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+ </div><div id='content' class='page-1'><div class='row'><div class='row-fluid'><div class='col-lg-3'><ul class='nav-sidebar'><li><a href='/blog/'>Blog index</a></li><li class='active'><a href='#doc'>Fun with obfuscated Groovy</a></li></ul></div><div class='col-lg-8 col-lg-pull-0'><a name='doc'></a><h1>Fun with obfuscated Groovy</h1><p>Author: <i/></p><p>Published: '2022-12-08T00:40:23+00:00'</p><hr/><div class="paragraph">
+<p>An interesting tweet appeared in my feed this morning:</p>
+</div>
+<div class="paragraph">
+<p><span class="image"><img src="img/bloch_obfuscated_java_tweet.png" alt="ObfuscatedJava@joshbloch" width="540"></span></p>
+</div>
+<div class="paragraph">
+<p>And of course it prints the same thing in Groovy:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="prettyprint highlight"><code data-lang="groovy">char p(int i) {
+ (char) (72.5
+ + i * (17488.589319014318
+ + i * (-54923.96120078333
+ + i * (72666.96791801952
+ + i * (-54398.97479321991
+ + i * (25980.955221285272
+ + i * (-8426.37914599868
+ + i * (1921.5090334614745
+ + i * (-313.59919165032926
+ + i * (36.799215753141524
+ + i * (-3.0787816564704586
+ + i * (0.17913536718875267
+ + i * (-0.0068850803421115925
+ + i * (1.5709912194287188E-4
+ + i * (-1.6109400409995646E-6
+ )))))))))))))))
+}
+
+var i = 0
+while (p(i)) print p(i++)</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p><span class="red">STOP</span> reading now and try it out for yourself … or browse the
+<a href="https://community.oracle.com/tech/developers/discussion/1239419/java-code-obfuscation-contest">possible origin</a></p>
+</div>
+<div class="paragraph">
+<p><span class="red">SPOILER ALERT</span> okay, if you didn’t stop, I guess it’s still okay to scroll down to see what it prints out and how to create an obfuscated script yourself…</p>
+</div>
+<div class="paragraph">
+<p> <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+               
+               
+               ↓<br></p>
+</div>
+<div class="paragraph">
+<p> <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+               
+               
+               ↓<br></p>
+</div>
+<div class="paragraph">
+<p> <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+               
+               
+               ↓<br></p>
+</div>
+<div class="paragraph">
+<p> <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br>
+ <br></p>
+</div>
+<div class="paragraph">
+<p>Let’s Groovify the <a href="https://twitter.com/nikialeksey/status/1600598026678149120">reply</a> from
+<a href="https://twitter.com/nikialeksey">Alexey Nikitin</a> which uses
+<a href="https://commons.apache.org/proper/commons-math/">Apache Commons Math</a> to
+replicate the problem:</p>
+</div>
+<div class="listingblock">
+<div class="content">
+<pre class="prettyprint highlight"><code data-lang="groovy">@Grab('org.apache.commons:commons-math3:3.6.1')
+import org.apache.commons.math3.analysis.interpolation.NevilleInterpolator
+
+var text = 'Hello, world!\n'
+var size = text.size()
+var x = new double[size + 1]
+var y = new double[size + 1]
+for(i in 0..<size) {
+ x[i] = i
+ y[i] = (int) text[i]
+}
+x[size] = size
+y[size] = 0
+
+var lines = []
+var interpolator = new NevilleInterpolator()
+var function = interpolator.interpolate(x, y)
+var coeff = function.coefficients
+lines << 'char p(int i) {'
+lines << " (char) (${coeff[0]} + 0.5"
+for(i in 1..<coeff.length) {
+ lines << ' + i * (' + coeff[i]
+}
+lines << ' ' + ')' * coeff.length
+lines << '''}
+var i = 0
+var out = ''
+while(p(i)) out += p(i++)
+out
+'''
+var script = lines.join('\n')
+println script
+assert text == Eval.me(script)</code></pre>
+</div>
+</div>
+<div class="paragraph">
