WebSep 11, 2020 · To find out which Java version is installed on your system, run the java -version command: java -version. The command will display the default Java version: openjdk 11.0.8 2020-07-14 OpenJDK Runtime Environment (build 11.0.8+10-post-Ubuntu-0ubuntu120.04) OpenJDK 64-Bit Server VM (build 11.0.8+10-post-Ubuntu …
WebAug 12, 2020 · Method 1: Check the Java Version On Linux. To check the Java version on Linux Ubuntu/Debian/CentOS: 1. Open a terminal window. 2. Run the following command: java -version. 3. The output should display the version of the Java package installed on your system. In the example below, OpenJDK version 11 is installed.
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How to check java version at linux (RedHat6) - Stack Overflow
WebDec 4, 2017 · To check which version of Java is installed, follow this procedure: -Open a Linux command prompt. -Enter the command java -version. -If Java version is installed on your system, you see a Java installed response. Check the version number in the message.
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Switch Between Multiple Java Versions | Baeldung on Linux
WebMar 18, 2024 · 1. Overview. Java is a popular programming language. It’s used by developers for creating a wide range of applications in different areas. Sometimes, we might need to keep multiple Java versions on the same system at the same time. For instance, some older Java applications might not work on newer Java versions and vice-versa.
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How to Check Java Version On Linux | Ubuntu/Debian/CentOS
WebFeb 11, 2021 · The first method to find the Java installation path with the following command: update-alternatives --list java. This will display the complete path of the Java as shown below: /usr/lib/jvm/java-11-openjdk-amd64/bin/java. Note: For CentOS and RHEL operating system, run the following command: update-alternatives --list.
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How to Install and Switch Java Versions on Ubuntu Linux
WebMar 28, 2024 · Install Java: Install the chosen version of Java. For example, to install OpenJDK 23: $ sudo apt install openjdk-23-jdk. You can install other versions if needed. We will later discuss how to switch between different Java versions.
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How can I tell what version of Java I have installed?
Web4 Answers. Sorted by: 117. The simplest way is: update-java-alternatives -l shows you all the Java versions you have installed. java -version shows you the Java version you are using. java -showversion shows you the Java version you are using and help. Normally it would be OpenJDK. Share. Improve this answer. Follow. edited May 4, 2017 at 10:20.
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Check Java Version - Linux Tutorials - Learn Linux Configuration
WebJun 3, 2020 · To do so run java -version on your terminal. $ java -version. Check Java Version. Furthermore, execute the following command to check the version of the current default Java compiler javac: $ javac -version.
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Check Java Version Command in Linux - LinuxCapable
WebJul 8, 2023 · Start by opening the terminal. If you’re on a server, you’re already there. If you’re using Linux, find the ‘Terminal’ in your applications menu or taskbar and open it. Don’t worry about which terminal you use, as most of our commands work in most of them. Step 2: Enter the Java Version Command.
WebFeb 2, 2024 · Open the Linux terminal. Execute the following command. java - version. If Java is installed on your machine, it will show the OpenJDK version. Let us see a working example to check the version of Java. stark@stark:~$ java -version. openjdk version "11.0.13" 2021-10-19. OpenJDK Runtime Environment (build 11.0.13+8-Ubuntu …