Which artifact centralizes plugin and dependency versions across modules?

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Multiple Choice

Which artifact centralizes plugin and dependency versions across modules?

Explanation:
When you want to keep all module versions in sync, you use a BOM, a Bill of Materials POM. A BOM itself doesn’t produce artifacts; instead it defines a curated set of versions in its dependencyManagement (and often pluginManagement) sections. Modules import this BOM, which makes those versions the one source of truth. That means dependencies and plugins across modules resolve to the same versions without each module having to specify them explicitly, ensuring consistency in a multi-module build. Aparent POM can coordinate versions across its children, but the BOM is the dedicated artifact designed to be imported by modules to share version information. Settings.xml holds user-level Maven configuration like repositories and proxies, not version alignment across modules. A child POM is just a module’s own POM and cannot centralize versions for all modules.

When you want to keep all module versions in sync, you use a BOM, a Bill of Materials POM. A BOM itself doesn’t produce artifacts; instead it defines a curated set of versions in its dependencyManagement (and often pluginManagement) sections. Modules import this BOM, which makes those versions the one source of truth. That means dependencies and plugins across modules resolve to the same versions without each module having to specify them explicitly, ensuring consistency in a multi-module build.

Aparent POM can coordinate versions across its children, but the BOM is the dedicated artifact designed to be imported by modules to share version information. Settings.xml holds user-level Maven configuration like repositories and proxies, not version alignment across modules. A child POM is just a module’s own POM and cannot centralize versions for all modules.

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