chess board draw basic

/*Draw chessboard using 2 for loop basic
  
  
  */
  
            
            
            for ( row = 0;  row < 8;  row++ ) {                / row creation ----
               for ( col = 0;  col < 8;  col++ ) {       / column creation ----
               
                   x = 20*col;
                   y = 20*row;
                   
                   if ( (row % 2) == (col % 2) )
                      g.setColor(Color.white);
                   else
                      g.setColor(Color.black);
                   g.fillRect(x,y,20,20);
               }
            }
            
            
            
            
            
            
            
            ------------Full Method--------
            
            
    import java.awt.*;
    import java.applet.*;
    
    public class Checkerboard extends Applet {
      
       /*  This applet draws a white-and-black checkerboard.
           It is assumed that the size of the applet is 40  
           by 40 pixels.
       */
    
       public void paint(Graphics g) {
          
          int row;   // Row number, from 0 to 7
          int col;   // Column number, from 0 to 7
          int x,y;   // Top-left corner of square
       
          for ( row = 0;  row < 8;  row++ ) {
          
             for ( col = 0;  col < 8;  col++) {
                x = col * 20;
                y = row * 20;
                if ( (row % 2) == (col % 2) )
                   g.setColor(Color.red);
                else
                   g.setColor(Color.black);
                g.fillRect(x, y, 20, 20);
             } 
          
          } // end for row
       
       }  // end paint()

    }  // end class