public static void drawTriangle (int x1, int y1, int x2, int y2, int x3, int y3)
    {

        c.drawLine (x1, y1, x2, y2);
        c.drawLine (x2, y2, x3, y3);
        c.drawLine (x3, y3, x1, y1);

    }

public static void main (String[] args)
    {
        c = new Console ();

        int x1, x2, x3, y1, y2, y3;


        x1 = 5; //(int) Math.ceil (Math.random () * c.maxx ());
        x2 = 500; //(int) Math.ceil (Math.random () * c.maxx ());
        x3 = 300; //(int) Math.ceil (Math.random () * c.maxx ());

        y1 = 10; //(int) Math.ceil (Math.random () * c.maxy ());
        y2 = 200; //(int) Math.ceil (Math.random () * c.maxy ());
        y3 = 450; //(int) Math.ceil (Math.random () * c.maxy ());

        fillTriangle (x1, y1, x2, y2, x3, y3);

        c.drawString ("x1, y1", x1, y1);
        c.drawString ("x2, y2", x2, y2);
        c.drawString ("x3, y3", x3, y3);

    } // main method

public static void fillTriangle (int x1, int y1, int x2, int y2, int x3, int y3)
    {

        c.drawLine (x1, y1, x2, y2);
        c.drawLine (x2, y2, x3, y3);
        c.drawLine (x3, y3, x1, y1);

        double slopex = x3 - x2;
        double slopey = y3 - y2;
        double slope = slopey / slopex;

        System.out.println (slope); //I put this here so i could see what the slope was ...

        for (int i = y3 ; i >= y2 ; i += slope)
        {

            x2++;

            c.drawLine (x1, y1, x2, i);

        }