package testing; import java.util.Collection; import java.util.Iterator; public class CollectionImplementation implements Collection { public boolean add(Object o) { // TODO Auto-generated method stub return false; } public boolean addAll(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 boolean isEmpty() { // TODO Auto-generated method stub return false; } public Iterator iterator() { // 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 int size() { // TODO Auto-generated method stub return 0; } public Object[] toArray() { // TODO Auto-generated method stub return null; } public T[] toArray(T[] a) { // TODO Auto-generated method stub return null; } }