In terms of fast-growing market competition, companies follow the agile approach to ensure a quick product release without losing its quality. Providing a ready feature after every Sprint, agile methodology ensures an unremitting process of software development.
Even 100% code coverage does not guarantee that your software is perfect. But code coverage metrics can help to optimize QA process, thus, save project budget. It is measured according to several levels like fucntion, statement, decision, condition (MC/DC & MCC), et.