+<p>This generates the script, prints it out, and then runs it to make sure it produces what we intended. It only differs from above in that instead of printing out each character, it builds up and returns a String so that we can assert our expectations. It was simpler than capturing stdout by other means.</p>
+</div>
+<div class="paragraph">
+<p>Enjoy!</p>
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@@ -53,7 +53,7 @@
</ul>
</div>
</div>
- </div><div id='content' class='page-1'><div class='row'><div class='row-fluid'><div class='col-lg-3'><ul class='nav-sidebar'><li class='active'><a href='/blog/'>Blogs</a></li><li><a href='groovy-null-processing'>Groovy Processing Nulls In Lists</a></li><li><a href='groundhog-day'>Groundhog Day</a></li><li><a href='fun-with-rating-stars'>Fun with rating stars</a></li><li><a href='apache-groovy-2022-year-in'>Apache Groovy 2022 Year In Review</a></li><li><a href='adventures-with-groovyfx'>Adventures with GroovyFX</a></li><li><a href='whiskey-clustering-with-groovy-and'>Whiskey Clustering with Groovy and Apache Ignite</a></li><li><a href='deck-of-cards-with-groovy'>Deck of cards with Groovy, JDK collections and Eclipse Collections</a></li><li><a href='encryption-and-decryption-with-groovy'>Encryption and decryption with Groovy</a></li><li><a href='calculating-fibonacci-with-groovy-revisited'>Calculating Fibonacci with Groovy revisited</a></li><li><a href='groovy-list-processing-cheat-sheet'>Groovy List Processing Cheat Sheet</a></li><li><a href='detecting-objects-with-groovy-the'>Detecting objects with Groovy, the Deep Java Library (DJL), and Apache MXNet</a></li><li><a href='groovy-release-train-4-0'>Groovy release train</a></li><li><a href='comparators-and-sorting-in-groovy'>Comparators and Sorting in Groovy</a></li><li><a href='classifying-iris-flowers-with-deep'>Classifying Iris Flowers with Deep Learning, Groovy and GraalVM</a></li><li><a href='groovy-4-0-3-released'>Groovy 4.0.3 Released</a></li><li><a href='groovy-3-highlights'>Groovy 3 Highlights</a></li><li><a href='groovy-3-0-0-beta1'>Groovy 3.0.0-beta-2 Released</a></li><li><a href='groovy-3-0-0-beta2'>Groovy 3.0.0-beta-2 Windows Installer Released (Community Release)</a></li><li><a href='groovy-2-5-7-and'>Groovy 2.5.7 and 3.0.0-beta-1 Windows Installers Released (Community Artifacts)</a></li><li><a href='groovy-3-0-0-beta'>Groovy 3.0.0-beta-1 Released</a></li><li><a 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Groundbreaker award</a></li><li><a href='groovy-2-5-3-released'>Groovy 2.5.3 Released</a></li><li><a href='gmavenplus-1-6-2-released'>GMavenPlus 1.6.2 Released (Community Artifact)</a></li><li><a href='groovy-2-5-3-windows'>Groovy 2.5.3 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-5-2-windows'>Groovy 2.5.2 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-5-2-released'>Groovy 2.5.2 released</a></li><li><a href='groovy-2-5-1-released'>Groovy 2.5.1 released</a></li><li><a href='announce-announcing-codenarc-1-2'>[ANNOUNCE] Announcing CodeNarc 1.2</a></li></ul></div><div class='col-lg-8 col-lg-pull-0'><h1>Blogs for Groovy</h1><div id='chartdiv'></div><p>Here you can find the Blogs for the Groovy programming language:</p><div id='blog-list'><div><span>Search: </span><input type='text' class='search'/></div><ul class='list'><li><p class='name'><a href='groovy-null-processing'>Groovy Processing Nulls In Lists</a><br/>Published by Paul King on 2023-02-06</p></li><li><p class='name'><a href='groundhog-day'>Groundhog Day</a><br/>Published by Paul King on 2023-02-02<br/>Inspired by a recent tweet, this blog looks at some datetime manipulations to calculate the period between Groundhog day and the start of Spring.</p></li><li><p class='name'><a href='fun-with-rating-stars'>Fun with rating stars</a><br/>Published by Paul King on 2023-01-25<br/>Inspired by a recent tweet, this blog looks at producing a string of stars corresponding to a rating.