install java in ubuntu 20.04
# Java in ubuntu
# first check if java is already installed or not using
java -version
# install openjdk (Java Development Kit)
sudo apt install default-jdk
# it will ask for confirmation...around 480 MB will be downloaded
# this will install both the latest jdk and jre of openjdk distribution
# check for java
java -version
#check for javac
javac -version
# If you only want to install jre and not jdk, just run
sudo apt install default-jreinstall java on ubuntu 20.04
apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EA8CACC073C3DB2ACopyright © 2021 Codeinu
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