Table of Contents
1. Install Maven
2. Create a Maven project
3. Compile and run the project
4. Add dependencies
5. Build multi-module projects
Conclusion
Home Java javaTutorial Starting from Scratch: Mastering Maven to Create and Manage Java Projects

Starting from Scratch: Mastering Maven to Create and Manage Java Projects

Feb 19, 2024 pm 10:26 PM
java project management maven

Starting from Scratch: Mastering Maven to Create and Manage Java Projects

Start from the beginning: teach you how to use Maven to create and manage Java projects, specific code examples are required

As a Java developer, it is important to be proficient in project construction tools important. Among many build tools, Maven is a widely used tool that can help developers create and manage Java projects efficiently. This article will teach you how to create and manage Java projects through Maven from scratch, while providing specific code examples to help you get started faster.

1. Install Maven

First, you need to install Maven on your machine. You can find the latest Maven version and download the installation package on Maven's official website (https://maven.apache.org). After the installation is complete, enter the following command on the command line to verify whether Maven is installed successfully:

mvn -v
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If you see the Maven version information, it means that Maven was installed successfully.

2. Create a Maven project

Now let us start creating a new Maven project. In the command line, execute the following command:

mvn archetype:generate -DgroupId=com.example -DartifactId=my-project -DarchetypeArtifactId=maven-archetype-quickstart -DinteractiveMode=false
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The above command will create a new project using the quick start template provided by Maven. In this example, com.example is the groupId of the project, and my-project is the artifactId of the project. After execution, you will see a folder named my-project in the current directory. This is the Maven project we just created.

3. Compile and run the project

Enter the my-project project directory and execute the following command to compile the project:

mvn compile
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After the compilation is successful, we You can run the unit tests of the project:

mvn test
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If all tests pass, we can package the project and run:

mvn package
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The above command will generate a jar in the target directory Bag. You can run the project through the following command:

java -cp target/my-project-1.0-SNAPSHOT.jar com.example.App
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4. Add dependencies

A complete Java project usually depends on some third-party libraries, we can pass it in the project's pom. Add dependencies to the xml file to manage these libraries. Taking adding log4j as an example, open the pom.xml file in the project and add the following dependencies:

<dependencies>
    <dependency>
        <groupId>log4j</groupId>
        <artifactId>log4j</artifactId>
        <version>1.2.17</version>
    </dependency>
</dependencies>
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After saving the file, execute the following command to make the dependencies take effect:

mvn install
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5. Build multi-module projects

In actual development, we may need to build multi-module projects. Maven allows us to achieve this by creating a parent project to manage multiple subprojects. The following is a simple multi-module project structure example:

parent-project
│   pom.xml
│
└─── child-module1
│     │   pom.xml
│     │
└─── child-module2
      │   pom.xml
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In the parent project's pom.xml, we can introduce subprojects:

<modules>
    <module>child-module1</module>
    <module>child-module2</module>
</modules>
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Each subproject It has its own pom.xml file to manage the dependencies and configuration of the subproject.

Conclusion

Through the introduction of this article, I believe you have a preliminary understanding of how to use Maven to create and manage Java projects. By mastering Maven, you can develop and manage Java projects more efficiently and improve work efficiency. I hope the specific code examples provided in this article can help you get started with Maven faster. I wish you greater success in Java development!

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