/* Analogue Clock */ import java.applet.*; import java.awt.*; import java.util.*; import java.text.*; /* <applet code="anakogueClock" width="300" height="300"></applet> */ public class anakogueClock extends Applet implements Runnable { int width, height; Thread t = null; int hours=0, minutes=0, seconds=0; String timeString = ""; public void init() { width = getSize().width; height = getSize().height; setBackground( Color.white ); } public void start() { t = new Thread(this); t.start(); } public void run() { try{ while(true){ Calendar cal = Calendar.getInstance(); hours = cal.get( Calendar.HOUR_OF_DAY ); if ( hours > 12 ) hours -= 12; minutes = cal.get( Calendar.MINUTE ); seconds = cal.get( Calendar.SECOND ); SimpleDateFormat formatter = new SimpleDateFormat( "hh:mm:ss", Locale.getDefault() ); Date date = cal.getTime(); timeString = formatter.format( date ); repaint(); t.sleep( 1000 ); // interval specified in milliseconds } } catch(Exception e) { } } void drawHand( double angle, int radius, Graphics g ) { angle -= 0.5 * Math.PI; int x = (int)( radius*Math.cos(angle) ); int y = (int)( radius*Math.sin(angle) ); g.drawLine( width/2, height/2, width/2 + x, height/2 + y ); } void drawWedge( double angle, int radius, Graphics g ) { angle -= 0.5 * Math.PI; int x = (int)( radius*Math.cos(angle) ); int y = (int)( radius*Math.sin(angle) ); angle += 2*Math.PI/3; int x2 = (int)( 5*Math.cos(angle) ); int y2 = (int)( 5*Math.sin(angle) ); angle += 2*Math.PI/3; int x3 = (int)( 5*Math.cos(angle) ); int y3 = (int)( 5*Math.sin(angle) ); g.drawLine( width/2+x2, height/2+y2, width/2 + x, height/2 + y ); g.drawLine( width/2+x3, height/2+y3, width/2 + x, height/2 + y ); g.drawLine( width/2+x2, height/2+y2, width/2 + x3, height/2 + y3 ); } public void paint( Graphics g ) { g.setColor( Color.gray ); drawWedge( 2*Math.PI * hours / 12, width/5, g ); drawWedge( 2*Math.PI * minutes / 60, width/3, g ); drawHand( 2*Math.PI * seconds / 60, width/2, g ); g.setColor( Color.white ); g.drawString( timeString, 10, height-10 ); } }
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Java program for creating Analogue clock
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