public class GrannySmith {
  public final static Color color  = Color.GREEN;
  public final static String taste = "Delicious";
  public final static byte percentPerByte = 4;

  public static numApples = 0;
  
  public byte percentEaten = 0;
  public boolean rotten = false;

  public GrannySmith() {
    // Default constructor has all the right values defined already.
    // percentEaten was initialized to 0, and rotten was initialized to false.
    numApples++; // Tell the world that we made another apple
  }

  public GrannySmith(byte _percentEaten, boolean _rotten) {
    percentEaten = _percentEaten;
    rotten = _rotten;
    numApples++; // Tell the world that we made another apple
  }

  /** rot the apple */
  public void rot() {
    rotten = true;
    numApples--; // one less apple to eat :(
  }

  /** Take a bite out of the apple. If there is more apple to eat, returns true. */
  public boolean bite() throws RottenException { 
    if(rotten) throw new RottenException("This apple is rotten!");
    if(percentEaten < 100) {
      percentEaten += percentPerByte;
      if(percentEaten == 100) numApples--; // one less apple to eat :(
    return percentEaten < 100;
  }
  
}