Cobol
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Book 1
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Book 1
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Book 1
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Cobol: An Introduction for Beginners

Cobol: An Introduction for Beginners


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About the Book

In a world captivated by fleeting tech trends, COBOL stands as the unsung hero, quietly powering the global economy. While often dismissed as a relic, this language is the bedrock of finance, government, and countless industries, processing trillions of dollars in daily transactions. If you've ever used an ATM, booked a flight, or filed taxes, you've witnessed COBOL's unwavering reliability. This book demystifies the so-called "dinosaur," revealing it as a powerhouse of stability and precision that isn't just surviving-it's thriving. It serves as a practical guide for the modern beginner, proving that learning COBOL offers a unique and valuable edge in today's tech landscape. This is not a theoretical textbook but a hands-on journey into the world of mission-critical computing. You will start from the very beginning, setting up a complete COBOL development environment on your personal laptop-no mainframe required. The guide walks you through the language's deliberate, English-like syntax and its rigorously organized structure. You will learn why COBOL's famous four DIVISIONS provide a blueprint for creating code that is exceptionally clear, self-documenting, and maintainable for decades. This structured approach instills a discipline and attention to detail that will sharpen your skills in any programming language you learn. Dive deep into the essential mechanics of business-oriented programming, from mastering data types with the precision required for financial calculations to controlling program flow with structured loops and conditional logic. The book provides comprehensive chapters on COBOL's legendary file handling capabilities, teaching you to create and manage the sequential, indexed, and relative files that form the backbone of enterprise data processing. You will also learn the art of sorting and merging massive datasets with simple, powerful verbs, a core skill for any large-scale batch processing environment. Beyond the fundamentals, this guide explores advanced techniques that transform a novice into a professional. You will learn to write clean, reusable code through modular programming with subprograms, master debugging techniques to solve cryptic errors, and adopt industry-standard best practices that ensure your code is robust and efficient. The book culminates by connecting these foundational skills to the world of Modern COBOL, showing how legacy systems are evolving to integrate with cloud platforms, APIs, and contemporary development tools, making you an indispensable asset in the ongoing modernization of our world's most critical software.


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Product Details
  • ISBN-13: 9798273909557
  • Publisher: Independently Published
  • Publisher Imprint: Independently Published
  • Height: 229 mm
  • No of Pages: 290
  • Returnable: N
  • Sub Title: An Introduction for Beginners
  • Width: 152 mm
  • ISBN-10: 8273909557
  • Publisher Date: 10 Nov 2025
  • Binding: Paperback
  • Language: English
  • Returnable: N
  • Spine Width: 15 mm
  • Weight: 444 gr


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