Stellen Sie die Java -Version für Ubuntu 20.04 fest
$ sudo update-alternatives --config java
Tanishq Vyas
$ sudo update-alternatives --config javasudo apt update
sudo apt install openjdk-11-jdk
sudo apt update
sudo apt install openjdk-8-jdksudo apt-get install openjdk-11-jdk
sudo apt-get update && sudo apt-get upgrade
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EA8CACC073C3DB2A