java debian install

java debian install:

#!/bin/bash
echo "enter java url:"
read url
path="/usr/lib/jvm"
gurl ${url} > /tmp/java.tar.gz
tar xvfz /tmp/java.tar.gz -C ${path} 

echo "CTRL+C to abort, or any key to continue..."
read
for app in java javac javadoc javap;
do 
    update-alternatives --remove-all ${app}
    update-alternatives --install /usr/bin/${app} ${app} ${path}/jdk-19.0.2/bin/${app} 1
done