Overview - Mixed Language Programming

Applications produced with Net Express can contain programs written in both COBOL and other languages, such as C. COBOL programs call non-COBOL programs using the standard COBOL CALL ... USING statement.

Although you pass parameters to non-COBOL programs in the broadly the same way as to COBOL programs, the interfaces to programs in different languages differ from each other and they need to correspond. The interfaces differ over matters, such as:

Note: Net Express includes support specifically for working with Java and Enterprise JavaBeans. Information on this support is included in your Java and COBOL book.