// pgm31
// using the C++ string class
// 11/21/2016

#include <iostream>
#include <iomanip>
#include <fstream>
#include <cstdlib>
#include <string>
using namespace std;

int main()
{

    string text;
    int i;
    // read in using input stream operator >>
    cout << "Enter a string: ";
    cin >> text;
    // print to screen using <<
    cout << "text is now: " << text << endl;

    //text[0]='A';
    // change ith location using subscripting
    cout << "which location do you want to change? ";
    cin >> i;
    text[i]='*';
    cout << "now text is: " << text << endl;

    string newstring;
    newstring = text;  //assignment
    cout << "newstring is: " << newstring << endl;

    // take the length of newstring
    cout << "the length of " << newstring << " is " <<
             newstring.length() << endl;
    // can put return value of length function into a var
    int len;
    len = text.length();
    cout << "length of " << text << " is " << len << endl;

    text.clear();
     // take the length of newstring
    cout << "the length of " << newstring << " is " <<
             newstring.length() << endl;

    len = text.length();
    cout << "length of " << text << " is " << len << endl;

    return 0;
}