final Object o; try { o = current.get(index); } catch (Exception e) { return null; } return o;
return current.get(index);
	public Object getElementAt(int index) {		System.out.println("getElementAt : ".concat(new Integer(index).toString()));//		this.index = index;//		return current.get(index);		final Object o;		try {		       o = current.get(index);		}		 catch (Exception e) {			return null;  	 		}		return o;	}