Software Development
What is software development?
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Art of making good maintainable software
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Be ready for change!
Good Developer
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Specialist in one area.
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Lacks ability to change quickly according to present trends.
Excellent Developer
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'Jack of all trades, master of none'
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Moves from one framework to another with minimal fuss.
Scenarios
- Languages like BASIC, COBOL now defunct
- So do the developers just go out of business or go back to school?
Breadth First Learning
"When I need to know more about something, then I dig into it and learn what I need to know. Breadth first, depth as needed."
- Just a Programmer
Qualities of a good Software?
Some expected answers
- Correctness (Do what it's supposed to do)
- Available (Not in development phase, in the market)
- Efficiency (Complete tasks efficiently
- Ease of Use (Not hard to learn)
- Maintainability (Easy to fix errors)
How to develop good software?
Ans: Have a plan
The plan followed is called software development practice
Popular Software Development Practices
- Waterfall Model (Oldest)
- Prototyping Model
- Evolutionary Model
- Spiral Model
- Agile (Most recent and gaining popularity)
Common stages in all practices
- Feasibility Study
- Requirements & Analysis
- Design
- Coding
- Testing
- Maintenance (Most arduous, surprising uh!!)