<dependency> <groupId>org.joor</groupId> <artifactId>joor</artifactId> <version>0.9.12</version> </dependency> String className = "com.example.MyClass"; Object instance = on(className).create().get(); String methodName = "myMethod"; Object result = on(instance).call(methodName).get(); Field field = on(instance).field("myField").get();