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Thread: need some help with an 2-d array project

  1. #1
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    Default need some help with an 2-d array project

    This has to do with the game called chomp and it plays like this Java applet. The Chomp game
    I need help finishing this code with 2-d arrays

    // Implements a 2-D array of characters
     
    public class CharMatrix
    {
      // Fields:
      private int x;
      private int y;
     
      // Constructor: creates a grid with dimensions rows, cols,
      // and fills it with spaces
      public CharMatrix(int rows, int cols)
      {
      x = rows;
      y = cols;
      char[] array = new char[x][y];  
      }
     
      // Constructor: creates a grid with dimensions rows , cols ,
      // and fills it with the fill  character
      public CharMatrix(int rows, int cols, char fill)
      {
      x = rows;
      y = cols;
      char[] array = new char[x][y];  
        for(int i = 0; i < x; i++)
          for(int j = 0; j < y; j++)
            array[ i ][ j ] = fill;
      }
     
      // Returns the number of rows in grid
      public int numRows()
      {
        return x;
      }
     
      // Returns the number of columns in grid
      public int numCols()
      {
        return y;
      }
     
      // Returns the character at row, col location
      public char charAt(int row, int col)
      {
        return array[x][y];
      }
     
      // Sets the character at row, col location to ch
      public void setCharAt(int row, int col, char ch)
      {
        array[x][y] = ch;
      }
     
      // Returns true if the character at row, col is a space,
      // false otherwise
      public boolean isEmpty(int row, int col)
      {
        int counter = 0;  
        for(int i = 0; i < x; i++)
          for(int j = 0; j < y; j++)
        if (array[i][j].equals('0'))
    	counter ++;
        if(counter==x*y)	
    	return true;
        else return false;
      }
     
      // Fills the given rectangle with fill  characters.
      // row0, col0 is the upper left corner and row1, col1 is the
      // lower right corner of the rectangle.
      public void fillRect(int row0, int col0, int row1, int col1, char fill)
      {
        ...
      }
     
      // Fills the given rectangle with SPACE characters.
      // row0, col0 is the upper left corner and row1, col1 is the
      // lower right corner of the rectangle.
      public void clearRect(int row0, int col0, int row1, int col1)
      {
        ...
      }
     
      // Returns the count of all non-space characters in row 
      public int countInRow(int row)
      {
        ...
      }
     
      // Returns the count of all non-space characters in col 
      public int countInCol(int col)
      {
        ...
      }
    }
    Last edited by helloworld922; April 8th, 2011 at 12:07 AM.


  2. #2
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    Default Re: need some help with an 2-d array project

    Do not dump your homework and expect someone to fix it for you. Ask a specific question and get a specific answer.

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