Open Source in the world of software is amazing. Developers share and distribute source codes with each other. SourceForge is one of the well-known platforms. I have registered my first Open Source project in SourceForge. The project is called Mark Six Analyst at https://sourceforge.net/projects/marksixanalyst/ . It is a simple tool to forecast the result of Hong Kong lottery or so-called Mark Six by various statistics methods. For the success of the project, I would like to thank Java, JavaDB (Apache Derby), Java Swing, Java Persistence API, TopLink, Hibernate Entity Manager, NetBeans and CsvReader. Because of them, developing a software application becomes rapidly quicker and the developed application becomes more stable and much easily maintained. Especially for Java Persistence API or called JPA, developers are less annoyed to handle entity EJBs and Object-Relational Mapping. It is helpful for developing an application with a database of complicated entity relationships. On the ot...