David R. HeffelfingerDavid R. Heffelfinger is an independent consultant based in the Washington D.C. area. He is a Java Champion, a member of the NetBeans Dream Team, and is a part of the JavaOne content committee. He has written several books on Java EE, application srvers, NetBeans, and JasperReports. His previous titles include Java EE 7 Development with NetBeans 8, Java EE 7 with GlassFish 4 Application Server, and JasperReports 3.5 For Java Developers, and others. David has been a speaker at software conferences such as JavaOne and Oracle Code on multiple occasions. He has also been a speaker at NetBeans Day in San Francisco and Montreal, showcasing NetBeans features that greatly enhance the development of Java EE applications. You can follow him on Twitter at @ensode. Read More Read Less