Content in this box is provided by Microsoft. The goal of the J+N initiative is to help Java independent software vendors extend the Java solutions with complementary .NET technologies that interoperate with Java. Enhancing Java with .NET improves user experience and offers additional business use cases and capabilities for mixed platform solutions:
http://www.infoq.com/news/java-dotnet-together
http://www.infoq.com/articles/java-dotnet-integration-intro
http://www.infoq.com/resource/news/Article-Simple-JAVA-and-NET-SOA/en/resources/javadotnetintegrationscenarios.pdf