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Interface Design — Why Unambiguous

publish date: 2026/05/31 02:47:41.378339 UTC

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Why must an interface specification in software design be unambiguous?

So that end-users can read and validate the interface specification directly

So that a component can be used without other components needing to know how it is implemented, enabling components to be designed and developed concurrently

So that it can be automatically converted into executable code

So that the database schema can be auto-generated from the interface

Correct Answer

So that a component can be used without other components needing to know how it is implemented, enabling components to be designed and developed concurrently

Explanation

An unambiguous interface specification means a component can be used without other components needing to know how it is implemented. Once interface specifications are agreed, the components can be designed and developed concurrently.

Reference

Software Engineering, Ian Sommerville, 9th edition

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