PortalsMove

package Updated;

class PortalsMoves 
{
    // A CheckersMove object represents a move in the game of Checkers.
    // It holds the row and column of the piece that is to be moved
    // and the row and column of the square to which it is to be moved.
    // (This class makes no guarantee that the move is legal.)
  int fromRow, fromCol;  // Position of piece to be moved.
  int toRow, toCol;      // Square it is to move to.
  PortalsMoves(int r1, int c1, int r2, int c2) {
       // Constructor.  Just set the values of the instance variables.
     fromRow = r1;
     fromCol = c1;
     toRow = r2;
     toCol = c2;
  }
  boolean isJump() {
       // Test whether this move is a jump.  It is assumed that
       // the move is legal.  In a jump, the piece moves two
       // rows.  (In a regular move, it only moves one row.)
     return (fromRow - toRow == 2 || fromRow - toRow == -2);
  }
}  // end class CheckersMove.