        // cout<<"Memory dynamically assigned:"<<endl;
        // }
        void read()
        {
            cout<<"Enter string: ";
            //cin.get(str,20,'\n');
            cin>>str;
        }
        bool operator==(String s) //member function
        {
            return ((strcmp(str,s.str)==0)?true:false);
        }
};
int main()
{
    String s1,s2;
    s1.read();
    s2.read();
    if(s1==s2) //same as s1.operator==(s2);
        cout<<"the s1 is equal to s2.";
    else
        cout<<"the s1 is not equal to s2.";
    return 0;
}