century:principles_of_software_engineering
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| century:principles_of_software_engineering [2012/07/24 16:24] – mithat | century:principles_of_software_engineering [2012/07/25 16:00] – [Modularity] mithat | ||
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| ====== Principles of Software Engineering ====== | ====== Principles of Software Engineering ====== | ||
| Mithat Konar\\ | Mithat Konar\\ | ||
| - | July 23, 2012 | + | July 24, 2012 |
| ===== Adapted from ===== | ===== Adapted from ===== | ||
| - | + | [[http:// | |
| - | * Ghezzi, Carlo, Mehdi Jazayeri, and Dino Mandrioli. " | + | |
| ===== Introduction ===== | ===== Introduction ===== | ||
| Line 33: | Line 32: | ||
| ===== The principles ===== | ===== The principles ===== | ||
| * Rigor and formality | * Rigor and formality | ||
| - | * Modularity | ||
| * Separation of concerns | * Separation of concerns | ||
| + | * Modularity | ||
| * Abstraction | * Abstraction | ||
| * Anticipation of change | * Anticipation of change | ||
| Line 41: | Line 40: | ||
| ===== The principles ===== | ===== The principles ===== | ||
| - | * **Rigor and formality** | + | * **Rigor and formality** |
| - | * Modularity | + | |
| * Separation of concerns | * Separation of concerns | ||
| + | * Modularity | ||
| * Abstraction | * Abstraction | ||
| * Anticipation of change | * Anticipation of change | ||
| Line 67: | Line 66: | ||
| * interoperability | * interoperability | ||
| * reusability | * reusability | ||
| + | |||
| + | ===== The principles ===== | ||
| + | * Rigor and formality | ||
| + | * **Separation of concerns** | ||
| + | * Modularity | ||
| + | * Abstraction | ||
| + | * Anticipation of change | ||
| + | * Generality | ||
| + | * Incremantality | ||
| ===== Separation of concerns ===== | ===== Separation of concerns ===== | ||
| Line 87: | Line 95: | ||
| * Behavior: Javascript | * Behavior: Javascript | ||
| * [[separation of concerns example|example code]] | * [[separation of concerns example|example code]] | ||
| + | |||
| + | ===== The principles ===== | ||
| + | * Rigor and formality | ||
| + | * Separation of concerns | ||
| + | * **Modularity** | ||
| + | * Abstraction | ||
| + | * Anticipation of change | ||
| + | * Generality | ||
| + | * Incremantality | ||
| ===== Modularity ===== | ===== Modularity ===== | ||
| - | * Divide | + | * Division of the system into smaller //modules// |
| - | * Typically results it a tree of modules and submodules | + | |
| * // | * // | ||
| * " | * " | ||
| Line 103: | Line 119: | ||
| * Supports **anticipation of change** | * Supports **anticipation of change** | ||
| * Enhances quality of // | * Enhances quality of // | ||
| + | |||
| + | ===== The principles ===== | ||
| + | * Rigor and formality | ||
| + | * Separation of concerns | ||
| + | * Modularity | ||
| + | * **Abstraction** | ||
| + | * Anticipation of change | ||
| + | * Generality | ||
| + | * Incremantality | ||
| ===== Abstraction ===== | ===== Abstraction ===== | ||
| - | * In general use, abstraction means the process of considering something "apart from application to or association with a particular instance."< | + | * In general use: considering something "apart from application to or association with a particular instance."< |
| - | * In S/W Engineering, abstraction means wrapping a concept such that it: | + | * In S/W Engineering: wrapping a concept such that it: |
| * Expresses the concept only in terms of what is relevant | * Expresses the concept only in terms of what is relevant | ||
| * Shields the user from everything that's not relevant | * Shields the user from everything that's not relevant | ||
| Line 123: | Line 148: | ||
| * Programming process | * Programming process | ||
| * ... | * ... | ||
| + | |||
| + | ===== The principles ===== | ||
| + | * Rigor and formality | ||
| + | * Separation of concerns | ||
| + | * Modularity | ||
| + | * Abstraction | ||
| + | * **Anticipation of change** | ||
| + | * Generality | ||
| + | * Incremantality | ||
| ===== Anticipation of change ===== | ===== Anticipation of change ===== | ||
| Line 129: | Line 163: | ||
| * after release. | * after release. | ||
| * Process and code should be designed to support evolution. | * Process and code should be designed to support evolution. | ||
| + | |||
| + | ===== The principles ===== | ||
| + | * Rigor and formality | ||
| + | * Separation of concerns | ||
| + | * Modularity | ||
| + | * Abstraction | ||
| + | * Anticipation of change | ||
| + | * **Generality** | ||
| + | * Incremantality | ||
| ===== Generality ===== | ===== Generality ===== | ||
| Line 138: | Line 181: | ||
| * General problem might be easier to solve (or not). | * General problem might be easier to solve (or not). | ||
| * Supports quality of reuse | * Supports quality of reuse | ||
| + | |||
| + | ===== The principles ===== | ||
| + | * Rigor and formality | ||
| + | * Separation of concerns | ||
| + | * Modularity | ||
| + | * Abstraction | ||
| + | * Anticipation of change | ||
| + | * Generality | ||
| + | * **Incremantality** | ||
| ===== Incremantality ===== | ===== Incremantality ===== | ||
| - | *//[[http:// | + | *//A journey of a thousand miles begins with a single step.// ---Lao-tzu |
| * Development proceeds in a stepwise fashion (i.e., in // | * Development proceeds in a stepwise fashion (i.e., in // | ||
| + | * " | ||
| * Deliver subsets of a system early to get early feedback | * Deliver subsets of a system early to get early feedback | ||
| * Deliver prototype of the system and incrementally add effort to turn it into product | * Deliver prototype of the system and incrementally add effort to turn it into product | ||
| * Implement functionality, | * Implement functionality, | ||
| - | * " | ||
| * Supports **anticipation of change** | * Supports **anticipation of change** | ||
| * Example: [[http:// | * Example: [[http:// | ||
| Line 153: | Line 205: | ||
| * Conflicts among principles may arise. | * Conflicts among principles may arise. | ||
| * Software engineering is: | * Software engineering is: | ||
| - | * a new field and subject to change | + | * a new field and subject to change. |
| * made by humans for humans. | * made by humans for humans. | ||
| - | * Your contemplations and considerations | + | * Your contemplations and contributions |
| ===== Endnotes ===== | ===== Endnotes ===== | ||
century/principles_of_software_engineering.txt · Last modified: 2012/07/25 16:07 by mithat