Java is one of the most popular programming languages in the world, used for building different types of cross-platform applications. This article explains how to check what version of Java is installed on your Linux system using the command line. This can be useful when installing applications ...
To solve this problem, you need to change the default Java version you are using to Java JRE 1.7 or higher (assuming that such JRE is already installed). First,check available Java versionson your Linux system by usingupdate-alternativescommand: $sudo update-alternatives --display java In this...
Sololearn is the world's largest community of people learning to code. With over 25 programming courses, choose from thousands of topics to learn how to code, brush up your programming knowledge, upskill your technical ability, or stay informed about the
Another way to get the Java version is to check the version of the primary Java compiler,javac. Do it with the following command: javac -versionCopy Method 2: Check Java Path There are two ways to find the Java directory path. The first option is to run the following command: update-...
export JAVA_HOME=/opt/java/jdk-9 export PATH=$JAVA_HOME/bin:$PATH AFTER: Now run the same command which java to see updatedjava location. root@crunchify:/tmp/crunchify# which java /opt/java/jdk-9/bin/java As you see above, in order to reload all properties you need to run command...
3. Print JAVA_HOME To check if the path was set successfully use: 1 echo $JAVA_HOME Conclusion This tutorial covered the steps to update the JAVA_HOME variable in Linux. You can read through this tutorial to learn how to install Java in Linux. Continue to follow LinuxForDevices for ...
@REM How to echo JAVA_HOME in windows echo %JAVA_HOME% >> C:\_jdk25.0 If you use a Bash shell, or if you have set JAVA_HOME in an Ubuntu environment and need to echo JAVA_HOME in Linux, place a single dollar sign before the environment variable:echo $JAVA_HOME. ...
Step 1: Check if JDK is installed The simplest way to check if Java Development Kit (JDK) is installed on your Linux system is by running this command: javac --version The above command checks the version of Java compiler. If it is installed, it will show the Java version. ...
Step 3: Check Java Version The JavaControl Panelprovides various options and settings. To check the version, go toGeneraltab and then click onAboutbutton: A window will open displaying the Java version installed on Mac: As it can be seen in the above image,Java 8 Update 351andBuild 1.8....
Note:The commands in this tutorial are executed on the Ubuntu 20.04 system. All the methods mentioned in this tutorial are also valid for any other Linux distribution. Check for the Java Compiler Before setting up the JAVA_HOME variable, You need to confirm the installation of the java compile...