March 2014
Intermediate to advanced
588 pages
15h 43m
English
Content preview from Beginning COBOL for Programmers
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
Start your free trial
CHAPTER 19
OO-COBOL
This chapter introduces you to OO-COBOL. This book adheres to the ANS 85 COBOL standard, so ISO 2002 OO-COBOL is somewhat outside its remit. The ANS 85 version of COBOL was designed to bring structured programming to COBOL, but failings in the way contained subprograms were implemented meant this version did not fully live up to its promise. However, the structured programming weaknesses of ANS 85 COBOL are remedied by OO-COBOL, and the chapter examines OO-COBOL from this perspective. In this chapter, you see how OO-COBOL can be used to create informational strength modules that fully realize Parnas’s1 idea of information ...