// CSE 373 Homework 6: The Rotating Dead
// YOU DO NOT NEED TO MODIFY THIS INSTRUCTOR-PROVIDED FILE.
// Your code should work properly with an unmodified version of this file.

/**
 * Interface Setrepresents an abstract data type (ADT) for a collection 
 * of unique elements with no duplicates allowed.
 * 
 * Classes implementing Set are generally expected to provide the core
 * operations of add, contains, and remove in O(1) or O(log N) average runtime.
 */
import java.util.Iterator;

public interface Set<E> extends Iterable<E> {
	/** @see Homework spec for details */
	void add(E element);

	/** @see Homework spec for details */
	void clear();

	/** @see Homework spec for details */
	boolean contains(E element);

	/** @see Homework spec for details */
	boolean isEmpty();
	
	/** @see Homework spec for details */
	Iterator<E> iterator();
	
	/** @see Homework spec for details */
	void remove(E element);
	
	/** @see Homework spec for details */
	int size();
}