GenericSet.java

/**
 * Author: S. Smith
 * Revised: Mar 5, 2017
 * 
 * Description: A Set ADT with elements of type T
 */

import java.util.ArrayList;

public class GenericSet<T>
{
   protected ArrayList<T> s;
   public final static int MAX_SIZE = 100; 
   public GenericSet()
   {
     s = new ArrayList<T>();
   }

   public Boolean mem(T t)
   {
     return s.contains(t);
   }

   public void add(T t)
   {
     //check exception for MAX_SIZE
     if (s.size() == MAX_SIZE)
     {
	 throw new FullException("Cannot add to set.  Set is full.");
     }
     if (s.contains(t))
     {
	 throw new MemberException("Cannot add to set.  Member already exists.");
     }
     s.add(t);
   }

   public void del(T t)
   {
     if (s.contains(t))
     {
       throw new NotMemberException("Cannot delete the element.  Not in set.");
     }
     s.remove(t);
   }

   public int size()
   {
     return s.size();
   }
}