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Commonly used Maven command quick reference manual: interpret commands and solve development problems

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Release: 2024-01-05 17:20:53
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Commonly used Maven command quick reference manual: interpret commands and solve development problems

Maven Command Quick Reference Manual: Interpret common commands, solve development problems, and require specific code examples

Introduction:
Maven is an excellent project construction tool , is widely used in the field of Java development. In terms of project construction, dependency management, testing, etc., Maven provides rich functions and flexible configuration options. However, for beginners, Maven has many commands and may be difficult to use. This article will interpret commonly used Maven commands, analyze their uses and parameters, provide developers with a quick search manual, and combine it with specific code examples to help solve common development problems.

1. Introduction to Maven commands

  1. mvn clean
    Function: Clear files generated by previous compilation.
    Example: mvn clean
  2. mvn compile
    Function: Compile the project source code into executable bytecode.
    Example: mvn compile
  3. mvn package
    Function: Package the project into a deployable file, such as JAR, WAR.
    Example: mvn package
  4. mvn install
    Function: Install the project's packaging file to the local warehouse for reference by other projects.
    Example: mvn install
  5. mvn deploy
    Function: Deploy the project's packaging file to the remote warehouse for reference by other team members or other projects.
    Example: mvn deploy
  6. mvn test
    Function: Execute unit testing of the project.
    Example: mvn test
  7. mvn package -Dmaven.test.skip=true
    Function: Skip the unit test process when packaging the project for quick build.
    Example: mvn package -Dmaven.test.skip=true
  8. mvn clean install
    Function: Clear the files generated by previous compilation and install the project packaging file to the local warehouse.
    Example: mvn clean install
  9. mvn clean package
    Function: Clear the files generated by previous compilation and package the project into a deployable file.
    Example: mvn clean package
  10. mvn clean deploy
    Function: Clear the files generated by previous compilation and deploy the project's packaging files to the remote warehouse.
    Example: mvn clean deploy

2. Common development scenarios and solutions

  1. Dependency conflict issues
    Maven can automatically resolve each library through dependency management version conflicts. When multiple libraries depend on different versions of the same library, Maven will choose the most suitable version based on the dependency graph. It should be noted that sometimes you need to manually specify the version number of a dependency to resolve conflicts.
    Example: Specify the dependent version through the tag in pom.xml.
  2. Multi-module project construction
    For large projects, they are usually built in modules. Each module can have its own pom.xml file. In the pom.xml of the root project, you can list all submodules through the tag to build multiple submodules at once.
    Example: Add the tag to the pom.xml of the root project and list the directories of all submodules.
  3. Customized life cycle
    Maven provides three standard life cycles by default: clean, default and site. But sometimes, we need to define our own life cycle based on project requirements to achieve a customized build process.
    Example: Use the tag in pom.xml to define a custom life cycle, and use the tag to reference it in the tag.

Conclusion:
This article provides developers with a quick search manual by interpreting commonly used Maven commands and analyzing their uses and parameters. At the same time, it helps developers solve common development problems through specific code examples. As a classic construction tool, Maven has been widely used and in-depth researched in the field of Java development. Mastering the skills of using Maven is crucial to improving development efficiency and project management. I hope this article can help developers and make them more proficient in using Maven to build their own projects.

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