import java.util.NoSuchElementException;

public class GFancyQueue<E> implements GQueue<E>, GFancyCollection<E>, Cloneable {
	//Data
	private GQueue<E> elements;
	
	//Constructors
	public GFancyQueue(GQueue<E> arg) { elements = arg; }
	
	//GQueue methods implementation
	public boolean isEmpty() { return elements.isEmpty(); }
	public boolean	add(E e) throws IllegalStateException { ... }
	public E element() throws NoSuchElementException { ... }
	public E remove() throws NoSuchElementException { ... }
 	public boolean offer(E e) { ... } 
 	public E peek() { ... }
 	public E poll() { ... }
	
	//GFancyCollection methods implementation
	public int size(){ return this.toArray().length; }
	
	public void clear() { ... }
	
   	public boolean contains(E arg) {
   		Object[] temp = elements.toArray();
   		//Proverka dali arg prinadleji na masiva temp
   		...
	}
	
	public Object[] toArray() { return elements.toArray(); }
	
   	@SuppressWarnings("unchecked")
    public Object clone() {
        GFancyQueue<E> copy = null;
        try {
            copy = (GFancyQueue<E>)super.clone();
            copy.elements = (GQueue<E>)elements.clone();
        } catch (java.lang.CloneNotSupportedException e) {}
        return copy;
    }
	
	//Override methods - inherited from class Object
	@SuppressWarnings("unchecked")
	public boolean equals(Object arg) {
		GFancyQueue<E> d = (GFancyQueue<E>)arg;
		if(this.size() != d.size()) return false;
		
		Object[] thisArray = elements.toArray();
		Object[] argArray = d.toArray();
		//Proverka dali masivite thisArray i argArray savpadat
		...
	}
		
	public String toString() {
		Object[] temp = elements.toArray();
		//Polu4avane na niz ot elementite na masiva temp
		...
	}
}