Cell.java

/** A Cell is one "square" on the field of a Mine Sweeper game. 
 * @author Andrew Merrill
*/

interface Cell
{
  /** Returns the row number of this cell. */
  public int getRow();
  
  /** Returns the column number of this cell. */
  public int getCol();
  
  /** Returns true if this cell is visible, meaning that its number of neighboring mines should be displayed. */
  public boolean isVisible();
  
  /** Returns true if this cell contains a mine (regardless of whether it is visible or has been flagged). */
  public boolean isMine();
  
  /** Returns true if this cell has been flagged (regardless of whether it is visible or contains a mine). */
  public boolean isFlagged();
  
  /** Returns the number of mines that are in cells that are adjacent to this one.  Most cells have
   * eight neighbors (N, S, E, W, NE, NW, SE, SW).  Cells along the edges of the field or cells in the
   * corners have fewer neighbors.  Mines are counted regardless of whether or not they are visible
   * or flagged.  If there is a mine in the current cell, it is not counted.
   */
  public int getNeighborMines();
}