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Maven:
- Maven is a tool for project management and build automation. It is based on the Project Object Model (POM), managing steps such as building, reporting, and documentation.
- Maven uses a central repository to manage dependencies, automatically downloading required libraries and simplifying dependency management.
- Maven manages the project lifecycle, including stages like compilation, testing, and packaging.
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Ant:
- Ant is an older build tool, primarily used for compiling, testing, and packaging Java applications.
- Ant uses XML files (referred to as build.xml) to describe the build process, allowing users to flexibly define custom tasks.
- Ant does not provide dependency management features like Maven, typically requiring manual configuration of library paths.
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Jenkins:
- Jenkins is a server for continuous integration (CI) and continuous deployment (CD), automating various software development processes such as building, testing, and deployment.
- Jenkins integrates with various build tools like Maven and Ant, supporting extended functionality through plugins and seamless integration into any toolchain.
- Jenkins supports the Master-Slave architecture, enabling distributed execution of multiple build tasks to improve resource utilization and build efficiency.
In summary, Maven and Ant primarily focus on managing the build process, while Jenkins provides a platform for automating and monitoring these tasks. Maven offers dependency management and lifecycle management, while Ant provides greater flexibility. Jenkins is used for automating continuous integration and continuous deployment.