A modern programming language that makes developers happier.

kotlinlang

&lt;build&gt;
        &lt;plugins&gt;
            &lt;plugin&gt;
                &lt;groupId&gt;org.apache.maven.plugins&lt;/groupId&gt;
                &lt;artifactId&gt;maven-compiler-plugin&lt;/artifactId&gt;
                &lt;version&gt;3.6.1&lt;/version&gt;
                &lt;configuration&gt;
                    &lt;source&gt;1.8&lt;/source&gt;
                    &lt;target&gt;1.8&lt;/target&gt;
                &lt;/configuration&gt;
            &lt;/plugin&gt;