package java.util; public interface Collection { public boolean add(Object o) throws RuntimeException,ClassCastException,IllegalArgumentException; public boolean addAll(Collection c) throws RuntimeException,ClassCastException,IllegalArgumentException; public void clear() throws RuntimeException; public boolean contains(Object o); public boolean containsAll(Collection c); public boolean equals(Object o); public int hashCode(); public boolean isEmpty(); public Iterator iterator(); public /*SK13*/boolean remove(Object o) throws RuntimeException; public boolean removeAll(Collection c) throws RuntimeException; public boolean retainAll(Collection c) throws RuntimeException; public int size(); public Object[] toArray(); public Object[] toArray(Object[] a) throws ArrayStoreException; }