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sudo -i
wget -qO - https://adoptopenjdk.jfrog.io/adoptopenjdk/api/gpg/key/public | sudo apt-key add -
sudo add-apt-repository --yes https://adoptopenjdk.jfrog.io/adoptopenjdk/deb/
sudo apt install -y software-properties-common
sudo apt update
sudo apt install adoptopenjdk-14-hotspot

sudo -i
mkdir /opt/tools
cd /opt/tools
wget http://apache.crihan.fr/dist/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz
tar -xvf apache-maven-3.6.3-bin.tar.gz
sudo ln -s /opt/tools/apache-maven-3.6.3 /opt/maven
sudo nano /etc/profile.d/maven.sh

/* Coller 
export JAVA_HOME=/usr/lib/jvm/adoptopenjdk-14-hotspot-amd64/
export M2_HOME=/opt/maven
export MAVEN_HOME=/opt/maven
export PATH=${M2_HOME}/bin:${PATH}

chmod +x /etc/profile.d/maven.sh
source /etc/profile.d/maven.sh