C++ Class Definition Create card object for card game

#include <iostream>
using namespace std;
const int jack = 11;          //from 2 to 10 are
const int queen = 12;         //integers without names
const int king = 13;
const int ace = 14;
enum Suit { clubs, diamonds, hearts, spades };
class card/*  w  w w .ja  va  2 s  .co m*/
{
   private:
   int number;             //2 to 10, jack, queen, king, ace
   Suit suit;              //clubs, diamonds, hearts, spades
   public:
   card (){}
   card (int n, Suit s) : number(n), suit(s){}
   void display();         //display card
   bool isEqual(card);     //same as another card?
};
void card::display()          //display the card
{
   if( number >= 2 && number <= 10 )
      cout << number << " of ";
   else
      switch(number)
      {
         case jack:  cout << "jack of ";  break;
         case queen: cout << "queen of "; break;
         case king:  cout << "king of ";  break;
         case ace:   cout << "ace of ";   break;
      }
   switch(suit)
   {
         case clubs:    cout << "clubs"; break;
         case diamonds: cout << "diamonds"; break;
         case hearts:   cout << "hearts"; break;
         case spades:   cout << "spades"; break;
   }
}
bool card::isEqual(card c2)       //return true if cards equal
{
      return ( number==c2.number && suit==c2.suit ) ? true : false;
}
int main()
{
      card temp, chosen, prize;
      int position;
      card card1( 7, clubs );
      cout << "\nCard 1 is the ";
      card1.display();
      card card2( jack, hearts );
      cout << "\nCard 2 is the ";
      card2.display();
      card card3( ace, spades );
      cout << "\nCard 3 is the ";
      card3.display();
      prize = card3;
      cout << "\nI'm swapping card 1 and card 3";
      temp = card3; card3 = card1; card1 = temp;
      cout << "\nI'm swapping card 2 and card 3";
      temp = card3; card3 = card2; card2 = temp;
      cout << "\nI'm swapping card 1 and card 2";
      temp = card2; card2 = card1; card1 = temp;
      cout << "\nNow, where (1, 2, or 3) is the ";
      prize.display();               //display prize card
      cout << "? ";
      cin >> position;               //get user's guess of position
      switch (position)
      {                           //set chosen to user's choice
          case 1: chosen = card1; break;
          case 2: chosen = card2; break;
          case 3: chosen = card3; break;
       }
       if( chosen.isEqual(prize) )    //is chosen card the prize?
          cout << "That's right!  You win!";
       else
          cout << "Sorry. You lose.";
       cout << "  You chose the ";
       chosen.display();
       cout << endl;
       return 0;
}