</p></li><li><p class='name'><a href='apache-groovy-2022-year-in'>Apache Groovy 2022 Year In Review</a><br/>Published by on 2022-12-29<br/>This post looks back at some highlights for Groovy in 2022.</p></li><li><p class='name'><a href='adventures-with-groovyfx'>Adventures with GroovyFX</a><br/>Published by Paul King on 2022-12-12<br/>This blog looks at a GroovyFX TODO application.</p></li><li><p class='name'><a href='whiskey-clustering-with-groovy-and'>Whiskey Clustering with Groovy and Apache Ignite</a><br/>Published by Paul King on 2022-10-27<br/>This post looks at using Apache Ignite with Apache Groovy and the K-Means algorithm to cluster scotch whiskeys.</p></li><li><p class='name'><a href='deck-of-cards-with-groovy'>Deck of cards with Groovy, JDK collections and Eclipse Collections</a><br/>Published by Paul King on 2022-09-23<br/>Last updated: 2022-09-25<br/>This post highlights some code for modelling and manipulating cards with records, JDK collections, and Eclipse Collections.</p></li><li><p class='name'><a href='encryption-and-decryption-with-groovy'>Encryption and decryption with Groovy</a><br/>Published by Paul King on 2022-09-19<br/>This post looks at encrypting and decrypting data using Groovy with the AES and CAST5 algorithms.</p></li><li><p class='name'><a href='calculating-fibonacci-with-groovy-revisited'>Calculating Fibonacci with Groovy revisited</a><br/>Published by on 2022-09-08<br/>This post looks at various ways to calculate Fibonacci numbers such as recursion and iteration including optimisations like tail recursion and memoization.</p></li><li><p class='name'><a href='groovy-list-processing-cheat-sheet'>Groovy List Processing Cheat Sheet</a><br/>Published by Paul King on 2022-08-28</p></li><li><p class='name'><a href='detecting-objects-with-groovy-the'>Detecting objects with Groovy, the Deep Java Library (DJL), and Apache MXNet</a><br/>Published by Paul King on 2022-08-01<br/>This post looks at using Apache Groovy, DLJ and Apache MXNet to use neural networks to detect objects within an image.</p></li><li><p class='name'><a href='groovy-release-train-4-0'>Groovy release train</a><br/>Published by on 2022-07-24<br/>Groovy 4.0.4, 3.0.12 and 2.5.18 Release Announcement.</p></li><li><p class='name'><a href='comparators-and-sorting-in-groovy'>Comparators and Sorting in Groovy</a><br/>Published by Paul King on 2022-07-21</p></li><li><p class='name'><a href='classifying-iris-flowers-with-deep'>Classifying Iris Flowers with Deep Learning, Groovy and GraalVM</a><br/>Published by Paul King on 2022-06-25<br/>This post looks at classifying Iris flowers using traditional and neural net based approaches using Eclipse DeepLearning4j, Encog, Deep Netts and GraalVM.</p></li><li><p class='name'><a href='groovy-4-0-3-released'>Groovy 4.0.3 Released</a><br/>Published by Paul King on 2022-06-15<br/>Groovy 4.0.3 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-highlights'>Groovy 3 Highlights</a><br/>Published by on 2020-02-13<br/>A summary of the highlights for Groovy 3.</p></li><li><p class='name'><a href='groovy-3-0-0-beta1'>Groovy 3.0.0-beta-2 Released</a><br/>Published by Remko Popma on 2019-07-15<br/>Groovy 3.0.0-beta-2 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-beta2'>Groovy 3.0.0-beta-2 Windows Installer Released (Community Release)</a><br/>Published by Remko Popma on 2019-07-15<br/>Groovy 3.0.0-beta-2 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-7-and'>Groovy 2.5.7 and 3.0.0-beta-1 Windows Installers Released (Community Artifacts)</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 2.5.7 and 3.0.0-beta-1 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-beta'>Groovy 3.0.0-beta-1 