public synchronized Boolean isChecked(int index){
  if (index < 0 || index >= itemStatus.size())   return null;
  return itemStatus.get(index);
}

public synchronized Boolean isChecked ( int index ) { if ( index < 0 || index >= itemStatus . size ( ) ) return null ; return itemStatus . get ( index ) ; }
checks if a particular item is part of the check box list and returns a boolean value depending on the toggle state of the item .
