public interface IntegerList {

	/** Accessors/Getters **/
	/*	Returns integer at the index
	 *	Throws IndexOutOfBoundsException if index is not w/i bounds [0...size)
	 */
	public int get( int index );
	
	/*	Returns the number of elements in the list
	 */
	public int size();
	
	/*	Returns the full size of the containing array
	 */
	public int capacity();
	
	/*	Returns true if there are 0 elements in the list
	 */
	public boolean isEmpty();
	
	/*	Returns a copy of all the elements in the array; size = size()
	 */
	public int[] toArray();
	
	/*	Returns a String representation of the elements in the array;
	 * (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	public String toString();
	
	
	/** Modifiers/Setters **/
	
	/*	Insert integer into array at index
	 * 	If index is within existing array, [0-size), performs left shift then insert
	 * 	If index is == size, inserts only
	 * 	if index is > size throws
	 */
	public void insert( int index, int integer);
	
	
	/*	Appends integer onto the list
	 *	Returns the index integer was inserted to
	 */
	public int add( int integer );
	
	/*	Appends list of integers onto the list
	 *	Returns the last index inserted into
	 */
	public int add( int[] listOfInteger );
	
	/*	Removes element at index from the array
	 *	Returns the element removed
	 *	Throws IndexOutOfBoundsException if index is not w/i bounds [0...size)
	 */
	public int remove( int index );
	
	/*	Sets value of element at index
	 * 	Returns the previous value of the element at index
	 * 	Throws IndexOutOfBoundsException if index is not w/i bounds [0...size)
	 */
	public int set( int index, int integer);
	
}