// Helene Martin, CSE 143
// An ordered collection of integers that allows duplicates.

public interface List<E> {
	public void add(E value);

	public void add(int index, E value);

	public boolean contains(E value);

	public void remove(int index);

	public E get(int index);

	public int indexOf(E value);

	public int size();

	public boolean isEmpty();

	public void set(int index, E value);
}