Quick & Easy: Install Zulu Java on Raspberry Pi
Download Zulu Java
wget https://cdn.azul.com/zulu-embedded/bin/zulu11.45.27-ca-jdk11.0.10-linux_aarch32hf.tar.gz
mkdir -p /usr/lib/jvm/ && cd /usr/lib/jvm/
tar zxvf zulu11.45.27-ca-jdk11.0.10-linux_aarch32hf.tar.gz
Configure Zlulu Java as default
update-alternatives --install /usr/bin/java java /usr/lib/jvm/zulu11.45.27-ca-jdk11.0.10-linux_aarch32hf/bin/java 100
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/zulu11.45.27-ca-jdk11.0.10-linux_aarch32hf/bin/javac 100
update-alternatives --display java && update-alternatives --display javac
Check if its installed
java -version && javac -version