This week's book giveaways are in the Scala and Android forums. We're giving away four copies each of Machine Learning Systems: Designs that scale and Xamarin in Action: Creating native cross-platform mobile apps and have the authors on-line! See this thread and this one for details.
I write a simple EJB program in the JBuilder5, I also write a client class,but when I execute the client class there is always a error: "Could not find the main class,Program will exit!" I have main method in the client class,but Jbuilder don't recognize it ? what it mean on earth? please explian to me in detail, ang how to solve it?