Mastering COBOL Programming
This second edition of Mastering Cobol Programming is a comprehensive guide to good programming practice, program design and code. It contains two new chapters, on Intrinsic Functions and Program Errors, Testing and Debugging. Each chapter has been revise
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COBOL Programming
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Mastering
COBOL
Progra......ing
Second edition Roger Hutty Head of Computer Science Department School of Computing Sciences De Montfort University Leicester
and
Mary Spence Senior Lecturer Department of Information Systems School of Computing Sciences De Montfort University Leicester
Series Editor
Timothy Davies Computer Consultant
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Roger Hutty 1990. Roger Hutty and Mary Spence 1997
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Any person who does any unauthorised act in relation to this publication may be liable to criminal prose 21 000210 DISPLAY your-name " is over 21" 000220 ELSE 000230 is 21 or under " DISPLAY your-name 000240 000250 END-IF STOP RUN . 000260 Figure 1.2
A simple COBOL program
Only the IDENTIFICATION DIVISION is mandatory; the other three are optional. However, if the optional di