Released</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 3.0.0-beta-1 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-4-17-released'>Groovy 2.4.17 Released</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 2.4.17 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-7-released'>Groovy 2.5.7 Released</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 2.5.7 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-6-released'>Groovy 2.5.6 Released</a><br/>Published by Remko Popma on 2019-02-04<br/>Groovy 2.5.6 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-alpha'>Groovy 3.0.0-alpha-4 Released</a><br/>Published by Remko Popma on 2019-01-01<br/>Groovy 3.0.0-alpha-4 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-alpha1'>Groovy 3.0.0-alpha-4 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2019-01-01<br/>Groovy 2.4.16 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-5-windows'>Groovy 2.5.5 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-12-24<br/>Groovy 2.5.5 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-5-released'>Groovy 2.5.5 released</a><br/>Published by Remko Popma on 2018-12-24<br/>Groovy 2.5.5 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-4-16-windows'>Groovy 2.4.16 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-12-18<br/>Groovy 2.4.16 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-4-16-released'>Groovy 2.4.16 Released</a><br/>Published by Remko Popma on 2018-12-18<br/>Groovy 2.4.16 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-4-released'>Groovy 2.5.4 Released</a><br/>Published by Remko Popma on 2018-11-12<br/>Groovy 2.5.4 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-4-windows'>Groovy 2.5.4 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-11-12<br/>Groovy 2.5.4 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='apache-groovy-committer-graeme-rocher'>Apache Groovy committer Graeme Rocher receives Oracle Groundbreaker award</a><br/>Published by Paul King on 2018-10-24<br/>Congratulations to Graeme Rocher for receiving the Oracle Groundbreaker award.</p></li><li><p class='name'><a href='groovy-2-5-3-released'>Groovy 2.5.3 Released</a><br/>Published by Remko Popma on 2018-10-14<br/>Groovy 2.5.3 Release Announcement.</p></li><li><p class='name'><a href='gmavenplus-1-6-2-released'>GMavenPlus 1.6.2 Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-10-14<br/>GMavenPlus 1.6.2 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-3-windows'>Groovy 2.5.3 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-10-14<br/>Groovy 2.5.3 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-2-windows'>Groovy 2.5.2 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-08-19<br/>Groovy 2.5.2 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-2-released'>Groovy 2.5.2 released</a><br/>Published by Remko Popma on 2018-08-16<br/>Groovy 2.5.2 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-1-released'>Groovy 2.5.1 released</a><br/>Published by Remko Popma on 2018-07-14<br/>Groovy 2.5.1 Release Announcement.</p></li><li><p class='name'><a href='announce-announcing-codenarc-1-2'>[ANNOUNCE] Announcing CodeNarc 1.2</a><br/>Published by Remko Popma on 2018-07-10<br/>CodeNarc 1.2 Release Announcement.</p></li></ul><ul class='pagination'/></div></div></div></div></div><footer id='footer'>
