Janino

Janino: A small Java embedded compiler that can compile a set of source files to a set of class files and other useful tasks

Janino is a simple Java embedded compiler that can compile sets of source files to sets of class files, process blocks or source files, Java expressions and class bodies. You can also use this app to analyze and manipulate static code in an efficient manner.

To use Janino, you will need to have JAVA SE Development Kit and a compatible IDE installed on your machine. The program integrates with JBoss Ruless, Drools and Apace Commons JCI.

It bundles features from Java 1.4, 5 and 7, thus you will find functions like interface, package and class declration, class variabile initializer, “enum” declaration, enhanced “for” statement, annotation type declaration, static imports, strings in the “switch” statement and many others.