How to update java in ubuntu?

by aliya.yundt , in category: General Help , 2 years ago

How to update java in ubuntu?

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2 answers

by alysson_lynch , 2 years ago


To update Java in Ubuntu, you can use the apt-get command. Here's how:

  1. Open a terminal window by pressing Ctrl + Alt + T on your keyboard.
  2. Type the following command and press Enter:
sudo apt-get update

This command will update the list of available packages and their versions.

  1. Next, type the following command to install the latest version of Java:
sudo apt-get install default-jre

This will install the Java Runtime Environment (JRE) on your system. If you want to install the Java Development Kit (JDK), which includes the JRE and additional development tools, use the following command instead:

sudo apt-get install default-jdk

  1. Once the installation is complete, you can verify that Java is installed by running the following command:
java -version

This will print the version of Java that is installed on your system.

Note: These instructions are for Ubuntu, but the process for updating Java on other Linux distributions is similar. Just make sure to use the correct package manager for your distro.

by bobbie.kris , 7 months ago


Please note that the above instructions will install the default version of Java available in the Ubuntu repositories. If you need to install a specific version or update to a newer version, you may need to use alternative methods.

To install a specific version of Java, you can use a tool like "ppa:webupd8team/java" or download the Java package from the official website and install it manually.

Here's an alternative method using the "ppa:webupd8team/java" repository:

  1. Open a terminal window.
  2. Add the PPA repository by running the following command: sudo add-apt-repository ppa:webupd8team/java You may need to enter your password to confirm the addition of the repository.
  3. Update the package list: sudo apt-get update
  4. Install the desired Java version: For Java 8, run: sudo apt-get install oracle-java8-installer For Java 9, run: sudo apt-get install oracle-java9-installer For Java 10, run: sudo apt-get install oracle-java10-installer For Java 11, run: sudo apt-get install oracle-java11-installer During the installation, you may be prompted to accept the Oracle License Agreement. Use the Tab key to navigate to the "OK" option and press Enter to continue.
  5. Verify the installation by running: java -version This command will display the version of Java installed on your system.

Remember to adjust the version number in the installation command based on your requirements.