diff --git a/developers.html b/developers.html
index a1bea76ad5199f89058151ee741e1ba7a22b7f2b..cab93beeac3b39bc048337158b72684ceaa0dbf4 100644
--- a/developers.html
+++ b/developers.html
@@ -388,7 +388,8 @@ Apache Ant(TM) version 1.10.11 compiled on July 10 2021
<li>
<a name="inetutils"></a>
<a href="http://ras52-tech.blogspot.com/2007/01/telnet-on-cygwin.html">Telnet and other networking clients</a>
- are in the <i>Net/inetutils</i> package
+ are in the <i>Net/inetutils</i> package.
+ See the <a href="#telnet">telnet</a> section for further guidance.
</li>
<!--
<li>
@@ -842,13 +843,14 @@ Note that the -d switch is necessary for domain users.
Java is the primary programming language used in Savage projects.
</p>
+ <!--
<hr />
<p>
<span style="color:darkorange"><b>Developers warning:</b></span>
- OpenJDK <code style="color:darkgreen"><b>jdk-16.0.1</b></code>
+ OpenJDK <code style="color:darkgreen"><b>jdk-16.0.2</b></code>
<blockquote>
- <a href="https://jdk.java.net/16/release-notes" target="_blank">JDK 16.0.1 Release Notes</a>
+ <a href="https://jdk.java.net/16/release-notes" target="_blank">JDK 16.0.2 Release Notes</a>
describes a significant new strictness in Java handling of reflection.
We have found that this can lead to mysterious showstopper exceptions caused by supporting libraries.
We are currently holding stable at OpenJDK <code style="color:darkgreen"><b>jdk-16</b></code>
@@ -863,6 +865,7 @@ Note that the -d switch is necessary for domain users.
</blockquote>
</p>
<hr />
+ -->
<p>
To configure Java on your development system:
@@ -905,11 +908,11 @@ Note that the -d switch is necessary for domain users.
or
-->
<br />
- <code style="color:darkgreen"><b>JAVA_HOME=C:\Program Files\Java\openjdk\jdk-16</b></code> # OpenJDK
+ <code style="color:darkgreen"><b>JAVA_HOME=C:\Program Files\Java\openjdk\jdk-16.0.2</b></code> # OpenJDK, or
<br />
- <code style="color:darkgreen"><b>JAVA_HOME=C:\Program Files\Java\jdk-14</b></code> # Oracle JDK
- <br />
- <code style="color:darkgreen"><b>JAVA_HOME=C:\Program Files\Java\jdk1.8.0_221</b></code> # Oracle JDK
+ <!-- <code style="color:darkgreen"><b>JAVA_HOME=C:\Program Files\Java\jdk-14</b></code> # Oracle JDK
+ <br />-->
+ <code style="color:darkgreen"><b>JAVA_HOME=C:\Program Files\Java\jdk1.8.0_221</b></code> # Oracle JDK
<br />
and (usually inserted at the beginning of an existing PATH, if it already exists)
<br />
@@ -917,8 +920,10 @@ Note that the -d switch is necessary for domain users.
</li>
<li>
<span style="color:darkorange"><b>Developers warning:</b></span>
- ensure that external or automatic installation of Java JRE does not prepend a different Java PATH value,
- effectively overriding the intended developmental JDK of interest.
+ ensure that external or automatic installation of Java JRE does not prepend a different Java path,
+ effectively overriding the intended developmental JDK of interest. If a different version of Java is active,
+ also check order of entries in the
+ <a href="images/Windows10EnvironmentVariablesPathJAVA_HOME.png">system <code>PATH</code> environment variable</a>.
</li>
<li>
Test what version of Java is actually installed and configured for your operating system via console command line. Examples:
@@ -927,10 +932,9 @@ Note that the -d switch is necessary for domain users.
