1- import javax .swing .*;
2- import java .awt .*;
3- import java .text .SimpleDateFormat ;
4- import java .util .Calendar ;
5-
6- public class Clock extends JFrame {
7-
8- Calendar calendar ;
9- SimpleDateFormat timeFormat ;
10- SimpleDateFormat dayFormat ;
11- SimpleDateFormat dateFormat ;
12-
13- JLabel timeLabel ;
14- JLabel dayLabel ;
15- JLabel dateLabel ;
16- String time ;
17- String day ;
18- String date ;
19- Clock () {
20- this .setDefaultCloseOperation (JFrame .EXIT_ON_CLOSE );
21- this .setTitle ("Java Digital Clock" );
22- this .setLayout (new FlowLayout ());
23- this .setSize (350 , 300 );
24- this .setResizable (false );
25-
26- timeFormat = new SimpleDateFormat ("hh:mm:ss a" );
27- dayFormat =new SimpleDateFormat ("EEEE" );
28- dateFormat =new SimpleDateFormat ("MMMMM, yyyy" );
29- timeLabel = new JLabel ();
30- timeLabel .setFont (new Font ("SANS_SERIF" , Font .PLAIN , 59 ));
31- timeLabel .setBackground (Color .CYAN );
32- timeLabel .setForeground (Color .BLACK );
33- timeLabel .setOpaque (true );
34- dayLabel =new JLabel ();
35- dayLabel .setFont (new Font ("SANS_SERIF" ,Font .BOLD ,34 ));
36-
37- dateLabel =new JLabel ();
38- dateLabel .setFont (new Font ("SANS_SERIF" ,Font .BOLD ,30 ));
39-
40-
41- this .add (timeLabel );
42- this .add (dayLabel );
43- this .add (dateLabel );
44- this .setVisible (true );
45-
46- setTimer ();
47- }
48-
49- public void setTimer () {
50- while (true ) {
51- time = timeFormat .format (Calendar .getInstance ().getTime ());
52- timeLabel .setText (time );
53-
54- day = dayFormat .format (Calendar .getInstance ().getTime ());
55- dayLabel .setText (day );
56-
57- date = dateFormat .format (Calendar .getInstance ().getTime ());
58- dateLabel .setText (date );
59-
60- try {
61- Thread .sleep (1000 );
62- } catch (Exception e ) {
63- e .getStackTrace ();
64- }
65- }
66- }
67- public static void main (String [] args ) {
68- new Clock ();
69- }
70- }
1+ import java .awt .Color ;
2+ import java .awt .Font ;
3+ import java .awt .Graphics ;
4+ import java .text .SimpleDateFormat ;
5+ import java .util .Date ;
6+ import java .util .Locale ;
7+ import javax .swing .JFrame ;
8+ import javax .swing .JPanel ;
9+ public class Clock extends JPanel implements Runnable
10+ {
11+ Thread thread = null ;
12+ SimpleDateFormat formatter = new SimpleDateFormat ("s" , Locale .getDefault ());
13+ Date currentDate ;
14+ int xcenter = 175 , ycenter = 175 , lastxs = 0 , lastys = 0 , lastxm = 0 , lastym = 0 , lastxh = 0 , lastyh = 0 ;
15+ private void drawStructure (Graphics g ) {
16+ g .setFont (new Font ("TimesRoman" , Font .BOLD , 20 ));
17+ g .setColor (Color .black );
18+ g .fillOval (xcenter - 150 , ycenter - 150 , 300 , 300 );
19+ g .setColor (Color .blue );
20+ g .drawString ("abhishek dubey" , 113 , 300 );
21+ g .setColor (Color .green );
22+ g .drawString ("9" , xcenter - 145 , ycenter + 0 );
23+ g .drawString ("3" , xcenter + 135 , ycenter + 0 );
24+ g .drawString ("12" , xcenter - 10 , ycenter - 130 );
25+ g .drawString ("6" , xcenter - 10 , ycenter + 145 );
26+ }
