Check the Jave version maven is using

Simply run mvn -version

mvn -version

Apache Maven 3.6.2 (40f52333136460af0dc0d7232c0dc0bcf0d9e117; 2019-08-28T01:06:16+10:00)
Maven home: /opt/maven
Java version: 13.0.1, vendor: Oracle Corporation, runtime: /Library/Java/JavaVirtualMachines/jdk-13.0.1.jdk/Contents/Home
Default locale: en_AU, platform encoding: UTF-8
OS name: "mac os x", version: "10.15.1", arch: "x86_64", family: "mac"