[DrJava] [ drjava-Bugs-1934640 ] a bug for compiling

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Bugs item #1934640, was opened at 2008-04-04 10:01
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: a bug for compiling

Initial Comment:
public class ExtendedBoard extends Board 
{  
    private final String EMPTY = "";
    
    // An array to store the colour of the peg at each board position. If a peg
    // is not present on the board at a particular position, the corresponding
    // element of the array is the empty string "".
    private String[][]  colorOfPegAt;
    
    // Construct and initialize a 2-D ExtendedBoard object by calling a superclass constructor,
    // allocating memory for colorOfPegAt, and setting all its entries to "".
    public ExtendedBoard( int rows, int cols ) 
    { 
      // ADD CODE HERE
      super(rows , cols);
    }
    
    // Construct and initialize a 1-D ExtendedBoad object, which is just a 1 x cols 2-D ExtendedBoard. 
    public ExtendedBoard( int cols ) 
    {
      // ADD CODE HERE
      super(cols);
    }
    
    // Pre:  row and col are valid Board positions and color is a valid colour.
    // Post: a peg of the indicated color has been added to the board at the
    //       specified position, and its color has been recorded in colorOfPegAt.
    public void putPeg( String color, int row, int col ) 
    { 
      // ADD CODE HERE
      this.colorOfPegAt[row][col] = color;
    }
    
    // Pre:  col is a valid Board position and color is a valid color.
    // Post: a peg of the indicated color has been added to the board at the
    //       specified position, and its color has been recorded in colorOfPegAt.
    public void putPeg( String color, int col ) 
    { 
      // ADD CODE HERE
      this.colorOfPegAt[0][col] = color;
    }
    
    // Pre:  row and col are valid board positions.
    // Post: there is no peg at the indicated position and the corresponding element of colorOfPegAt is "".
    public void removePeg( int row, int col )
    {
      // ADD CODE HERE 
      super.removePeg(row, col);
      colorOfPegAt[row][col] = this.EMPTY;
    }
    
    // Pre:  col is a valid board position.
    // Post: there is no peg at the indicated position and the corresponding element of colorOfPegAt is "".
    public void removePeg( int col )
    {
      // ADD CODE HERE 
      super.removePeg(col);
      colorOfPegAt[0][col] = this.EMPTY;
    }
    
    // Pre:  row and col are valid board positions.
    // Post: returns the color of the peg at the specified position, or "" if there is none.
    public String getPeg( int row, int col ) 
    {
      // ADD CODE HERE
      if (colorOfPegAt[row][col]!=this.EMPTY)
      {
        return colorOfPegAt[row][col];
      }else
      {
        System.out.println("There is none.");
        return "";
      }
      
    }
    
    // Pre:  rcol is a valid board position.
    // Post: returns the color of the peg at the specified position, or "" if there is none.
    public String getPeg( int col ) 
    {
      // ADD CODE HERE
      if (colorOfPegAt[0][col]!=this.EMPTY)
      {
        return colorOfPegAt[0][col];
      }else
      {
        System.out.println("There is none.");
        return "";
      }
    }
    
    // A simple test.
    public static void main( String[] args ) 
    {
      ExtendedBoard myBoard = new ExtendedBoard( 5, 5   );
        
      myBoard.putPeg( "green", 0, 0   );
      myBoard.putPeg( myBoard.getPeg(0,0), 4, 4   );
      
      myBoard.putPeg( "yellow", 0, 4   );
      myBoard.putPeg( myBoard.getPeg(0,4), 4, 0   );
    }
    
}


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You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=438935&aid=1934640&group_id=44253