Ed Yourdon Quotes

9 Sourced Quotes

If you think your management doesn't know what it's doing or that your organisation turns out low-quality software crap that embarrasses you, then leave.

Ed Yourdon
To us, analysis is the study of a problem domain, leading to a specification of externally observable behavior; a complete, consistent, and feasible statement of what is needed; a coverage of both functional and quantified operational characteristics (e. g. reliability, availability, performance).

Ed Yourdon
Unless you are very rich and very eccentric, you will not enjoy the luxury of a computer in your own home.

Ed Yourdon
A system composed of 100,000 lines of C++ is not be sneezed at, but we don't have that much trouble developing 100,000 lines of COBOL today. The real test of OOP will come when systems of 1 to 10 million lines of code are developed.

Ed Yourdon
Designed as a companion volume to the acclaimed Object-Oriented Analysis, this book focuses on the middle part of the software lifecycle: the activity of design. It shows readers how to apply object-oriented design, and how to tailor and expand the method to suit specific organization and project needs. Readers will explore the major issues in OOD; the role of OOD in the systems lifecycle; how to use graphical notation; strategies for creating design; and hints for evaluating the efficiency of a design created with OOD. For software engineers and other users undertaking real-world systems development projects and designing overall software architecture for systems will find this reference approach to improving systems design indispensable.

Ed Yourdon
Elements (lines of code) in a coincidentally-cohesive module have no relationship. Typically occurs as the result of modularizing existing code, to separate out redundant code.

Ed Yourdon
[Object-oriented analysis is] the challenge of understanding the problem domain and then the system's responsibilities in that light.

Ed Yourdon
Subject. A Subject is a mechanism for guiding a reader (analyst, problem domain expert, manager, client) through a large, complex model. Subjects are also helpful for organizing work packages on larger projects, based upon initial OOA investigations.

Ed Yourdon
There is nothing in the programming field more despicable than an undocumented program

Ed Yourdon