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🏛️ COBOL Programming
🛒 Buy the Book
You can buy the complete book with detailed explanations, code examples on:
📗 Amazon Paperback
📘 Kindle Edition
📕 Amazon Hardcover
📱 Google Play Books
🎧 Audiobook
🍎 Apple Book
🌐 Books to Read
📘 What This Book Covers
This book is divided into several chapters, each focusing on a key aspect of COBOL programming:
- Introduction to COBOL: An overview of the language, its history, and its applications.
- COBOL Syntax and Structure: Detailed explanations of COBOL’s syntax, including data division, procedure division, and program control.
- Data Handling in COBOL: Understanding how COBOL handles data types, variables, and file systems.
- File Processing: Techniques for reading, writing, and managing files, which is a core strength of COBOL.
- Advanced Topics: Exploring advanced features like performance optimization and interfacing with modern technologies.
Throughout this book, you will find code examples, exercises, and tips to help you gain practical experience. You’ll also explore real-world case studies from industries where COBOL remains essential.
🎯 By the end of this book, you will confidently write and maintain COBOL programs for both legacy and modern enterprise systems.
📚 Table of Contents
📖 Introduction to COBOL
- History of COBOL
- Importance of COBOL in Legacy Systems
- Modern Relevance of COBOL in Enterprise Computing
- Conclusion
💻 Development Environment
- Installing COBOL Compilers
- Setting Up a COBOL Development Environment
- COBOL File Structure and Extensions
- Conclusion
🧱 Program Structure
- Overview of COBOL Program Structure
- Divisions in COBOL Overview
- Comprehensive Example
- End of Chapter Exercises
- Conclusion
🆔 Identification Division
- Overview of the Identification Division
- Components, Syntax, Naming, Best Practices
- Common Mistakes and Examples
- Exercises and Solutions
- Conclusion
🌍 Environment Division
- Overview and Components
- Syntax, Naming, Best Practices
- Common Mistakes and Examples
- Exercises and Solutions
- Conclusion
🧮 Data Division
- Sections of Data Division
- Data Types, Variables, and Level Numbers
- Redefines, Renames, Arrays, Usage Clauses
- Initialization, Literals, Examples
- Exercises and Solutions
- Conclusion
⚙️ Procedure Division
- Structure and COBOL Verbs
- Best Practices and Common Mistakes
- Examples
🔁 Control Structures
- Conditional and Looping Statements
- Best Practices and Mistakes
- Examples and Exercises
- Solutions and Conclusion
🗂️ File Handling
- Sequential, Indexed, Relative File Processing
- Error Handling, Best Practices, Mistakes
- Examples, Exercises, Solutions, Conclusion
📊 COBOL Tables
- Single and Multi-Dimensional Tables
- Indexing, SEARCH and SEARCH ALL
- Best Practices, Mistakes, Examples
- Exercises, Solutions, Conclusion
🧪 Advanced Data Handling
- OCCURS, DEPENDING ON
- COPY/REPLACE, Pointers, String Ops
- Best Practices, Examples
- Exercises, Solutions, Conclusion
🧩 Subprograms and Modular Programming
- CALL, LINKAGE SECTION, Data Sharing
- Static vs Dynamic Linking
- Best Practices, Mistakes, Examples
- Exercises, Solutions, Conclusion
🐞 Debugging and Error Handling
- Common Errors, Debugging Tools
- Declaratives, Best Practices
- Exercises, Solutions, Conclusion
🛢️ COBOL and Databases
- DB2 Integration and Embedded SQL
- CICS Programming and Transactions
- Best Practices, Mistakes, Exercises
- Solutions and Conclusion
🧬 COBOL and Modern Systems
- Mainframes, Batch vs Online
- COBOL with Java/.NET
- Exercises, Solutions, Conclusion
🛠️ Best Practices in COBOL Programming
- Maintainable Code, Optimization
- Documentation and Modularization
- Exercises, Solutions, Conclusion
🧪 Testing COBOL Programs
- Unit and Integration Testing
- Handling Production Issues
- Exercises, Solutions, Conclusion
🔁 Migration and Interoperability
- Legacy Migration, Conversion Tools
- APIs, Web Services
- Best Practices, Conclusion
🧠 Advanced COBOL Topics
- OO-COBOL, Multithreading
- Unicode and Internationalization
- Best Practices, Exercises, Solutions, Conclusion
📂 COBOL Project
- Project Lifecycle: Design to Deployment
- Documentation, Best Practices
- Sample Project and Exercises
- Solutions and Conclusion
📎 Appendices
- A: Reserved Words
- B: Error Codes
- C: Glossary of Terms