diff --git a/free-programming-books.md b/free-programming-books.md
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@@ -837,37 +837,37 @@
 
 
 ###Java
+* [Animation/Games in Java](http://www.heatonresearch.com/articles/series/3)
 * [Apache Jakarta Commons: Reusable Java Components](http://ptgmedia.pearsoncmg.com/images/0131478303/downloads/Iverson_book.pdf) - Will Iverson
 * [Artificial Intelligence - Foundation of Computational Agents](http://artint.info/html/ArtInt.html)
-* [Data Structures and Algorithms with Object-Oriented Design Patterns in Java](http://www.brpreiss.com/books/opus5/html/page9.html)
 * [Category wise tutorials - J2EE](http://www.mkyong.com/)
-* [Think Java: How to Think Like a Computer Scientist](http://greenteapress.com/thinkapjava/) - Allen B. Downey
+* [Core Servlets and JavaServer Pages](http://pdf.coreservlets.com/) - Marty Hall and Larry Brown
+* [Data Structures and Algorithms with Object-Oriented Design Patterns in Java](http://www.brpreiss.com/books/opus5/html/page9.html)
+* [Google's Java Style Guide](http://google-styleguide.googlecode.com/svn/trunk/javaguide.html)
+* [HTTP Programming Recipes for Java Bots](http://www.heatonresearch.com/articles/series/16)
+* [Introduction to Computer science using Java](http://chortle.ccsu.edu/java5/index.html)
+* [Introduction to Neural Networks with Java](http://www.heatonresearch.com/articles/series/1) -
+* [Introduction to Programming in Java](http://introcs.cs.princeton.edu/java/home/)- Robert Sedgewick and Kevin Wayne
+* [Introduction to Programming Using Java](http://math.hws.edu/javanotes/) - David J. Eck
 * [Introduction to Programming Using Java](http://math.hws.edu/javanotes/) - David J. Eck
 * [JAAS in Action](http://www.jaasbook.com/)
 * [Java Application Development on Linux by Carl Albing and Michael Schwarz (PDF)](http://www.phptr.com/content/images/013143697X/downloads/013143697X_book.pdf) (PDF)
+* [Java for the Beginning Programmer](http://www.heatonresearch.com/articles/series/15)
 * [Java Programming for Kids, Parents and Grandparents](http://myflex.org/books/java4kids/java4kids.htm) - Yakov Fain
-* [Practical Artificial Intelligence Programming With Java, Third Edition](http://www.markwatson.com/opencontent/JavaAI3rd.pdf) - Mark Watson
-* [The Java EE6 Tutorial](http://download.oracle.com/javaee/6/tutorial/doc/javaeetutorial6.pdf) (PDF)
 * [Java Thin-Client Programming](http://www.redbooks.ibm.com/redbooks/SG245118.html)
 * [Learning Java (4th Edition)](http://chimera.labs.oreilly.com/books/1234000001805/index.html) - Patrick Niemeyer
+* [OOP - Learn Object Oriented Thinking & Programming](http://pub.bruckner.cz/titles/oop) - Rudolf Pecinovsky
+* [Open Data Structures (in Java)](http://opendatastructures.org/ods-java.pdf) (PDF)
 * [OSGi in Practice](http://njbartlett.name/files/osgibook_preview_20091217.pdf) (PDF)
+* [Practical Artificial Intelligence Programming With Java, Third Edition](http://www.markwatson.com/opencontent/JavaAI3rd.pdf) - Mark Watson
 * [Sun's Java Tutorials](http://download.oracle.com/javase/tutorial/)
-* [Thinking in Java](http://www.mindview.net/Books/TIJ/)
-* [Open Data Structures (in Java)](http://opendatastructures.org/ods-java.pdf) (PDF)
-* [OOP - Learn Object Oriented Thinking & Programming](http://pub.bruckner.cz/titles/oop) - Rudolf Pecinovsky
+* [The Java EE6 Tutorial](http://download.oracle.com/javaee/6/tutorial/doc/javaeetutorial6.pdf) (PDF)
 * [The Java Language Specification](http://java.sun.com/docs/books/jls/) - James Gosling, Bill Joy, Guy Steele, Gilad Bracha
 * [The Java Tutorial 4th Edition](http://download.oracle.com/javase/tutorial/) - Sharon Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, Tom Risser, Mark Hoeber
-* [Core Servlets and JavaServer Pages](http://pdf.coreservlets.com/) - Marty Hall and Larry Brown
-* [Introduction to Programming Using Java](http://math.hws.edu/javanotes/) - David J. Eck
-* [Introduction to Programming in Java](http://introcs.cs.princeton.edu/java/home/)- Robert Sedgewick and Kevin Wayne
-* [Introduction to Neural Networks with Java](http://www.heatonresearch.com/articles/series/1) -
-* [Animation/Games in Java](http://www.heatonresearch.com/articles/series/3)
-* [Java for the Beginning Programmer](http://www.heatonresearch.com/articles/series/15)
-* [HTTP Programming Recipes for Java Bots](http://www.heatonresearch.com/articles/series/16)
+* [Think Java: How to Think Like a Computer Scientist](http://greenteapress.com/thinkapjava/) - Allen B. Downey
+* [Thinking in Java](http://www.mindview.net/Books/TIJ/)
 * [Tutorial: Java, Maven 2, Eclipse & JSF](http://www.lulu.com/shop/arulkumaran-kumaraswamipillai-and-sivayini-arulkumaran/tutorial-java-maven-2-eclipse-jsf/ebook/product-1603040.html;jsessionid=E57B1E8662500F2ADF96D7B317769B6E) - Arulkumaran Kumaraswamipillai, Sivayini Arulkumaran
 * [Welcome to Java for Python Programmers](http://interactivepython.org/runestone/static/java4python/index.html) - Brad Miller
-* [Introduction to Computer science using Java](http://chortle.ccsu.edu/java5/index.html)
-* [Google's Java Style Guide](http://google-styleguide.googlecode.com/svn/trunk/javaguide.html)
 
 ####Wicket
 * [Official Free Online Guide for Apache Wicket framework](http://wicket.apache.org/guide/)