Last but not least, using TDD from the start ensures 100% code coverage

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The test suite then truly becomes a safety net for future changes, encouraging code refactoring and creating a virtuous circle of quality.

Incremental Design : Practicing incremental design means that you need to invest in your application design every day, looking for opportunities to remove duplication and making small improvements to achieve the best possible design for what your system needs today.

Continuous Integration : In XP, you integrate your work into a main shared repository multiple times a day, which triggers automatic builds of the entire system. Integrating as early and as often as possible dramatically reduces the cost of integration because it reduces the likelihood of merge and logical conflicts. It also exposes environmental and dependency issues.

Shared Code (Collective Ownership) : XP promotes shared code or collective ownership: spain rcs data each developer is responsible for all the code. If we consider the principle of diversity, it promotes information sharing, reduces the team bus factor and increases the overall quality of each module.

Single codebase : A single codebase is also known as “trunk-based development.” It means there is a single source of truth. So instead of developing in isolation for long periods of time, merge your contributions into a single stream early and often. Feature flags help limit your use of features until they are complete.