A fast and furious and safe library for evaluating user-defined (e.g. from configuration or an API) Java[TM] expressions at runtime using Janino.

With this library you can:

• make your application flexible with fast user-defined business rules from configuration or an API or ...
• build predicates and arithmetic expressions at runtime and evaluates them as fast as compiled code does

As documentation, please use JavaExpressionEvaluator.

As a usage example, please use JavaExpressionEvaluatorTest.

You can also use this library to get a list of classes from the java.base module.