Install Maven on Debian 10
apt-get install unzip
From Apache Maven web site
wget https://mirrors.ucr.ac.cr/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip unzip apache-maven-3.6.3-bin.zip -d /opt echo 'export PATH=$PATH:/opt/apache-maven-3.6.3/bin' >> /etc/profile
From repository
apt-get install maven