public class FancyStackDeque extends StackDeque implements FancyCollection {
	//Constructors
  	public FancyStackDeque() { ... }
 	public FancyStackDeque(Object[] arg) { ... }
	public FancyStackDeque(FancyCollection arg) { ... }
	
	//Methods - inherited from class StackDeque
	
	//FancyCollection methods implementation
   	public int size() { ... }
   	
   	public void clear() { left.clear(); right.clear(); }
   	
	public boolean contains(Object arg) {
   		...
   	}
   	
	public Object clone() { ... }
   	
   	//Override methods - inherited from class Object
	public boolean equals(Object arg) {
		FancyStackDeque d = (FancyStackDeque)arg;
		if(this.size() != d.size()) return false;
		
		Object[] thisArray = this.toArray();
		Object[] argArray = d.toArray();
		//Proverka dali thisArray i argArray savpadat
		...
	}
		
	public String toString() {
		Object[] temp = this.toArray();
		//Polu4avane na niz ot elementite na temp
		...
	}
}