import java.util.*;import java.awt.*;import java.applet.*;import java.text.*;import javax.swing.JFrame;import javax.swing.UIManager;/** * Time! * * @author Rachel Gollub * @modified Daniel Peek replaced circle drawing calculation, few more changes */public class Clock extends JFrame implements Runnable {    private volatile Thread timer;       // The thread that displays clock    private int lastxs, lastys, lastxm,                lastym, lastxh, lastyh;  // Dimensions used to draw hands     private SimpleDateFormat formatter;  // Formats the date displayed    private String lastdate;             // String to hold date displayed    private Font clockFaceFont;          // Font for number display on clock    private Date currentDate;            // Used to get date to display    private Color handColor;             // Color of main hands and dial    private Color numberColor;           // Color of second hand and numbers        public Clock() {    	this.setSize(60, 60);    	Dimension sc = getToolkit().getScreenSize();		Dimension sz = getSize();		setLocation(sc.width / 2 - sz.width / 2, sc.height / 2 - sz.height / 2);        int x,y;        lastxs = lastys = lastxm = lastym = lastxh = lastyh = 0;        formatter = new SimpleDateFormat ("EEE MMM dd hh:mm:ss yyyy",                                           Locale.getDefault());        currentDate = new Date();        lastdate = formatter.format(currentDate);        clockFaceFont = new Font("Serif", Font.PLAIN, 14);        handColor = Color.blue;        numberColor = Color.darkGray;        try {            //setBackground(new Color(Integer.parseInt(getParameter("bgcolor"),                                                     //16)));        } catch (NullPointerException e) {        } catch (NumberFormatException e) {        }        try {           // handColor = new Color(Integer.parseInt(getParameter("fgcolor1"),                                                 //  16));        } catch (NullPointerException e) {        } catch (NumberFormatException e) {        }        try {            //numberColor = new Color(Integer.parseInt(getParameter("fgcolor2"),                                                     //16));        } catch (NullPointerException e) {        } catch (NumberFormatException e) {        }        setVisible(true);        resize(300,300);        try {			UIManager					.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");		} catch (Exception evt) {		}        timer = new Thread(this);        timer.start();// Set clock window size    }    // Paint is the main part of the program    public void paint(Graphics g) {        int xh, yh, xm, ym, xs, ys;        int s = 0, m = 10, h = 10;        int xcenter = 150, ycenter = 150;        String today;        currentDate = new Date();                formatter.applyPattern("s");        try {            s = Integer.parseInt(formatter.format(currentDate));        } catch (NumberFormatException n) {            s = 0;        }        formatter.applyPattern("m");        try {            m = Integer.parseInt(formatter.format(currentDate));        } catch (NumberFormatException n) {            m = 10;        }            formatter.applyPattern("h");        try {            h = Integer.parseInt(formatter.format(currentDate));        } catch (NumberFormatException n) {            h = 10;        }            // Set position of the ends of the hands        xs = (int) (Math.cos(s * Math.PI / 30 - Math.PI / 2) * 45 + xcenter);        ys = (int) (Math.sin(s * Math.PI / 30 - Math.PI / 2) * 45 + ycenter);        xm = (int) (Math.cos(m * Math.PI / 30 - Math.PI / 2) * 40 + xcenter);        ym = (int) (Math.sin(m * Math.PI / 30 - Math.PI / 2) * 40 + ycenter);        xh = (int) (Math.cos((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30                   + xcenter);        yh = (int) (Math.sin((h*30 + m / 2) * Math.PI / 180 - Math.PI / 2) * 30                   + ycenter);            // Draw the circle and numbers        g.setFont(clockFaceFont);        g.setColor(handColor);        g.drawArc(xcenter-50, ycenter-50, 100, 100, 0, 360);        g.setColor(numberColor);        g.drawString("9", xcenter-45, ycenter+3);         g.drawString("3", xcenter+40, ycenter+3);        g.drawString("12", xcenter-5, ycenter-37);        g.drawString("6", xcenter-3, ycenter+45);        // Get the date to print at the bottom        formatter.applyPattern("EEE MMM dd HH:mm:ss yyyy");        today = formatter.format(currentDate);        // Erase if necessary        g.setColor(getBackground());        if (xs != lastxs || ys != lastys) {            g.drawLine(xcenter, ycenter, lastxs, lastys);            g.drawString(lastdate, 30, 80);        }        if (xm != lastxm || ym != lastym) {            g.drawLine(xcenter, ycenter-1, lastxm, lastym);            g.drawLine(xcenter-1, ycenter, lastxm, lastym);         }        if (xh != lastxh || yh != lastyh) {            g.drawLine(xcenter, ycenter-1, lastxh, lastyh);            g.drawLine(xcenter-1, ycenter, lastxh, lastyh);         }        // Draw date and hands        g.setColor(numberColor);        g.drawString(today, 30, 80);            g.drawLine(xcenter, ycenter, xs, ys);        g.setColor(handColor);        g.drawLine(xcenter, ycenter-1, xm, ym);        g.drawLine(xcenter-1, ycenter, xm, ym);        g.drawLine(xcenter, ycenter-1, xh, yh);        g.drawLine(xcenter-1, ycenter, xh, yh);        lastxs = xs; lastys = ys;        lastxm = xm; lastym = ym;        lastxh = xh; lastyh = yh;        lastdate = today;        currentDate = null;    }    public void start() {    	try {			UIManager					.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");		} catch (Exception evt) {		}        timer = new Thread(this);        timer.start();    }    public void stop() {        timer = null;    }    @SuppressWarnings("static-access")	public void run() {        Thread me = Thread.currentThread();        while (timer == me) {            try {                Thread.currentThread().sleep(100);            } catch (InterruptedException e) {            }            repaint();        }    }    public void update(Graphics g) {        paint(g);    }    public String getAppletInfo() {        return "Title: A Clock \n"            + "Author: Rachel Gollub, 1995 \n"            + "An analog clock.";    }      public String[][] getParameterInfo() {        String[][] info = {            {"bgcolor", "hexadecimal RGB number",              "The background color. Default is the color of your browser."},            {"fgcolor1", "hexadecimal RGB number",              "The color of the hands and dial. Default is blue."},            {"fgcolor2", "hexadecimal RGB number",              "The color of the second hand and numbers. Default is dark gray."}        };        return info;    }    public static void main(String[] ss){    	    	Clock c=new Clock();    	    }}