System Requirements MV

Marvin Beans for Java

  • Java distributed by Oracle (or Apple's Mac OS X built-in Java)

  • Version: Java 1.6.0_45 ...8.xxx

    Java 9 is not supported.

Marvin Beans for .NET

  • .NET framework 3.5 SP1. Please note that .NET framework 4 does not include the version 3.5.

How to get Java?

You can download Java from Oracle's official site or contact your OS manufacturer.

If you use Mac OS X, probably Java is already installed on your machine. If not, select Java in the Software Update center to install or update.

Which Java do I need?

  • You need Java Runtime Environment (JRE) installed on your system to run applications and applets.

  • To develop applications and applets, you need the Java Development Kit (JDK), which includes the JRE.

  • Version: Java 1.6.0_45 or higher

Testing Java

  • If you are not sure whether Java is installed or not on Windows, you can check it the following way:

    1. Select Command Prompt from the Accessories sub-menu in the Start menu.

    2. Type the following commands in the opened Command Prompt window: java -version

    3. You will get the following error message if Java is not available on your machine: 

      'java' is not recognized as internal or external command, operable program or batch file

      If Java is installed, the version number of Java will be printed: 

      java version "1.6.0_31"
      Java(TM) SE Runtime Environment (build 1.6.0_31-b07)
      Java HotSpot(TM) 64-Bit Server VM (build 31.1-b02, mixed mode)

  • You can test whether Java is working on your computer on Oracle's official testing site, too.

How to get .NET framework?

.NET framework 3.5 SP1 is included in Windows 7 by default, however, is not automatically installed with Windows 8, Windows 8.1 or Windows 10.

In these operation systems it must be separately enabled to run applications that depend on it. For more information please see this page.

For other Windows OS you can download the .NET framework from Microsoft's official site.