Extending the language These topics cover extending Genero Business Development Language with other languages and external components. The Java interfaceThe Java interface allows you to import Java classes and instantiate Java objects in your programs.C-ExtensionsWith C-Extensions, you can bind your own C libraries in the runtime system, to call C function from the application code.User-defined front callsFront-ends can be extended with custom functions to access specific features.Web ComponentsImplement specialized form elements with Web Components.