public class Foothill
{

   public static void main(String[] args)
   {
      Card card1, card2, card3;
      card1 = new Card();
      card2 = new Card('5');
      card3 = new Card('9', Card.Suit.hearts);
      String report = card1.toString() + ", " + card2.toString() + ", " + card3.toString();
      System.out.println(report);
   }

}


class Card
{
   //Enum
   public enum Suit {clubs, diamonds, hearts, spades}

   //Private Data
   private char value;
   private Suit suit;
   private boolean errorFlag = false;


   //overloaded constructors
   public Card() //Default, no input, default to A and Spades
   {
      this('A', Suit.spades);
   }

   public Card( char value, Suit suit)//Full input, no default
   {
      set(value, suit);
   }

   public Card(char value)//Only value is given, default Spades
   {
      this(value, Suit.spades);
   }


   // mutator
   public boolean set(char value, Suit suit)
   {
      errorFlag = isValid(value, suit);

      if (errorFlag=true)
         return false;

      this.suit = suit;
      this.value = value;
      return true;

   }


   // accessors
   public char getVal()
   {
      return value;
   }

   public Suit getSuit()
   {
      return suit;
   }
   public boolean geterrorFlag()
   {
      return errorFlag;
   }


   // stringizer
   public String toString()
   {
      String retVal;
      System.out.println(errorFlag);
      if(errorFlag==true)
         return "Invalid Input";

      retVal = String.valueOf(value) + " of " + suit;
      return retVal;
   }

   public static boolean isValid(char value, Suit suit)
   {
      char upVal;

      upVal = Character.toUpperCase(value);
      if (upVal == 'A' || upVal == 'K' || upVal == 'Q' || upVal == 'J'
            || upVal == 'T' || (upVal >= '2' && upVal <= '9'))
         return false;
      else
         return true;
   }

}