HaalCentraal KVK module
· The HaalCentraal KVK module provides functionality to retrieve information about an organization from the Handelsregister (HR).
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window haalcentraal-hr-0.1.0.RELEASE.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.