Java8Practice/pom.xml at master · abhishekomp/Java8Practice · GitHub

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <!-- Maven POM model version — always 4.0.0 for Maven 2/3/4 -->
    <modelVersion>4.0.0</modelVersion>

    <!--
        Project coordinates — uniquely identify this artifact in a Maven repository.
          groupId    : reverse-domain organisation name
          artifactId : name of the jar/module
          version    : SNAPSHOT = work in progress, not a stable release
    -->
    <groupId>org.abhishek</groupId>
    <artifactId>Java8Practice</artifactId>
    <version>1.0-SNAPSHOT</version>

    <!--
        ─────────────────────────────────────────────────────────────
        PROPERTIES
        Central place to define versions and compiler settings.
        Referencing them as ${property.name} keeps the POM DRY
        (Don't Repeat Yourself) — change a version here once and
        it updates everywhere it is used below.
        ─────────────────────────────────────────────────────────────
    -->
    <properties>
        <!-- Java 21 (LTS) — enables: records, sealed classes, pattern matching,
             switch expressions, text blocks, Stream.toList(), and more. -->
        <maven.compiler.source>21</maven.compiler.source>
        <maven.compiler.target>21</maven.compiler.target>

        <!-- AssertJ — fluent, readable assertions in tests.
             e.g.  assertThat(result).isEqualTo("expected")  -->
        <assertj.version>3.19.0</assertj.version>
    </properties>

    <!--
        ─────────────────────────────────────────────────────────────
        DEPENDENCIES
        Libraries this project needs at compile / runtime / test time.
        <scope>test</scope> means the jar is only on the test classpath
        and will NOT be bundled into the production jar.
        ─────────────────────────────────────────────────────────────
    -->
    <dependencies>

        <!--
            JUnit Jupiter (JUnit 5) — the testing framework.
            This single aggregator dependency pulls in:
              - junit-jupiter-api       (write tests with @Test, @Tag, etc.)
              - junit-jupiter-engine    (run those tests)
              - junit-jupiter-params    (parameterised tests)
            Pin to a specific version instead of RELEASE for reproducible builds.
        -->
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter</artifactId>
            <version>5.10.2</version>
            <scope>test</scope>
        </dependency>

        <!--
            AssertJ Core — fluent assertion library.
            Produces much clearer failure messages than plain JUnit assertions
            and supports rich collection/string/exception assertions.
        -->
        <dependency>
            <groupId>org.assertj</groupId>
            <artifactId>assertj-core</artifactId>
            <version>${assertj.version}</version>
            <scope>test</scope>
        </dependency>

    </dependencies>

    <!--
        ─────────────────────────────────────────────────────────────
        BUILD
        Plugin configuration that controls how Maven compiles,
        tests, and packages the project.
        ─────────────────────────────────────────────────────────────
    -->
    <build>
        <plugins>

            <!--
                Maven Surefire Plugin — runs unit tests during the
                "test" lifecycle phase.
                Version 2.22.2+ is required for full JUnit 5 support.
                The <groups> property (set on the command line via
                -Dgroups="tagName") lets you filter which @Tag-annotated
                tests to run, e.g.:
                    mvn test -Dgroups="integration"
                    mvn test -Dgroups="ecomm-unit-tests"
            -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>3.2.5</version>
            </plugin>

        </plugins>
    </build>

</project>