Murach's Mainframe COBOL |
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| Chapter 5 | How to use the COBOL features for structured coding | |
| Introduction to structured programming | 146 | |
| The three valid structures | 146 | |
| The principles of substitution and combination | 148 | |
| From theory to practice | 148 | |
| Shop standards for structured coding | 150 | |
| How to code conditions | 152 | |
| How to code relation, sign, and class tests | 152 | |
| How to code compound conditions | 154 | |
| How to code and use condition names | 156 | |
| How to code selection and iteration structures | 158 | |
| How to code If statements | 158 | |
| How to code nested If statements | 160 | |
| How to code Perform Until statements with tests before and after | 162 | |
| When and how to code inline Perform statements | 164 | |
| How to code Perform statements with Varying and Times clauses | 166 | |
| How to use Evaluate statements | 168 | |
| How to use an Evaluate statement instead of nested If statements | 168 | |
| How to use Evaluate statements to implement case structures | 170 | |
| The complete syntax of the Evaluate statement | 172 | |
| Other features for improved coding | 174 | |
| How to use Set to True statements | 174 | |
| When and how to use structured delimiters | 176 | |
| When and how to use Not clauses | 178 | |
| A program that prepares a two-level summary report | 180 | |
| The program specifications | 180 | |
| The structure chart | 182 | |
| The COBOL code for the primary control module | 184 | |
| Three paragraphs written with a modern coding style | 186 | |
| Perspective | 188 | |
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© Copyright 1998-2009 Mike Murach & Associates, Inc. All rights reserved. |
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