maven settings.xml

settings.xml

<?xml version="1.0" encoding="UTF-8" ?>
<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
  xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
  <profiles>
    <profile>
      <id>jdk8-default</id>
      <activation>
        <jdk>1.8</jdk>
      </activation>

      <properties>
        <project.java.version>1.8</project.java.version>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
      </properties>
    </profile>

    <profile>
      <id>jdk11-default</id>
      <activation>
        <jdk>11</jdk>
      </activation>

      <properties>
        <project.java.version>11</project.java.version>
        <maven.compiler.source>11</maven.compiler.source>
        <maven.compiler.target>11</maven.compiler.target>
      </properties>
    </profile>

    <profile>
      <id>encoding-default</id>
      <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
      </properties>
    </profile>

  </profiles>

  <activeProfiles>
    <activeProfile>encoding-default</activeProfile>
  </activeProfiles>
</settings>