/** Test client. */ public static void main(String[] args) { // set the scale of the coordinate system StdDraw.setXscale(0, 10); StdDraw.setYscale(0, 10); // Draw line StdDraw.line(1, 1, 8, 8); // Draw square StdDraw.setPenColor(StdDraw.RED); StdDraw.setPenRadius(.01); StdDraw.square(3, 3, 2); // Draw filled Square StdDraw.setPenColor(StdDraw.BLUE); StdDraw.filledSquare(5, 8, 2); // Draw Circle StdDraw.setPenColor(StdDraw.BLACK); StdDraw.setPenRadius(); StdDraw.circle(5, 5, 2); // text StdDraw.setPenColor(StdDraw.BLACK); StdDraw.text(6, 1, "black text"); }