Overview

Discover why COBOL remains one of the world's most essential programming languages-and learn how to program it using modern, free tools. This comprehensive beginner's guide teaches COBOL from the ground up using GnuCOBOL and Visual Studio Code, making enterprise programming accessible to everyone. Despite common misconceptions, COBOL isn't dead-it powers 95% of ATM transactions, 80% of in-person transactions, and processes trillions of dollars daily in banking, insurance, government, and healthcare systems worldwide. With experienced COBOL programmers retiring and demand surging, now is the perfect time to learn this lucrative skill. What You'll Learn: - Set up a professional COBOL development environment with free, open-source GnuCOBOL across Windows, macOS, and Linux - Master COBOL's four-division structure and coding conventions - Work with data types, PIC clauses, and variable declarations - Perform arithmetic operations and handle precision correctly - Implement control structures for decision-making and looping - Manipulate strings and process data efficiently - Handle file I/O including sequential, indexed, and relative files - Work with tables, arrays, and complex data structures - Create modular programs with subprograms and reusable code - Debug effectively using VS Code's integrated tools - Build real-world applications including banking systems and report generators Why This Book: Unlike outdated COBOL resources focusing on mainframe punch cards, this book teaches modern COBOL development using contemporary tools and workflows. You'll use Visual Studio Code with syntax highlighting, debugging, and Git integration-bringing COBOL into the 21st century. No prior programming experience required. What Makes COBOL Valuable: - Job Security: Critical shortage of COBOL programmers with systems requiring decades of maintenance - High Salaries: Experienced COBOL developers command premium rates - Enterprise Systems: Powers mission-critical applications in Fortune 500 companies - Longevity: Skills remain relevant as legacy systems continue operating indefinitely - Modernization Projects: Companies actively seeking developers to maintain and update COBOL systems Hands-On Learning: Each chapter includes practical examples, exercises, and tips. Progress from ""Hello World"" to building complete applications like banking systems and data processors. Sample code available in companion GitHub repository. Real-World Projects: - Simple banking application with account management - Report generator for business intelligence - Data processor for batch operations - Integration examples with modern technologies Who This Book Is For: - Complete programming beginners seeking a lucrative career path - Students interested in enterprise software development - Career changers targeting high-demand, well-paying positions - Developers maintaining or modernizing legacy systems - IT professionals needing COBOL skills for organizational needs Bonus Content: - Quick reference guide for COBOL keywords - GnuCOBOL command reference - VS Code shortcuts and configuration tips - Career guidance and certification information - Resources for continued learning

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