<pre>
$<b> java -version</b> # OpenJDK 16
-openjdk version "16" 2021-03-16
-OpenJDK Runtime Environment (build 16+36-2231)
-OpenJDK 64-Bit Server VM (build 16+36-2231, mixed mode, sharing)
-
+openjdk version "16.0.2" 2021-07-20
+OpenJDK Runtime Environment (build 16.0.2+7-67)
+OpenJDK 64-Bit Server VM (build 16.0.2+7-67, mixed mode, sharing)
</pre>
</li>
<li>
@@ -944,15 +948,25 @@ Java HotSpot(TM) 64-Bit Server VM (build 25.221-b11, mixed mode)
</li>
</ul>
</li>
+ <li>
+ <a href="https://docs.oracle.com/en/java/javase/16" target="_blank">JDK 16 Javadoc Documentation</a>
+ is useful.
+ <!--
+ <a href="https://docs.oracle.com/javase/8/docs/api" target="_blank">Java 8 Javadoc</a>
+ is also online.-->
+ </li>
<li>
<a href="https://www.oracle.com/java/technologies/javase-downloads.html" target="_blank">Javadoc Documentation Download</a>
for local use is available on the
Oracle Java SE Downloads page.
Extract the <code style="color:darkgreen"><b>docs</b></code> directory tree provided by the .zip
into the directory containing the corresponding version of Java.
+ (Note that OpenJDK Javadoc
+ <!-- <a href="https://www.oracle.com/java/technologies/javase-jdk14-doc-downloads.html" target="_blank">OpenJDK Java 15 Javadoc</a> -->
+ uses the same javadoc as Oracle Javadoc.)
</li>
<li>
- Summaries of Java language feature improvements:
+ Java language feature summaries:
<a href="https://openjdk.java.net/projects/jdk/16" target="_blank">JDK 16</a>,
<a href="https://openjdk.java.net/projects/jdk/15" target="_blank">JDK 15</a>,
<a href="https://openjdk.java.net/projects/jdk/14" target="_blank">JDK 14</a>,
@@ -962,37 +976,6 @@ Java HotSpot(TM) 64-Bit Server VM (build 25.221-b11, mixed mode)
<a href="https://openjdk.java.net/projects/jdk/10" target="_blank">JDK 10</a> and
<a href="https://openjdk.java.net/projects/jdk9" target="_blank">JDK 9</a>.
</li>
- <li>
- <a href="https://docs.oracle.com/en/java/javase/16" target="_blank">JDK 16 Javadoc Documentation</a>
- is useful.
- <a href="https://docs.oracle.com/javase/8/docs/api" target="_blank">Java 8 Javadoc</a>
- is also online.
- </li>
- <ul>
- <li>
- (Note that OpenJDK Javadoc
- <!-- <a href="https://www.oracle.com/java/technologies/javase-jdk14-doc-downloads.html" target="_blank">OpenJDK Java 15 Javadoc</a> -->
- uses the same javadoc as Oracle Javadoc.)
- </li>
- </ul>
- <li>
- For JDK 1.8 (but not later),
- <a href="https://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html">Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 8 Download</a>
- is needed to support various builds
- (link also found at bottom of JavaSE downloads page).
- <ul>
- <li> Extract the contents (including README.txt) for inclusion in the JDK development build, for example
- <br />
- <code style="color:darkgreen"><b>C:\Program Files\Java\jdk1.8.0_221\jre\lib\security</b></code></li>
- <li>
- <a href="https://download.oracle.com/javase/8/docs/technotes/guides/security">Java(TM) Cryptography Architecture (JCA) Reference Guide</a>
- </li>
- <li>
- <a href="https://www.oracle.com/technetwork/java/javase/tech/index-jsp-136007.html">Java SE Security</a>
- has more information about JCE and the Java SE Security Model.
- </li>
- </ul>
- </li>
<li>
Be sure to similarly configure
<a href="#Ant">Ant</a> and
@@ -1001,19 +984,21 @@ Java HotSpot(TM) 64-Bit Server VM (build 25.221-b11, mixed mode)
</li>
</ul>
- <p>Additional Java resources:</p>
+ <p>Additional, older Java resources:</p>
<ul>
<li>
<a href="https://www.oracle.com/technetwork/java/javase/documentation/index-jsp-135444.html">Javadoc Tool</a>
page provides guidance on how to write correct, effective Java documentation.
