The actual product name for this one is "watsonx Code Assistant for Z", as the author could have found with a simple web search:
https://www.google.com/search?q=watsonx+cobol+java
https://newsroom.ibm.com/2023-08-22-IBM-Unveils-watsonx-Gene...
Disclosure: I work for IBM in "watsonx Orders", an automated order taker for restaurant drive-thrus.