public boolean contains(Object object) {Iterator<E> it = iterator();if (object != null) {while (it.hasNext()) {if (object.equals(it.next())) {return true;}}} else {while (it.hasNext()) {if (it.next() == null) {return true;}}}return false;}
public virtual bool contains(object @object){java.util.Iterator<E> it = iterator();if (@object != null){while (it.hasNext()){if (@object.Equals(it.next())){return true;}}}else{while (it.hasNext()){if ((object)it.next() == null){return true;}}}return false;}