</li>
+ <!--
<li>
- You can also visit the
+ To check a web browser, visit the
<a href="https://www.java.com/en/download/installed.jsp" target="_blank">Verify Java Version</a>
page, which detects which version of Java is installed in your Web browser.
This may be a different version (for example, JRE version 1.7.*)
without interfering with the command-line PATH version used for development.
</li>
+ -->
<li>
If desired, developers can choose among multiple versions of Java platforms in NetBeans
via the menu Tools > Java Platforms. Over years of practice, we earlier
@@ -1037,6 +1022,24 @@ Java HotSpot(TM) 64-Bit Server VM (build 25.221-b11, mixed mode)
<a href=" https://www.web3d.org/x3d/content/examples/images/JavaControlPanelSecurityExceptionSiteList.png">Java Control Panel Security Exception Site List</a>
(<a href="https://www.java.com/en/download/exception_sitelist.jsp">documentation</a>).
</li>
+ <li>
+ For JDK 1.8 (but not later),
+ <a href="https://www.oracle.com/technetwork/java/javase/downloads/jce8-download-2133166.html">Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files 8 Download</a>
+ is needed to support various builds
+ (link also found at bottom of JavaSE downloads page).
+ <ul>
+ <li> Extract the contents (including README.txt) for inclusion in the JDK development build, for example
+ <br />
+ <code style="color:darkgreen"><b>C:\Program Files\Java\jdk1.8.0_221\jre\lib\security</b></code></li>
+ <li>
+ <a href="https://download.oracle.com/javase/8/docs/technotes/guides/security">Java(TM) Cryptography Architecture (JCA) Reference Guide</a>
+ </li>
+ <li>
+ <a href="https://www.oracle.com/technetwork/java/javase/tech/index-jsp-136007.html">Java SE Security</a>
+ has more information about JCE and the Java SE Security Model.
+ </li>
+ </ul>
+ </li>
</ul>
<!-- =========================================================== -->
@@ -2333,11 +2336,6 @@ netbeans_jdkhome="C:\Program Files\Java\jdk1.8.0_221"</pre>
modern operating systems typically require specific configuration action to enable it.
</p>
<ul>
- <li>
- Authoritative reference:
- <a href="https://tools.ietf.org/html/rfc854">RFC 854, TELNET PROTOCOL SPECIFICATION</a>,
- default port 23.
- </li>
<li>
System configuration changes typically require administrator permissions.
</li>
@@ -2366,7 +2364,16 @@ netbeans_jdkhome="C:\Program Files\Java\jdk1.8.0_221"</pre>
Many ad hoc tools also exist (with lesser security) such as
<a href="https://brew.sh" target="_blank">brew</a>.
</li>
- </ul>
+ <li>
+ Helpful reference:
+ <a href="https://www.telnet.org/htm/faq.htm">telnet FAQ</a>.
+ </li>
+ <li>
+ Authoritative reference:
+ <a href="https://tools.ietf.org/html/rfc854">RFC 854, TELNET PROTOCOL SPECIFICATION</a>,
+ default port 23.
+ </li>
+ </ul>
<!-- =========================================================== -->
@@ -2676,7 +2683,7 @@ netbeans_jdkhome="C:\Program Files\Java\jdk1.8.0_221"</pre>
<blockquote style="background-color: palegreen">
<i>Updated!</i>
- Xj3D is upgraded to latest Java 16 (OpenJDK 16.0.1) and moved to
+ Xj3D is upgraded to latest Java 16 (OpenJDK 16.0.2) and moved to
<a href="https://gitlab.nps.edu/Savage/xj3d" target="_blank">https://gitlab.nps.edu/Savage/xj3d</a>.
<br />
<i>Status:</i>
@@ -3069,7 +3076,7 @@ which can lead to the Internet of Things becoming the Web of Things. </i>
<a href="https://savage.nps.edu/developers.html">https://savage.nps.edu/developers.html</a>
</blockquote>
<blockquote>
- Revised 23 July 2021.
+ Revised 24 July 2021.
</blockquote>
<p>