OOP support Describes Object Oriented Programming basics in the language. Understanding classes and objects The Genero language supports basic Object Oriented Programming (OOP) concepts. DEFINE ... package.class Object reference variables allow to manipulate class instances. Distinguish class and object methods Class methods can be invoked from the class, while object methods can only be invoked from the variable referencing the object. Working with objects This topic describes basic object usage in Genero BDL. What class packages exist? A set of utility packages including useful classes are part of the distribution.