Ralph E. Johnson Books

Design Patterns

By Richard Helm, Ralph E. Johnson, Ralph Johnson, Erich Gamma, Martin Fowler, John M. Vlissides, John Vlissides, Richard Helm, (Computer Scientist)

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The Gang of Four's seminal catalog of 23 patterns to solve commonly occurring design problems Patterns allow designers to create more flexible, elegant, and ultimately reusable designs without havi...

A Little Java, A Few Patterns

By Ralph E. Johnson, Daniel P. Friedman, Matthias Felleisen, Drawings By Duane Bibby, Matthias Felleisen, Daniel P. Friedman, Foreword By Ralph E. Johnson

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foreword by Ralph E. Johnson and drawings by Duane Bibby 'This is a book of 'why' not 'how.' If you are interested in the nature of computation and curious about the very idea behind object orienta...

Implementing Application Frameworks: Object-Oriented Frameworks At Work

By Ralph E. Johnson, Mohamed Fayad, Douglas C. Schmidt, Mohamed E. Fayad

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Object Technology A gold mine of enterprise application frameworks Implementing Application Frameworks While frameworks can save your company millions in development costs over time, the initial in...

Domain-Specific Application Frameworks: Frameworks Experience By Industry

By Ralph E. Johnson, Mohamed Fayad, Mohamed E. Fayad, Mohamed E. Fayad, Ralph E. Johnson

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Object Technology An invaluable collection of domain-specific frameworks Domain-Specific Application Frameworks Frameworks provide generic software architectures that can be reused, indefinitely, t...

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By Ralph E. Johnson, Ralph E. Johnson Jr.

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Transactions On Pattern Languages Of Programming Iv

By Ralph E. Johnson, Ralph Johnson, Johnson, Ralph, James Noble, Eugene Wallingford, Uwe Zdun

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The Transactions on Pattern Languages of Programming subline aims to publish papers on patterns and pattern languages as applied to software design, development, and use, throughout all phases of t...

Little Java, A Few Patterns

By Ralph E. Johnson, Duane Bibby, Daniel P. Friedman, Matthias Felleisen, Drawings By Duane Bibby, Matthias Felleisen, Daniel P. Friedman, Foreword By Ralph E. Johnson

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Little Java, A Few Patterns

By Ralph E. Johnson, Duane Bibby, Daniel P. Friedman, Matthias Felleisen

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Building Application Frameworks: Object-Oriented Foundations Of Framework Design

By Ralph E. Johnson, Mohamed Fayad, Douglas C. Schmidt, Mohamed E. Fayad, Mohamed E. Fayad, Douglas C. Schmidt, Ralph E. Johnson

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Object Technology The first experience-based guide to building object-oriented frameworks Building Application Frameworks By providing reusable skeletons on which to build new applications, framewo...

Poems By REJ

By Ralph E. Johnson

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.