what are the advantages of Jenkins?

its an open source tool used for building and Continuous Integration (CI) & Continuous Deployment (CD)

Advantage of Jenkins include At integration stage, build failures are cached For each code commit changes an automatic build report notification generates To notify developers about build report success or failure, it is integrated with LDAP mail server Achieves continuous integration agile development and test driven development With simple steps, maven release project is automated Easy tracking of bugs at early stage in development environment than production