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Java™ for COBOL Programmers, Third Edition by John C. Byrne

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I’ll continue to extend the examples in order to explore other Java concepts.

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The principle of data encapsulation is similar to the difference between a subroutine’s WORKING-STORAGE and its LINKAGE SECTION.

COBOL specifies that items in a subroutine’s WORKING-STORAGE can only be viewed and modified by the subroutine. Conversely, items in a subroutine’s ...

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