+ </div><div id='content' class='page-1'><div class='row'><div class='row-fluid'><div class='col-lg-3'><ul class='nav-sidebar'><li class='active'><a href='/blog/'>Blogs</a></li><li><a href='groovy-null-processing'>Groovy Processing Nulls In Lists</a></li><li><a href='groundhog-day'>Groundhog Day</a></li><li><a href='fun-with-rating-stars'>Fun with rating stars</a></li><li><a href='apache-groovy-2022-year-in'>Apache Groovy 2022 Year In Review</a></li><li><a href='adventures-with-groovyfx'>Adventures with GroovyFX</a></li><li><a href='whiskey-clustering-with-groovy-and'>Whiskey Clustering with Groovy and Apache Ignite</a></li><li><a href='deck-of-cards-with-groovy'>Deck of cards with Groovy, JDK collections and Eclipse Collections</a></li><li><a href='encryption-and-decryption-with-groovy'>Encryption and decryption with Groovy</a></li><li><a href='calculating-fibonacci-with-groovy-revisited'>Calculating Fibonacci with Groovy revisited</a></li><li><a href='groovy-list-processing-cheat-sheet'>Groovy List Processing Cheat Sheet</a></li><li><a href='detecting-objects-with-groovy-the'>Detecting objects with Groovy, the Deep Java Library (DJL), and Apache MXNet</a></li><li><a href='groovy-release-train-4-0'>Groovy release train</a></li><li><a href='comparators-and-sorting-in-groovy'>Comparators and Sorting in Groovy</a></li><li><a href='classifying-iris-flowers-with-deep'>Classifying Iris Flowers with Deep Learning, Groovy and GraalVM</a></li><li><a href='groovy-4-0-3-released'>Groovy 4.0.3 Released</a></li><li><a href='groovy-3-highlights'>Groovy 3 Highlights</a></li><li><a href='groovy-3-0-0-beta1'>Groovy 3.0.0-beta-2 Released</a></li><li><a href='groovy-3-0-0-beta2'>Groovy 3.0.0-beta-2 Windows Installer Released (Community Release)</a></li><li><a href='groovy-2-5-7-and'>Groovy 2.5.7 and 3.0.0-beta-1 Windows Installers Released (Community Artifacts)</a></li><li><a href='groovy-3-0-0-beta'>Groovy 3.0.0-beta-1 Released</a></li><li><a href='groovy-2-4-17-released'>Groovy 2.4.17 Released</a></li><li><a href='groovy-2-5-7-released'>Groovy 2.5.7 Released</a></li><li><a href='groovy-2-5-6-released'>Groovy 2.5.6 Released</a></li><li><a href='groovy-3-0-0-alpha'>Groovy 3.0.0-alpha-4 Released</a></li><li><a href='groovy-3-0-0-alpha1'>Groovy 3.0.0-alpha-4 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-5-5-windows'>Groovy 2.5.5 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-5-5-released'>Groovy 2.5.5 released</a></li><li><a href='groovy-2-4-16-windows'>Groovy 2.4.16 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-4-16-released'>Groovy 2.4.16 Released</a></li><li><a href='groovy-2-5-4-released'>Groovy 2.5.4 Released</a></li><li><a href='groovy-2-5-4-windows'>Groovy 2.5.4 Windows Installer Released (Community Artifact)</a></li><li><a href='apache-groovy-committer-graeme-rocher'>Apache Groovy committer Graeme Rocher receives Oracle Groundbreaker award</a></li><li><a href='groovy-2-5-3-released'>Groovy 2.5.3 Released</a></li><li><a href='gmavenplus-1-6-2-released'>GMavenPlus 1.6.2 Released (Community Artifact)</a></li><li><a href='groovy-2-5-3-windows'>Groovy 2.5.3 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-5-2-windows'>Groovy 2.5.2 Windows Installer Released (Community Artifact)</a></li><li><a href='groovy-2-5-2-released'>Groovy 2.5.2 released</a></li><li><a href='groovy-2-5-1-released'>Groovy 2.5.1 released</a></li><li><a href='announce-announcing-codenarc-1-2'>[ANNOUNCE] Announcing CodeNarc 1.2</a></li><li><a href='fun-with-obfuscated-groovy'>Fun with obfuscated Groovy</a></li></ul></div><div class='col-lg-8 col-lg-pull-0'><h1>Blogs for Groovy</h1><div id='chartdiv'></div><p>Here you can find the Blogs for the Groovy programming language:</p><div id='blog-list'><div><span>Search: </span><input type='text' class='search'/></div><ul class='list'><li><p class='name'><a href='groovy-null-processing'>Groovy Processing Nulls In Lists</a><br/>Published by Paul King on 2023-02-06</p></li><li><p class='name'><a href='groundhog-day'>Groundhog Day</a><br/>Published by Paul King on 2023-02-02<br/>Inspired by a recent tweet, this blog looks at some datetime manipulations to calculate the period between Groundhog day and the start of Spring.