If you have established, existing code in your native COBOL and Java projects, with some configuration of project settings
you can have the two types of project interoperating.
Java accessing COBOL working-storage (separate projects) The following example demonstrates a Java program from one project accessing a COBOL program's working-storage items from
another project, and displaying them within Java and updating their values.
Java calling COBOL (separate projects) The following example demonstrates a Java program from one project calling a COBOL program from another. It passes two arguments
to the COBOL and accepts a return value.