import java.util.Collection; import java.util.Iterator; import java.util.List; import java.util.ListIterator; public class StringList implements List { public void add(int index, ListItem element) { // TODO Auto-generated method stub } public boolean add(ListItem o) { // TODO Auto-generated method stub return false; } public boolean addAll(Collection c) { // TODO Auto-generated method stub return false; } public boolean addAll(int index, Collection c) { // TODO Auto-generated method stub return false; } public void clear() { // TODO Auto-generated method stub } public boolean contains(Object o) { // TODO Auto-generated method stub return false; } public boolean containsAll(Collection c) { // TODO Auto-generated method stub return false; } public ListItem get(int index) { // TODO Auto-generated method stub return null; } public int indexOf(Object o) { // TODO Auto-generated method stub return 0; } public boolean isEmpty() { // TODO Auto-generated method stub return false; } public Iterator iterator() { // TODO Auto-generated method stub return null; } public int lastIndexOf(Object o) { // TODO Auto-generated method stub return 0; } public ListIterator listIterator() { // TODO Auto-generated method stub return null; } public ListIterator listIterator(int index) { // TODO Auto-generated method stub return null; } public ListItem remove(int index) { // TODO Auto-generated method stub return null; } public boolean remove(Object o) { // TODO Auto-generated method stub return false; } public boolean removeAll(Collection c) { // TODO Auto-generated method stub return false; } public boolean retainAll(Collection c) { // TODO Auto-generated method stub return false; } public ListItem set(int index, ListItem element) { // TODO Auto-generated method stub return null; } public int size() { // TODO Auto-generated method stub return 0; } public List subList(int fromIndex, int toIndex) { // TODO Auto-generated method stub return null; } public Object[] toArray() { // TODO Auto-generated method stub return null; } public T[] toArray(T[] a) { // TODO Auto-generated method stub return null; } }