From dd8778d33eb95a31cdf4915033671132d718aa42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Stolarczuk?= <lukasz.stolarczuk@intel.com>
Date: Mon, 13 Sep 2021 11:17:13 +0200
Subject: [PATCH] example B: update Web description

matching updated code, in:
https://github.com/pmemhackathon/2021-04-21/pull/2
---
 templates/examples/B/body.tmpl        | 64 ++++++++++++++++++++++++++-
 templates/examples/B/description.tmpl |  2 +-
 2 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/templates/examples/B/body.tmpl b/templates/examples/B/body.tmpl
index 1f619e8..895ef56 100644
--- a/templates/examples/B/body.tmpl
+++ b/templates/examples/B/body.tmpl
@@ -107,7 +107,7 @@ below to build the program on the server.
 If you see any build errors, scroll back up
 to the source editing window and fix them.
 
-{{build "make kv"}}
+{{build "make python"}}
 
 <p>
 If the program built without errors, continue on to the next step below.
@@ -133,6 +133,68 @@ Now you can try running the program using the above commands.
 
 {{run "./run_py.sh"}}
 
+{{step "Using libpmemkv in Java"}}
+
+<p>
+And again, the same program as above - this time implemented in Java.
+The command-line interface is identical to the C++ version.
+<p>
+You can edit the program below and make changes if you'd like to
+experiment, or just run it as-is.
+
+{{edit "PmemkvExample/src/main/java/PmemkvExample.java" "PmemkvExample/Makefile" "PmemkvExample/pom.xml"}}
+
+<p>
+Once you've made any edits to the
+above source files, click the button
+below to build the program on the server.
+If you see any build errors, scroll back up
+to the source editing window and fix them.
+
+{{build "make java"}}
+
+<p>
+If the program built without errors, continue on to the next step below.
+
+{{step "Run The Java Project"}}
+
+<p>
+This example runs three different ways,
+depending on the command-line arguments:
+<ul>
+<li><tt>java PmemkvExample pmemfile</tt> <i>(print all k-v pairs)</i>
+<li><tt>java PmemkvExample pmemfile key</tt> <i>(print the value)</i>
+<li><tt>java PmemkvExample pmemfile key value</tt> <i>(add a k-v pair)</i>
+</ul>
+<p>
+You can edit the script below and run it
+again and again, to experiment with different commands.
+
+{{edit "run_java.sh"}}
+
+<p>
+Now you can try running the program using the above commands.
+
+{{run "./run_java.sh"}}
+
+{{step "Run All Bindings Alternatively"}}
+
+<p>
+In all above versions of the example the same engine ("cmap")
+was used.  This allows to mix the execution of these programs
+to access the same data (in the same pmemfile).
+To illustrate it works smoothly see the commands below.
+<p>
+You can edit the script below and run it
+again and again, to experiment with different commands.
+
+{{edit "run_cross_lang.sh"}}
+
+<p>
+Now you can try running the program using the above commands.
+
+{{run "./run_cross_lang.sh"}}
+
 <p>
 Like all examples in this workshop, any changes you make
 are to your own clone of the repository.  Your
diff --git a/templates/examples/B/description.tmpl b/templates/examples/B/description.tmpl
index 88f8f04..70cfd24 100644
--- a/templates/examples/B/description.tmpl
+++ b/templates/examples/B/description.tmpl
@@ -11,6 +11,6 @@ through this example is recommended for everyone since
 it provides an overview of how the most common libraries
 are used together.
 <br><br>
-This example shows C++ and Python language bindings for
+This example shows C++, Python, and Java language bindings for
 libpmemkv.
 {{template "tocEntryEnd" .}}