@Override
	public Class<?> getColumnClass(int arg1){
		Class<?> c = null;
		
		// pobierz odpowiedni warto z odpowiedniego obiektu na licie
		switch (arg1){
			case 0: c = Integer.class;
					break;
			case 1: c = String.class; 
					break;
			case 2: c = String.class;
					break;
			case 3: c = String.class; 
					break;
			case 4: c = Boolean.class; 
					break;
			case 5: c = String.class; 
					break;
			case 6: c = Boolean.class;
					break;
			case 7: c = Boolean.class;
					break;
			case 8: c = Boolean.class;
					break;
			default: c = Object.class;
					break;
		}
		return c;
	}