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Continuous Integration is an automated process of integrating code changes from multiple developers into a shared repository frequently, often several times a day. By doing this early and often, developers can quickly identify integration issues, resolve conflicts, and ensure software quality. Continuous Integration tools like Jenkins, Travis CI, and CircleCI provide automation to build, test, and deploy code changes as they are committed, allowing teams to deliver software faster and more reliably. As a subcategory of Software Deployment, it plays an essential role in the software development lifecycle by ensuring that code is properly integrated, tested, and deployed to production environments with minimal manual intervention. By leveraging Continuous Integration within the broader context of Software and Software Integration, teams can improve collaboration, reduce risk, and accelerate time-to-market for their software products.