Java tutorial
/* From http://java.sun.com/docs/books/tutorial/index.html */ /* * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * -Redistribution of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * -Redistribution in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of Sun Microsystems, Inc. or the names of contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * This software is provided "AS IS," without a warranty of any kind. ALL * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of any * nuclear facility. */ /* * 1.1 version. */ import java.applet.Applet; import java.awt.GridLayout; import java.awt.TextArea; public class LamePrintThread extends Applet { TextArea display = new TextArea(1, 80); String newline; public void init() { //Create the text area and make it uneditable. display = new TextArea(1, 80); display.setEditable(false); //Set the layout manager so that the text area //will be as wide as possible. setLayout(new GridLayout(1, 0)); //Add the text area to the applet. add(display); //Find the platform-dependent newline character. newline = System.getProperty("line.separator"); addItem("init: " + threadInfo(Thread.currentThread())); } public void start() { addItem("start: " + threadInfo(Thread.currentThread())); } public void stop() { addItem("stop: " + threadInfo(Thread.currentThread())); } public void destroy() { addItem("destroy: " + threadInfo(Thread.currentThread())); //removeAll(); //XXXAppletViewer allows 2 init calls. } String threadInfo(Thread t) { return "thread=" + t.getName() + ", " + "thread group=" + t.getThreadGroup().getName(); } void addItem(String newWord) { System.out.println(newWord); display.append(newWord + newline); display.repaint(); } //DO NOT IMPLEMENT update() and paint()! Netscape Navigator 2.0 //for Windows (and maybe other browsers) crashes if you do. } //File: /* <html> <title> 1.1 LamePrintThread </title> <body> <h1> 1.1 LamePrintThread (x2) </h1> <applet code="LamePrintThread.class" width=450 height=100> </applet> <applet code="LamePrintThread.class" width=450 height=100> </applet> </body> </html> */