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Maven, Git & SDLCIntermediateVCS-08

What do <parent> and <dependencyManagement> (BOM) help with in a pom?

Options

  1. Naming the project and listing all of its modules
  2. Centralizing versions so modules stay consistent (Correct option)
  3. Running the tests faster using parallel threads
  4. Publishing the project to Git on every build

Answer

Centralizing versions so many dependencies and modules stay consistent without repeating version numbers

Why

<parent>: your pom inherits configuration from another pom. spring-boot-starter-parent sets plugin defaults and dependency versions.

<dependencyManagement>: lists versions in one place. Children and dependencies then omit <version>. A BOM (Bill of Materials) is a pom that only does this, such as spring-boot-dependencies; you import it and get a tested set of compatible versions.

Benefits: fewer conflicts, one place to upgrade, multi-module projects stay aligned.

<parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>3.3.0</version>
</parent>

Remember

Parent pom or BOM = one place that decides versions.

Key terms

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