/* A simple stair case applet
   illustrating while, not using for statements, or increment operators
*/
import java.applet.*;
import java.awt.*;

public class staircase extends Applet
{
    public void paint( Graphics g )
    {
        int size = 8,
            squareSize = 40,
            x = 10, y = 10,
            row, col;

        row = 0;
        while ( row < size )
        {
            // paint a row of red squares
            col = 0;
            while ( col <= row)
            {
                g.fillRect(x + col*squareSize, y + row*squareSize, squareSize, squareSize);
                col = col + 1;
            }

            row = row + 1;
        }
    }
}