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What Is Pair Programming?

publish date: 2026/06/04 11:20:0.913244 UTC

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The diagram below summarises the key benefits of pair programming.

Which statement best describes pair programming as practised in XP?

One programmer writes code while the other writes the project documentation

Two programmers work independently on the same feature and then merge their code

Programmers work in pairs, actually sitting together at the same workstation to develop software — pairs are created dynamically so all team members work with each other during the development process

A senior programmer reviews a junior programmer's code after it has been written

Correct Answer

Explanation

In XP, programmers work in pairs and actually sit together at the same workstation to develop software. However, the same pairs do not always program together — pairs are created dynamically so that all team members work with each other during the development process.

Reference

Software Engineering, Ian Sommerville, 9th edition

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Pair Programming