![]() ![]() The JRE is required to run Java programs, but it does not include the tools for developing and The Java Runtime Environment (JRE) is Required to Run Java Programs You should choose the version that best suits your needs and requirements. There are different versions of JDK available for installation, including JDK 8, JDK 9, JDK 10, JDK 11, and JDK 17. Open the terminal and run the following command:Īlternatively, you can set the JAVA_HOME environment variable for a specific user by adding the same line to the ~/.bashrc file.ĭifferent Versions of JDK Available for Installation You can follow these steps to set the JAVA_HOME environment variable: It tells the system where to find the JDK installation directory. Setting the JAVA_HOME environment variable is essential for Setting the JAVA_HOME Environment Variable How to Install Oracle Java 11 on Ubuntu 20 04 LTS Verify that the default Java version has been set to JDK 11: Install JDK 11 using one of the methods described above.Ĭhoose the JDK 11 option from the list and press Enter. ![]() To upgrade from Java 8 to Java 11, follow these steps: To check the installed version of Java, run the following command in the terminal: ![]() Sudo update-alternatives -install "/usr/bin/java" "java" "/opt/jdk-11.0.12/bin/java" 1Ĭhecking the Installed Version and Upgrading from Java 8 to Java 11 Move the extracted folder to the /opt directory: ![]() You can also download the required file and install it manually using the following steps: Sudo apt-get install oracle-java11-installerĭownloading the Required File and Installing It Sudo add-apt-repository ppa:linuxuprising/java On Ubuntu is by using the upstream repo/PPA. Save and close the file, then reload the environment variables:Īlternative Methods for Installing JDK 11 on Ubuntu Sudo update-alternatives -install "/usr/bin/java" "java" "/usr/local/java/jdk-11.0.12/bin/java" 1Īdd the following line to the end of the file: Move the extracted folder to the /usr/local/java directory: Run the following command to extract the archive: Open the terminal and navigate to the directory where you downloaded the file. Go to the official Oracle JDK 11 download page for Linux 圆4:Īccept the license agreement and download the required file. If you want to download and install Oracle JDK 11, you can follow these steps: If OpenJDK 11 is not installed, you can install it via the command line using the following command: ![]()
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