$wget https://download.oracle.com/java/17/latest/jdk-17_linux-x64_bin.tar.gz
$tar -zxvf jdk-17_linux-x64_bin.tar.gz
$vim /etc/profile
export JAVA_HOME=/usr/lib/jvm/jdk17
export JRE_HOME=${JAVA_HOME}/jre
export CLASSPATH=.:${JAVA_HOME}/lib:${JRE_HOME}/lib
export PATH=${JAVA_HOME}/bin:$PATH
$update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk17/bin/java 300
$update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk17/bin/javac 300
$update-alternatives --config java
