public class ExtremeLifeCell extends Cell 
{
    public CellState getNextState ()
       // EFFECTS: Returns the next state for this cell.
       //          The next state will be alive if this cell or any of its neighbors
       //          is currently alive.
    {
        if (countAliveNeighbors () > 0) { 
            // If the cell has at least one neighboring cell
            // that is alive, this cell should become alive.
            return CellState.createAlive (); 
        } else { 
            // Otherwise, the cell maintains its previous state.
            return getState ();
        }
    }
}