How Does Maven Work? A Simple Guide for Beginners
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Ever wondered what happens behind the scenes when you run a Maven command? It's like a well-oiled factory. Maven follows a specific set of rules and steps to turn your source code into a finished product, like a JAR or WAR file.
The Three Repositories
Maven doesn't just look for files on your computer. it uses a clever system of repositories to find exactly what your project needs:
- Local Repository: This is a folder on your own machine where Maven stores everything it has downloaded before.
- Central Repository: If Maven can't find a library locally, it goes to the "Central" hub on the internet to fetch it.
- Remote Repository: Sometimes companies have their own private "vaults" for custom code that Maven can also access.
The Build Lifecycle
When you tell Maven to "build," it goes through a lifecycle. It starts by cleaning up old files, then compiles your code, runs tests to make sure everything works, and finally packages it up. Because this process is standardized, any developer can pick up your project and build it with a single command!
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