I am using Visual COBOL (V6.0) for Visual Studio 2019. I need to know how can my native Cobol app communicate with another REST API written in JAVA. Please help!
This is documented under the section for using the Interface Mapping Toolkit (IMTK) which can be found here: If you click on the link for Generating Clients you will find information on this topic.
There are also Tutorials available which show how to deploy COBOL programs as various types of REST services here: