java maven build source version

java-maven-Compile build source version

https://maven.apache.org/plugins/maven-compiler-plugin/examples/set-compiler-source-and-target.html

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.7.0</version>
            <configuration>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin>
    </plugins>
</build>