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‎.gitignore

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# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
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hs_err_pid*
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#idea
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*.iml
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.idea

‎.idea/vcs.xml

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‎LICENSE.html

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<html>
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<head>
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<title>Java Examples in a Nutshell: License</title>
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</head>
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<body bgcolor="#ffffff">
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<font face="helvetica">
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<div align=center>
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<h1>License for the Examples from the Book<br><i>Java Examples
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in a Nutshell, 2nd Edition</i></h1>
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</div>
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<p><b>0. Definitions</b>
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For the purposes of this license, "the book" means the
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second edition of the book <i>Java Examples in a
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Nutshell</i>. "The examples" means the Java programs and
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other source code included in the book, and available for
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download from the website
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<i>http://www.davidflanagan.com/javaexamples2</i>
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<p><b>1. Copyright</b>
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The examples are Copyright &copy; 2000 by David Flanagan.
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All rights reserved.
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<p><b>2. No Warranty</b>
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The examples are provided as-is, with NO WARRANTY OF ANY KIND.
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The examples were written to teach Java programming concepts
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and techniques, and are not intended as production-quality
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software. In particular, they have not been carefully
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tested. Neither David Flanagan nor the publisher O'Reilly
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&amp; Associates is responsible for any loss or damages of
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any kind resulting from the use of these examples.
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<p><b>3. Non-commercial Use</b>
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You may study, use, modify, and distribute these examples
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for any non-commercial purpose, as long as the copyright
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notice at the top of each example is retained. You may use
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the examples in software you develop for personal use, in
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software used internally by non-profit institutions, and in
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software that is publicly released under an open-source
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license.
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<p><b>4. Educational Use</b>
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If you are an educator at non-profit educational
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institution, you may use the examples for educational
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purposes in your courses. Please make the book a required
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or recommended text for the students in your course.
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<p>
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If you are an educator at a for-profit educational
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institution or at an organization whose primary purpose is
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not education, you may also use the examples in your
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courses, but you must ensure that each of your students
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purchases or is given a copy of the book.
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<p><b>5. Commercial Use</b>
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The examples were developed to demonstrate Java programming
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concepts and techniques. They are not intended as
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production code, and have not been through any kind of
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rigorous testing or validation. Nevertheless, if you find
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the code useful, and would like to use it commercially, you
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may purchase a commercial use license for a nominal fee.
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Visit http://www.davidflanagan.com/javaexamples2/ for
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information on obtaining such a license.
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<p>
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Upon payment, a commercial use license entitles you to use
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the examples and modified versions of the examples in
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commercial software. "Commercial software" includes
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software written for sale and software written for internal
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use by a for-profit organization (including your own
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organization) It does not include software that you write
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solely for your personal use, software written for internal
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use by non-profit organizations, and software that is
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publicly released under an open-source license.
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<p>
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Note that a commercial-use license does not entitle to you
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sell or otherwise commercially distribute the examples or
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modified versions of the examples as examples. You may only
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commercially distribute the examples when they are
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integrated into your commercial software.
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<p>
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Note that purchase of a commercial-use license does not
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provide any kind of warranty, expressed or implied, for the
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examples
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</font>
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</body>
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</html>

‎README.md

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# java-examples
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source code from book java examples in a nutshell
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# source README.MD
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These are the examples from the book Java Examples in a Nutshell, 2nd
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Edition, by David Flanagan.
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See the file index.html for more information.

‎cover.gif

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‎index.html

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‎pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.dean</groupId>
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<artifactId>java-examples</artifactId>
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<version>1.0-SNAPSHOT</version>
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</project>

‎src/main/java/com/davidflanagan/examples/applet/Clock.html

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<applet code="com/davidflanagan/examples/applet/Clock.class"
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codebase="../../../../"
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width=150 height=20>
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</applet>

