Ubuntu configure which java

After the installation is complete, verify it by checking the Java version: java -version The output will look like this: openjdk version " If your application runs on Java 8, you can install it by typing the following command: sudo apt update sudo apt install openjdkjdk Verify the installation by checking the Java version: java -version The output will look like this: openjdk version "1. How to Uninstall Java on Ubuntu For example, if you want to delete a package default-jdk just run the command: sudo apt remove openjdkjdk Conclusion OpenJDK 11 and OpenJDK 8 are available in the default Ubuntu Beginner's Guide.

Installing Linux 5. Try these 5 Alternatives Apps September 19, If we have a HDD in Linux, is it necessary to defragment? September 9, Improve this answer. Community Bot 1. On its own this just changes the compiler - see the answer below for update-java-alternatives which handles switching all of the java-related alternatives, which is 82 on my system. Add a comment. And then sudo update-alternatives --config [javac java javadoc etc. Chang-Uk Shin 3 2 2 bronze badges. WillC WillC 1, 12 12 silver badges 13 13 bronze badges.

The first command needs no sudo : — Al. Johannes Wachter Johannes Wachter 2 2 silver badges 3 3 bronze badges. I changed that one manually, but I wonder whether there is something missing in the update-java-alternatives in that regard. You can use this script. Thiago Thiago 11 1 1 bronze badge. Mwongera Mwongera 2 2 bronze badges. Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. The easiest option for installing Java is to use the version packaged with Ubuntu. By default, Ubuntu Verify that the JDK is installed by checking the version of javac , the Java compiler:. Then you can use apt to install it with help from a third party installation script. To find out which version you need, visit the oracle-javainstaller page.

In this image, the version of the script is Then visit the Downloads page and locate the version that matches the one you need. Click the. Select the checkbox to accept the license agreement and press the Download button.

Your download will begin. You may need to log in to your Oracle account one more time before the download starts. On your local machine, upload the file to your server. How to change the default Java version on Ubuntu. Bonus: Use Script to Switch Java Version If you frequently switch between different Java versions, it is a good idea to write a short script to automate the process.

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