Java cmd установить Raspbian
sudo apt-get install default-jdk
Fair Flatworm
sudo apt-get install default-jdksudo apt update
sudo apt install default-jdksudo update-alternatives --install /usr/bin/java java /opt/jdk/zulu11.31.16-ca-jdk11.0.3-linux_aarch32hf/bin/java 1
sudo update-alternatives --install /usr/bin/javac javac /opt/jdk/zulu11.31.16-ca-jdk11.0.3-linux_aarch32hf/bin/javac 1