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Java Source | 1997-07-13 | 1.8 KB | 55 lines |
- /*
- * Copyright (c) 1995-1997 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Permission to use, copy, modify, and distribute this software
- * and its documentation for NON-COMMERCIAL purposes and without
- * fee is hereby granted provided that this copyright notice
- * appears in all copies. Please refer to the file "copyright.html"
- * for further important copyright and licensing information.
- *
- * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
- * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
- * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
- */
-
- import java.awt.Graphics;
- import java.util.Calendar;
- import java.util.Date;
- import java.util.Locale;
- import java.text.DateFormat;
-
- public class Clock1_1 extends java.applet.Applet implements Runnable {
-
- Thread clockThread = null;
-
- public void start() {
- if (clockThread == null) {
- clockThread = new Thread(this, "Clock");
- clockThread.start();
- }
- }
- public void run() {
- // loop terminates when clockThread is set to null in stop()
- while (Thread.currentThread() == clockThread) {
- repaint();
- try {
- Thread.sleep(1000);
- } catch (InterruptedException e){
- }
- }
- }
- public void paint(Graphics g) {
- Calendar cal = Calendar.getInstance();
- Date date = cal.getTime();
- DateFormat dateFormatter = DateFormat.getTimeInstance(DateFormat.DEFAULT,
- Locale.US);
- g.drawString(dateFormatter.format(date), 5, 10);
- }
- public void stop() {
- clockThread = null;
- }
- }
-