https://docs.oracle.com/javase/jp/10/tools/idlj.htm
idlj
You use the idlj command to generate Java bindings for a specified Interface Definition Language (IDL) file.
https://docs.oracle.com/javase/8/docs/technotes/tools/windows/idlj.html
idlj
This document contains reference information for the tools that are installed with Java Development Kit (JDK).