Agile Development Basics

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Questions and Answers

What is the primary focus of the Agile manifesto?

Developing software through comprehensive documentation

Prioritizing customer collaboration over working software

Valuing individuals and interactions over processes and tools (correct)

Responding to change through contract negotiation

According to Agile principles, what is the role of the customer in the development process?

To provide and prioritize system requirements (correct)

To develop their own ways of working

To evaluate the iterations of the system only

To follow a plan without responding to change

What is the primary goal of incremental delivery in Agile development?

To focus on simplicity in the development process

To expect no changes in system requirements

To prioritize contract negotiation over customer collaboration

To develop software in increments with customer involvement (correct)

What does the Agile principle 'People not process' emphasize?

The recognition of the development team's skills Signup and view all the answers

What does the Agile principle 'Embrace change' imply?

Designing the system to accommodate changes Signup and view all the answers

What is the primary goal of the Agile principle 'Maintain simplicity'?

To actively eliminate complexity from the system Signup and view all the answers

What is a key aspect of the Agile manifesto?

Valuing individuals and interactions over processes and tools Signup and view all the answers

What is a core aspect of Agile development?

Developing software in increments with customer involvement Signup and view all the answers

What is the primary responsibility of a Product Owner in Scrum?

To prioritize product features and requirements Signup and view all the answers

What is the purpose of a Scrum meeting?

To review progress and prioritize work Signup and view all the answers

How long are Sprints typically in Scrum?

2-4 weeks Signup and view all the answers

What is the role of a ScrumMaster in Scrum?

To ensure Scrum process is followed Signup and view all the answers

What is Velocity in Scrum?

An estimate of how much product backlog can be covered in a sprint Signup and view all the answers

Who can play the role of a Product Owner in Scrum?

A customer or a product manager or other stakeholder Signup and view all the answers

What is the product backlog in Scrum?

A collection of product features or requirements Signup and view all the answers

What is the main difference between a ScrumMaster and a project manager?

ScrumMaster is responsible for ensuring Scrum process is followed Signup and view all the answers

What is one of the examples of refactoring in Agile software development?

Re-organization of a class hierarchy to remove duplicate code Signup and view all the answers

What is the primary goal of writing tests before code in Agile software development?

To clarify the requirements to be implemented Signup and view all the answers

What is a key feature of test-driven development?

Writing tests as part of the development process Signup and view all the answers

What is the role of the customer in the testing process?

To help develop acceptance tests for the stories Signup and view all the answers

What is a benefit of test-first development?

It ensures that the code is correct and meets the requirements Signup and view all the answers

What is an example of incremental test development?

Developing tests from scenarios Signup and view all the answers

What is the purpose of automated test harnesses?

To run all component tests each time a new release is built Signup and view all the answers

What is a key aspect of Agile software development?

Testing is central to the development process Signup and view all the answers

Study Notes

Agile Software Development

Agile development involves features, software requirements, user stories, and supplementary tasks like architecture definition and user documentation.

Product Owner

A product owner is an individual or small group responsible for identifying product features, prioritizing them, and continuously reviewing the product backlog to ensure the project meets business needs.
The product owner can be a customer, product manager, or stakeholder representative.

Scrum Terminology

Scrum is a daily meeting that reviews progress and prioritizes work for the day.
A ScrumMaster ensures the Scrum process is followed, guides the team, and interfaces with the company.
A ScrumMaster is not a project manager.
A Sprint is a development iteration, typically 2-4 weeks long.
Velocity is an estimate of how much product backlog effort a team can cover in a single sprint.

Agile Manifesto

The Agile manifesto values individuals and interactions over processes and tools, working software over comprehensive documentation, customer collaboration over contract negotiation, and responding to change over following a plan.

Principles of Agile Methods

Customer involvement is essential throughout the development process.
The software is developed in increments with the customer specifying requirements for each increment.
The skills of the development team should be recognized and exploited, with minimal prescriptive processes.
The system should be designed to accommodate changes and simplicity should be maintained in both the software and development process.

Refactoring

Refactoring involves reorganizing class hierarchies, tidying up and renaming attributes and methods, and replacing inline code with program library calls.

Test-First Development

Testing is central to XP, with tests written after every change.
XP testing features include test-first development, incremental test development from scenarios, user involvement, and automated test harnesses.

Test-Driven Development

Writing tests before code clarifies requirements and ensures they are implemented correctly.
Tests are written as programs, executed automatically, and include checks for correct execution.
All previous and new tests are run automatically when new functionality is added.

Customer Involvement

The customer helps develop acceptance tests for stories to be implemented in the next release.
The customer writes tests as development proceeds.

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Description

Learn about the basics of Agile development, including product owners, feature definitions, and user stories.