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 check the Java version on Linux, run the following: java -versionCopy The output displays the Java package version installed on your system. In the example above, OpenJDK version 11.0.24 is installed. Note:If the output indicates there is no such package on the system, learnhow to inst...
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...
The Java OpenJDK version 18 is already included in the Ubuntu 22.04 repo. So we install it, we need to execute the following command: sudo apt-get install -y openjdk-18-jdk Once installed, execute the following command to check the Java version: java -version You will receive the followi...
You may need to know about your kernel version number to install some software on your machine. You can use the instructions described in this tutorial to find the kernel version number. You can easily find your Linux kernel's version by running the following command from the command line. ...
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Operating System:You can do Hadoop installation onLinux-based operating systems. Ubuntu and CentOS are very commonly used among them. In this Hadoop installation tutorial, we are using CentOS. Java:You need to install the Java 8 package on your system. ...
Set the environment variable for java 11 version. [root@linuxhelp ~]# vim /etc/environment# jdk 11.0.2 export JAVA_HOME:/usr/java/jdk-11.0.2 export JAVA_PATH:/usr/java/jdk-11.0.2/bin With this, Installation of java 11.0.2 version LTS On centOS 7.6 comes to end. ...
1. Install Java on Linux The first step is to make sure that you have Java installed on your system. To check the version of java installed run the following command: 1 java -version 2. Open .bashrc file The.bashrc fileis a bash shell configuration file. It is stored at ~/.bashrc ...
It may take a while depending on how slow your system is, but that's about it. Once it's done, Java will be ready to use and you'll be able toinstall and play Minecraft on Linux, for example. What do you need Java for? Could you live without it? Let us know in the comments...