Chapter 3. Software Design Principles

   

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Before looking at the technical aspects of what makes a good software application we should establish what we think constitutes good software.

A good software application should:

• Enable small changes in users' needs to be accommodated by small changes in the code

• Be delivered on time and on budget

• Function mostly to expectations

• Be easy to use

• Be maintainable

• Perform well

• Fail gracefully

• Be secure

• Work reliably

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