// Class defining a hand of cards
import java.util.Vector;
import java.util.Collections;

public class Hand {
  // Add a card to the hand
  public void add(Card card) {
    hand.add(card);
  }

  @Override
  public String toString() {
    StringBuilder str = new StringBuilder();
    boolean first = true;
    for(Card card : hand) {
      if(first) {
        first = false;
      } else {
        str.append(", ");
      }
      str.append(card);
    }
    return str.toString();
  }

  // Sort the hand
  public Hand sort() {
    Collections.sort(hand);
    return this;
  }

  private Vector<Card> hand = new Vector<>();      // Stores a hand of cards
}