![]() You will see multiple options if you have different versions installed in your system: sudo update-alternatives -config java Run the update-alternatives command to set the default java version. sudo update-alternatives -install /usr/bin/java java /usr/lib/jvm/jdk-14.0.1/bin/java 1 deb package then it will be installed in /usr/lib/jvm directoryĬreate a symbolic link for Java with Oracle JDK. Sudo tar -zxvf jdk-8u251-linux-圆4.tar.gz -C /usr/lib/jvm/īy default, If you install Oracle JDK via. Install Oracle Java JDK In Ubuntu 20.04 LTS using the apt command. ![]() In an alternative method, you can download and install Oracle JAVA via command line: wget -no-check-certificate -no-cookies -header "Cookie: oraclelicense=accept-securebackup-cookie" You can use either the command line or browser to download the JDK in Ubuntu 20.04 LTS. There is no separate Java Runtime Environment as Oracle JDK v9.x and above now includes JRE as well. Java JRE 8 sudo apt install -y openjdk-8-jre-headless Java JRE 11 # sudo apt install -y openjdk-11-jre-headless Java JRE 8 sudo apt install -y openjdk-8-jreĭefault JRE ie JRE 11 sudo apt install -y default-jre-headless Java JRE 11 sudo apt install -y openjdk-11-jre Java JDK 8 sudo apt install -y openjdk-8-jdk-headlessĭefault JRE ie JRE 11 sudo apt install -y default-jre Java JDK 11 sudo apt install -y openjdk-11-jdk-headless Java JDK 8 sudo apt install -y openjdk-8-jdkĭefault JDK ie JDK 11 sudo apt install -y default-jdk-headless Java JDK 11 sudo apt install -y openjdk-11-jdk JDK ( Default JDK 11) sudo apt install -y default-jdk Install OpenJDK or Oracle Java as per your requirement.įirst, update the repository index. JRE: JAVA Runtime Environment or JRE is for running Java applications. JDK: Java Development Kit or JDK is a development environment that is used for developing Java Applications. We hope you know the differences between JRE and JDK. We will install JAVA, JRE, and JDK in this tutorial post. Tutorial To install JAVA On Ubuntu 20.04 LTS
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