27+ public void paint (Graphics g )
28+ {
29+ int xhour , yhour , xminute , yminute , xsecond , ysecond , second , minute , hour ;
30+ drawStructure (g );
31+ currentDate = new Date ();
32+ formatter .applyPattern ("s" );
33+ second = Integer .parseInt (formatter .format (currentDate ));
34+ formatter .applyPattern ("m" );
35+ minute = Integer .parseInt (formatter .format (currentDate ));
36+ formatter .applyPattern ("h" );
37+ hour = Integer .parseInt (formatter .format (currentDate ));
38+ xsecond = (int )(Math .cos (second * 3.14 f / 30 - 3.14 f / 2 ) * 120 + xcenter );
39+ ysecond = (int )(Math .sin (second * 3.14 f / 30 - 3.14 f / 2 ) * 120 + ycenter );
40+ xminute = (int )(Math .cos (minute * 3.14 f / 30 - 3.14 f / 2 ) * 100 + xcenter );
41+ yminute = (int )(Math .sin (minute * 3.14 f / 30 - 3.14 f / 2 ) * 100 + ycenter );
42+ xhour = (int )(Math .cos ((hour * 30 + minute / 2 ) * 3.14 f / 180 - 3.14 f / 2 ) * 80 + xcenter );
43+ yhour = (int )(Math .sin ((hour * 30 + minute / 2 ) * 3.14 f / 180 - 3.14 f / 2 ) * 80 + ycenter );
44+ // Erase if necessary, and redraw
45+ g .setColor (Color .magenta );
46+ if (xsecond != lastxs || ysecond != lastys )
47+ {
48+ g .drawLine (xcenter , ycenter , lastxs , lastys );
49+ }
50+ if (xminute != lastxm || yminute != lastym )
51+ {
52+ g .drawLine (xcenter , ycenter - 1 , lastxm , lastym );
53+ g .drawLine (xcenter - 1 , ycenter , lastxm , lastym );
54+ }
55+ if (xhour != lastxh || yhour != lastyh )
56+ {
57+ g .drawLine (xcenter , ycenter - 1 , lastxh , lastyh );
58+ g .drawLine (xcenter - 1 , ycenter , lastxh , lastyh );
59+ }
60+ g .setColor (Color .magenta );
61+ g .drawLine (xcenter , ycenter , xsecond , ysecond );
62+ g .setColor (Color .red );
63+ g .drawLine (xcenter , ycenter - 1 , xminute , yminute );
64+ g .drawLine (xcenter - 1 , ycenter , xminute , yminute );
65+ g .setColor (Color .green );
66+ g .drawLine (xcenter , ycenter - 1 , xhour , yhour );
67+ g .drawLine (xcenter - 1 , ycenter , xhour , yhour );
68+ lastxs = xsecond ;
69+ lastys = ysecond ;
70+ lastxm = xminute ;
71+ lastym = yminute ;
72+ lastxh = xhour ;
73+ lastyh = yhour ;
74+ }
75+ public void start ()
76+ {
77+ if (thread == null )
78+ {
79+ thread = new Thread (this );
80+ thread .start ();
81+ }
82+ }
83+ public void stop ()
84+ {
85+ thread = null ;
86+ }
87+ public void run ()
88+ {
89+ while (thread != null )
90+ {
91+ try
92+ {
93+ Thread .sleep (100 );
94+ }
95+ catch (InterruptedException e ) {}
96+ repaint ();
97+ }
98+ thread = null ;
99+ }
100+ public void update (Graphics g )
101+ {
102+ paint (g );
103+ }
104+ public static void main (String args [])
105+ {
106+ JFrame window = new JFrame ();
107+ Color c = new Color (118 , 73 , 190 );
108+ window .setBackground (c );
109+ window .setDefaultCloseOperation (JFrame .EXIT_ON_CLOSE );
110+ window .setBounds (0 , 0 , 400 , 400 );
111+ Clock clock = new Clock ();
112+ window .getContentPane ().add (clock );
113+ window .setVisible (true );
114+ clock .start ();
115+ }
116+ }
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