code: private void decrement() {
  		MyData data = (MyData) getData();
  		int dataCount = data.getCount();
  
  		if (dataCount > 0) {
  			dataCount--;
  		}
  
  		data.setCount(dataCount);
  	}
docs: Increments the {@link MyData} bean's count by 1. Called by the action on {@link #decBtn}.