Guide on Pair Programming
What is Pair Programming?
Pair Programming is a technique employed in Agile methodologies, most notably in Extreme Programming (XP), whereby two software developers work together at one workstation. One, called the 'driver', writes the code while the other, the 'observer' or 'navigator', reviews each line of code as it is typed in.
Why is Pair Programming Important?
Pair programming enhances technical skills, team communication, and product quality. It reduces bugs, spreads knowledge across the team, and promotes a better understanding of the codebase.
How does Pair Programming work?
Pair Programming involves two roles: the 'Driver' controls the keyboard/mouse, focuses on the tactical aspects of the task, coding in real-time, and Unit tests; the 'Observer' or 'Navigator', focuses on strategic work, think ahead, monitors design and code quality.
Exam Tips: Answering Questions on Pair Programming
1. Explain the roles: Driver and Navigator in detail.
2. Discuss the benefits of Pair Programming in terms of quality and learning benefits.
3. The concept of rotation in Pair Programming might be asked, explain how developers switch roles for exposure.
4. You may be asked about drawbacks. Address them in the context of misunderstandings and inefficiencies if not properly implemented.
5. Use case or real life examples of when to use Pair Programming, and when not to use it.
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Pair Programming practice test
Pair Programming is a practice of Extreme Programming (XP) where two developers work together on the same code at one workstation. One developer, called the 'driver', writes the code, while the other, the 'navigator', reviews each line of code as it is typed in real-time. The roles are frequently switched for an effective collaborative approach. Pair Programming facilitates knowledge sharing, increases code quality, and reduces the risk of errors making it a highly valuable practice in Agile environments.
Time: 5 minutes Questions: 5
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Professional Scrum Master I Preparation Package (2024)
- 3547 Superior-grade Professional Scrum Master I practice questions.
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- Unlock Effortless PSM I preparation: 5 full exams.
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- bonus: If you upgrade now you get upgraded access to all courses