import ktm.lordui.nativeOperations.dynamicJavaCode.DynamicClassPrototype; import ktm.lordui.data.Memory; public class LorduiDynamicClass extends DynamicClassPrototype { public void run(Memory state) { } }To be able to compile the java code, Java JDK 1.6 or newer has to be properly installed. Also the system Path has to be set properly.