// Lab 2// scheirer dan// danscheirer/** * This class represents a Pawn. A Pawn has a row, a column and a color. * A Pawn one space at a time in a straight line, but cannot move backwards. * A Pawn can kill any opponent’s piece if the opponent’s piece occupies one * of the two spaces diagonally in front of the Pawn. */public class Pawn extends AbstractChessPiece {  /**   * Construct a Pawn object that has a row and column, and a color.   *   * @param row the current row of this Pawn.   * @param column the current column of this Pawn.   * @param color the color of this Pawn.   * @throws IllegalArgumentException if this Pawn is created with a position not within the chess   *         board.   */  public Pawn(int row, int column, Color color) throws IllegalArgumentException {    super(row, column, color);    if ((this.position.getRow() > 6 || this.position.getRow() < 0)        || (this.position.getCol() > 6 || this.position.getCol() < 0)) {      throw new IllegalArgumentException("Piece must be within the board bounds.");    }  }  @Override  public boolean canMove(int otherRow, int otherCol) throws IllegalArgumentException {    if (otherRow < 0 || otherRow > 7 || otherCol < 0 || otherCol > 7) {      throw new IllegalArgumentException(“The given position is off the board.”);    } else {      return (this.color == Color.WHITE) && ((this.position.getRow() + 1 == otherRow          && this.position.getCol() == otherCol)) || ((this.color == Color.BLACK) && ((          this.position.getRow() – 1 == otherRow && this.position.getCol() == otherCol)));    }  }  @Override  public boolean canKill(ChessPiece other) {    if (this.color == Color.WHITE && other.getColor() != this.color) {      return ((this.position.getRow() + 1 == other.getRow()          && this.position.getCol() + 1 == other.getCol())          || (this.position.getRow() + 1 == other.getRow()          && this.position.getCol() – 1 == other.getCol()));    } else {      return ((this.color == Color.BLACK && other.getColor() != this.color)          && ((this.position.getRow() – 1 == other.getRow()          && this.position.getCol() + 1 == other.getCol())          || (this.position.getRow() – 1 == other.getRow()          && this.position.getCol() – 1 == other.getCol())));    }  }}