import java.util.*;

public class Hand extends TreeSet<E> {
    TreeSet<E> hand = new TreeSet<E>();

    public Hand() {

    }

    public boolean add(E c) {
        return hand.add(c);
    }

    public boolean remove(E c) {
        return hand.remove(c);
    }

    public String toString() {
        //hand.comparator();
        return hand.toString();
    }

    public boolean equals(Object o) {
        if(this == o) return true;
        if(this == null) return false;
        if(o.getClass() != getClass()) return false;
        TreeSet currentSet = (TreeSet<Card>) o;
        if( !hand.equals(currentSet)) return false;
        return true;
    }
}