</p></li><li><p class='name'><a href='fun-with-rating-stars'>Fun with rating stars</a><br/>Published by Paul King on 2023-01-25<br/>Inspired by a recent tweet, this blog looks at producing a string of stars corresponding to a rating.</p></li><li><p class='name'><a href='apache-groovy-2022-year-in'>Apache Groovy 2022 Year In Review</a><br/>Published by on 2022-12-29<br/>This post looks back at some highlights for Groovy in 2022.</p></li><li><p class='name'><a href='adventures-with-groovyfx'>Adventures with GroovyFX</a><br/>Published by Paul King on 2022-12-12<br/>This blog looks at a GroovyFX TODO application.</p></li><li><p class='name'><a href='whiskey-clustering-with-groovy-and'>Whiskey Clustering with Groovy and Apache Ignite</a><br/>Published by Paul King on 2022-10-27<br/>This post looks at using Apache Ignite with Apache Groovy and the K-Means algorithm to cluster scotch whiskeys.</p></li><li><p class='name'><a href='deck-of-cards-with-groovy'>Deck of cards with Groovy, JDK collections and Eclipse Collections</a><br/>Published by Paul King on 2022-09-23<br/>Last updated: 2022-09-25<br/>This post highlights some code for modelling and manipulating cards with records, JDK collections, and Eclipse Collections.</p></li><li><p class='name'><a href='encryption-and-decryption-with-groovy'>Encryption and decryption with Groovy</a><br/>Published by Paul King on 2022-09-19<br/>This post looks at encrypting and decrypting data using Groovy with the AES and CAST5 algorithms.</p></li><li><p class='name'><a href='calculating-fibonacci-with-groovy-revisited'>Calculating Fibonacci with Groovy revisited</a><br/>Published by on 2022-09-08<br/>This post looks at various ways to calculate Fibonacci numbers such as recursion and iteration including optimisations like tail recursion and memoization.</p></li><li><p class='name'><a href='groovy-list-processing-cheat-sheet'>Groovy List Processing Cheat Sheet</a><br/>Published by Paul King on 2022-08-28</p></li><li><p class='name'><a href='detecting-objects-with-groovy-the'>Detecting objects with Groovy, the Deep Java Library (DJL), and Apache MXNet</a><br/>Published by Paul King on 2022-08-01<br/>This post looks at using Apache Groovy, DLJ and Apache MXNet to use neural networks to detect objects within an image.</p></li><li><p class='name'><a href='groovy-release-train-4-0'>Groovy release train</a><br/>Published by on 2022-07-24<br/>Groovy 4.0.4, 3.0.12 and 2.5.18 Release Announcement.</p></li><li><p class='name'><a href='comparators-and-sorting-in-groovy'>Comparators and Sorting in Groovy</a><br/>Published by Paul King on 2022-07-21</p></li><li><p class='name'><a href='classifying-iris-flowers-with-deep'>Classifying Iris Flowers with Deep Learning, Groovy and GraalVM</a><br/>Published by Paul King on 2022-06-25<br/>This post looks at classifying Iris flowers using traditional and neural net based approaches using Eclipse DeepLearning4j, Encog, Deep Netts and GraalVM.</p></li><li><p class='name'><a href='groovy-4-0-3-released'>Groovy 4.0.3 Released</a><br/>Published by Paul King on 2022-06-15<br/>Groovy 4.0.3 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-highlights'>Groovy 3 Highlights</a><br/>Published by on 2020-02-13<br/>A summary of the highlights for Groovy 3.