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first hint of object oriented programming

/*******************************************************
*     MYCPLUS Sample Code - http://www.mycplus.com     *
*                                                     *
*   This code is made available as a service to our   *
*      visitors and is provided strictly for the      *
*               purpose of illustration.              *
*                                                     *
* Please direct all inquiries to saqib at mycplus.com *
*******************************************************/

#include 
#include 


main()
{
int index;
float distance;
char letter;
char name[25];


   index = -23;
   distance = 12.345;
   letter = 'X';
   strcpy(name,"John Doe");


   cout << "The value of index is "    << index    << "\n";
   cout << "The value of distance is " << distance << "\n";
   cout << "The value of letter is "   << letter   << "\n";
   cout << "The value of name is "     << name     << "\n";


   index = 31;
   cout << "The decimal value of index is " << dec << index << "\n";
   cout << "The octal value of index is " << oct << index << "\n";
   cout << "The hex value of index is " << hex << index << "\n";
   cout << "The character letter is " << (char)letter << "\n";


   cout << "Input a decimal value --> ";
   cin  >> index;
   cout << "The hex value of the input is " << index << "\n";
}

// Result of execution
//
// The value of index is -23
// The value of distance is 12.345
// The value of letter is X
// The value of name is John Doe
// The decimal value of index is   31
// The octal value of index is   37
// The hex value of index is   1f
// The character letter is X
// Input a decimal value --> 999
// The hex value of the input is 3e7

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