Clock java

Clock.java

public class Clock

{

             public static void main(String[] args)

   {

                for (int t = 0; true; t++)

       {

            double seconds = t % 60;

            double minutes = (t / 60.0) % 60;

            double hours   = (t / 3600.0) % 12;

            StdDraw.clear(StdDraw.LIGHT_GRAY);

            StdDraw.setPenRadius();

            StdDraw.setPenColor(StdDraw.BLACK);

            StdDraw.filledCircle(0.5, 0.5, 0.45);

           

            StdDraw.setPenColor(StdDraw.BLUE);

            for (int i = 0; i < 12; i++)

            {

                double theta = Math.toRadians(i * 30);

                StdDraw.filledCircle(0.5 + 0.4 * Math.cos(theta), 0.5 + 0.4 * Math.sin(theta), .025);

            }

            StdDraw.setPenRadius(.01);

            StdDraw.setPenColor(StdDraw.YELLOW);

            double angle1 = Math.toRadians(6 * seconds);

            double r1 = 0.4;

            StdDraw.line(0.5, 0.5, 0.5 + r1 * Math.sin(angle1), 0.5 + r1 * Math.cos(angle1));

            StdDraw.setPenRadius(.02);

            StdDraw.setPenColor(StdDraw.GRAY);

            double angle2 = Math.toRadians(6 * minutes);

            double r2 = 0.3;

            StdDraw.line(0.5, 0.5, 0.5 + r2 * Math.sin(angle2), 0.5 + r2 * Math.cos(angle2));

                          StdDraw.setPenRadius(.025);

            StdDraw.setPenColor(StdDraw.WHITE);

            double angle3 = Math.toRadians(30 * hours);

            double r3 = 0.2;

            StdDraw.line(0.5, 0.5, 0.5 + r3 * Math.sin(angle3), 0.5 + r3 * Math.cos(angle3));

                        int second = t          % 60;

            int minute = (t / 60)   % 60;

            int hour   = (t / 3600) % 12;

            String time = String.format("%2d:%02d:%02d", hour, minute, second);

            StdDraw.setPenColor(StdDraw.BOOK_RED);

            StdDraw.text(0.5, 0.0, time);

            StdDraw.show(1000);

        }

    }

            }