import java.util.*;
public class Drink implements Comparable {
public String name;
public int compareTo(Object o) {
return 0;
}
public static void main(String[] args)
{
Drink one = new Drink();
Drink two = new Drink();
one.name = "Coffee".
two.name = "Tea".
TreeSet set = new TreeSet();
set.add(one);
set.add(two);
}
}