Software Development, Design, and Coding: With Patterns, Debugging, Unit Testing, and Refactoring

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2024

J. F. Dooley, V. A. KazakovaSoftware Development, Design, and Codinghttps://doi.org/10.1007/979-8-8688-0285-0_2

2. Software Process Models

John F. Dooley¹   and Vera A. Kazakova²

(1)

Galesburg, IL, USA

(2)

Columbia, MD, USA

 

If you don’t know where you’re going, any road will do.

If you don’t know where you are, a map won’t help.

—Watts Humphrey

The process of developing software is commonly described as the Software Development Lifecycle (SDLC). Every program, no matter how small, has a life cycle, broadly composed of the following steps:

1. 1.

   Conception

    
2. 2.

   Requirements gathering/exploration/modeling

    
3. 3.

   Design

    
4. 4.

   Coding and debugging

    
5. 5.

   Testing

    
6. 6.

   Release

    
7. 7.

   Maintenance/software ...