</p></li><li><p class='name'><a href='groovy-3-0-0-beta1'>Groovy 3.0.0-beta-2 Released</a><br/>Published by Remko Popma on 2019-07-15<br/>Groovy 3.0.0-beta-2 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-beta2'>Groovy 3.0.0-beta-2 Windows Installer Released (Community Release)</a><br/>Published by Remko Popma on 2019-07-15<br/>Groovy 3.0.0-beta-2 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-7-and'>Groovy 2.5.7 and 3.0.0-beta-1 Windows Installers Released (Community Artifacts)</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 2.5.7 and 3.0.0-beta-1 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-beta'>Groovy 3.0.0-beta-1 Released</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 3.0.0-beta-1 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-4-17-released'>Groovy 2.4.17 Released</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 2.4.17 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-7-released'>Groovy 2.5.7 Released</a><br/>Published by Remko Popma on 2019-05-12<br/>Groovy 2.5.7 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-6-released'>Groovy 2.5.6 Released</a><br/>Published by Remko Popma on 2019-02-04<br/>Groovy 2.5.6 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-alpha'>Groovy 3.0.0-alpha-4 Released</a><br/>Published by Remko Popma on 2019-01-01<br/>Groovy 3.0.0-alpha-4 Release Announcement.</p></li><li><p class='name'><a href='groovy-3-0-0-alpha1'>Groovy 3.0.0-alpha-4 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2019-01-01<br/>Groovy 2.4.16 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-5-windows'>Groovy 2.5.5 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-12-24<br/>Groovy 2.5.5 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-5-released'>Groovy 2.5.5 released</a><br/>Published by Remko Popma on 2018-12-24<br/>Groovy 2.5.5 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-4-16-windows'>Groovy 2.4.16 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-12-18<br/>Groovy 2.4.16 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-4-16-released'>Groovy 2.4.16 Released</a><br/>Published by Remko Popma on 2018-12-18<br/>Groovy 2.4.16 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-4-released'>Groovy 2.5.4 Released</a><br/>Published by Remko Popma on 2018-11-12<br/>Groovy 2.5.4 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-4-windows'>Groovy 2.5.4 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-11-12<br/>Groovy 2.5.4 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='apache-groovy-committer-graeme-rocher'>Apache Groovy committer Graeme Rocher receives Oracle Groundbreaker award</a><br/>Published by Paul King on 2018-10-24<br/>Congratulations to Graeme Rocher for receiving the Oracle Groundbreaker award.</p></li><li><p class='name'><a href='groovy-2-5-3-released'>Groovy 2.5.3 Released</a><br/>Published by Remko Popma on 2018-10-14<br/>Groovy 2.5.3 Release Announcement.</p></li><li><p class='name'><a href='gmavenplus-1-6-2-released'>GMavenPlus 1.6.2 Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-10-14<br/>GMavenPlus 1.6.2 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-3-windows'>Groovy 2.5.3 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-10-14<br/>Groovy 2.5.3 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-2-windows'>Groovy 2.5.2 Windows Installer Released (Community Artifact)</a><br/>Published by Remko Popma on 2018-08-19<br/>Groovy 2.5.2 Windows Installer Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-2-released'>Groovy 2.5.2 released</a><br/>Published by Remko Popma on 2018-08-16<br/>Groovy 2.5.2 Release Announcement.</p></li><li><p class='name'><a href='groovy-2-5-1-released'>Groovy 2.5.1 released</a><br/>Published by Remko Popma on 2018-07-14<br/>Groovy 2.5.1 Release Announcement.</p></li><li><p class='name'><a href='announce-announcing-codenarc-1-2'>[ANNOUNCE] Announcing CodeNarc 1.2</a><br/>Published by Remko Popma on 2018-07-10<br/>CodeNarc 1.2 Release Announcement.</p></li><li><p class='name'><a href='fun-with-obfuscated-groovy'>Fun with obfuscated Groovy</a><br/>Published by on '2022-12-08T00:40:23+00:00'<br/>This post looks at some Obfuscated code for outputting some well-known text.</p></li></ul><ul class='pagination'/></div></div></div></div></div><footer id='footer'>
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