List interface

List.java

package adt.list;

/**
* A simplified version of the java.util.List interface.
* 
* @author Samuel T. C. Santos
* @version 1.0
* 
*/
public interface List<E> {
	
	/**
	* Returns the number of elements in this list.
	*/
	public int size();
	
	/**
	* Returns whether the list is empty.
	*/
	public boolean isEmpty();
	
	/**
	* Returns (but does not remove) the element at index i.
	*/
	public E get(int i) throws IndexOutOfBoundsException;
	
	/**
	* Replaces the element at index i with e, and returns the replaced element.
	*/
	public E set(int i, E element) throws IndexOutOfBoundsException;
	
	/**
	* Inserts element e to be at index i, shifting all subsequent elements later.
	*/
	public void add(int i, E element) throws IndexOutOfBoundsException;
	
	/**
	* Removes and returns the element at index i, shifting subsequent element earlier.
	*/
	public E remove(int i) throws IndexOutOfBoundsException;
	
}