‎src/main/java/com/davidflanagan/examples/applet/Clock.java

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/*
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* Copyright (c) 2000 David Flanagan. All rights reserved.
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* This code is from the book Java Examples in a Nutshell, 2nd Edition.
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* It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied.
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* You may study, use, and modify it for any non-commercial purpose.
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* You may distribute it non-commercially as long as you retain this notice.
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* For a commercial use license, or to purchase the book (recommended),
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* visit http://www.davidflanagan.com/javaexamples2.
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*/
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package com.davidflanagan.examples.applet;
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import java.applet.*; // Don't forget this import statement!
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import java.awt.*; // Or this one for the graphics!
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import java.util.Date; // To obtain the current time
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import java.text.DateFormat; // For displaying the time
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/**
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* This applet displays the time, and updates it every second
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**/
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public class Clock extends Applet implements Runnable {
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Label time; // A component to display the time in
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DateFormat timeFormat; // This object converts the time to a string
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Thread timer; // The thread that updates the time
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volatile boolean running; // A flag used to stop the thread
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/**
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* The init method is called when the browser first starts the applet.
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* It sets up the Label component and obtains a DateFormat object
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**/
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public void init() {
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time = new Label();
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time.setFont(new Font("helvetica", Font.BOLD, 12));
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time.setAlignment(Label.CENTER);
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setLayout(new BorderLayout());
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add(time, BorderLayout.CENTER);
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timeFormat = DateFormat.getTimeInstance(DateFormat.MEDIUM);
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}
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/**
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* This browser calls this method to tell the applet to start running.
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* Here, we create and start a thread that will update the time each
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* second. Note that we take care never to have more than one thread
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**/
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public void start() {
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running = true; // Set the flag
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if (timer == null) { // If we don't already have a thread
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timer = new Thread(this); // Then create one
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timer.start(); // And start it running
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}
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}
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/**
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* This method implements Runnable. It is the body of the thread. Once
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* a second, it updates the text of the Label to display the current time
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**/
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public void run() {
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while(running) { // Loop until we're stopped
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// Get current time, convert to a String, and display in the Label
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time.setText(timeFormat.format(new Date()));
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// Now wait 1000 milliseconds
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try { Thread.sleep(1000); }
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catch (InterruptedException e) {}
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}
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// If the thread exits, set it to null so we can create a new one
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// if start() is called again.
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timer = null;
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}
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/**
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* The browser calls this method to tell the applet that it is not visible
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* and should not run. It sets a flag that tells the run() method to exit
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**/
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public void stop() { running = false; }
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/**
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* Returns information about the applet for display by the applet viewer
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**/
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public String getAppletInfo() {
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return "Clock applet Copyright (c) 2000 by David Flanagan";
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}
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}

‎src/main/java/com/davidflanagan/examples/applet/ColorScribble.html

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<applet code="com/davidflanagan/examples/applet/ColorScribble.class"
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codebase="../../../../"
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width=400 height=400>
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<param name="foreground" value="FF0000">
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<param name="background" value="CCFFCC">
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</applet>

‎src/main/java/com/davidflanagan/examples/applet/ColorScribble.java

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/*
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* Copyright (c) 2000 David Flanagan. All rights reserved.
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* This code is from the book Java Examples in a Nutshell, 2nd Edition.
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* It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied.
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* You may study, use, and modify it for any non-commercial purpose.
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* You may distribute it non-commercially as long as you retain this notice.
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* For a commercial use license, or to purchase the book (recommended),
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* visit http://www.davidflanagan.com/javaexamples2.
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*/
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package com.davidflanagan.examples.applet;
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import java.applet.*;
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import java.awt.*;
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/**
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* A version of the Scribble applet that reads two applet parameters
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* to set the foreground and background colors. It also returns
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* information about itself when queried.
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**/
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public class ColorScribble extends Scribble {
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// Read in two color parameters and set the colors.
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public void init() {
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super.init(); // Let the superclass initialize itself
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Color foreground = getColorParameter("foreground");
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Color background = getColorParameter("background");
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if (foreground != null) this.setForeground(foreground);
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if (background != null) this.setBackground(background);
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}
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// Read the specified parameter. Interpret it as a hexadecimal
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// number of the form RRGGBB and convert it to a color.
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protected Color getColorParameter(String name) {
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String value = this.getParameter(name);
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try { return new Color(Integer.parseInt(value, 16)); }
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catch (Exception e) { return null; }
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}
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// Return information suitable for display in an About dialog box.
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public String getAppletInfo() {
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return "ColorScribble v. 0.03. Written by David Flanagan.";
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}
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// Return info about the supported parameters. Web browsers and applet
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// viewers should display this information, and may also allow users to
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// set the parameter values.
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public String[][] getParameterInfo() { return info; }
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// Here's the information that getParameterInfo() returns.
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// It is an array of arrays of strings describing each parameter.
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// Format: parameter name, parameter type, parameter description
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private String[][] info = {
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{"foreground", "hexadecimal color value", "foreground color"},
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{"background", "hexadecimal color value", "background color"}
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};
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}

‎src/main/java/com/davidflanagan/examples/applet/EventTester.html

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<applet code="com/davidflanagan/examples/applet/EventTester.class"
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codebase="../../../../"
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width=400 height=400>
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</applet>

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