[mess] [maven] Java 11 support by maven compiler plugin

<build>
    <plugins>
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.0</version>
        <configuration>
          <release>11</release>
        </configuration>
      </plugin>
    </plugins>
</build>

原文地址：https://www.cnblogs.com/wander4096/p/9684132.html