All you have to do now is to set the “JAVA_HOME” and “PATH” environment variables, and then you are done. Enter the following commands to set your environment variables. Ensure that your environment variables point to a valid installation of JDK on your machine. For Ubuntu 18.04, the ...
JAVA_HOME is an operating system environment variable that stores the location of the java installation folder. Every time a java program or application is run, this variable is invoked. You need to set up the JAVA_HOME variable correctly to run your java program otherwise you will encounter t...
If you arerunning Java programs on Ubuntuusing Eclipse,Mavenor Netbeans etc, you’ll need to set JAVA_HOME to your path. Otherwise, your system will complain that “java_home environment variable is not set”. In this beginner’s tutorial, I’ll show the steps to correctly set Java Home...
Remember that JAVA_HOME points to the root folder into which the JDK was installed. Do not point JAVA_HOME to the\bindirectory of the install. The PATH variable points to\bin, while JAVA_HOME points to the root folder into which the JDK was installed. How to set JAVA_HOME at the comm...
$echo$PATH/usr/local/bin:/bin:/usr/bin:/usr/sun/jdk/v1.6.0_16-64bit/bin:. or $which java usr/sun/jdk/v1.6.0_16-64bit You can see that JDK is installed on"/usr/sun/jdk/v1.6.0_16-64bit". 2) Add the following line of your.bash_profilefile if you want to setJAVA_HOMEfo...
5. To check installed JRE version: $ java --show-version That should shows information like this: openjdk21.0.52024-10-15 OpenJDK Runtime Environment (build21.0.5+11-Ubuntu-1ubuntu124.04) OpenJDK 64-Bit Server VM (build21.0.5+11-Ubuntu-1ubuntu124.04, mixed mode, sharing) ...
$ sudo update-alternatives --config java Choose the Java version by selecting its number as shown below. Set JAVA_HOME Environment Variable To set theJAVA_HOMEvariable, first get the absolute path of Java, run $ ls -l /usr/lib/jvm/ ...
Setting up openjdk-21-jdk:amd64 (21.0.5+11-1ubuntu~24.04.1) ... using /usr/lib/jvm/java-11-openjdk-amd64/bin/jconsole Setting up default-jdk (2:1.21) ... Verify Java is on the PATH To validate the successful install of Java on Ubuntu, and to ensure the JDK’s bin directory ...
After completion, type below to check the Java version. java --version You should see Java 17 in the prompt. You can also check out the Java executable path via the below command: which java Java 17 after install – on Ubuntu 22.04 LTS Jammy Jellyfish ...
How to Install Java on Ubuntu 22.04 . Learn how to install Java on Ubuntu 20.04 and configure environment variable for path.