Note:If the output indicates there is no such package on the system, learnhow to install Java on Ubuntu 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 ...
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 is a well-known platform independent object-oriented programming language used in software development for decades. It is mostly used in web development, mobile applications, enterprise applications and scientific computing. Ubuntu 24.04 offers two main Java options: OpenJDK: This is the free and...
This article explains how to check what version of Java is installed on your Linux system using the command line.
However, some Java applications may require a specific version, so it is best to consult the application documentation. Installing OpenJDK in Ubuntu Before installing Java, you can check if it is already installed on your system by typing: java -versionCopy...
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) ...
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 ...
OpenJDK Runtime Environment(build11.0.14+9-Ubuntu-0ubuntu2)OpenJDK64-Bit Server VM(build11.0.14+9-Ubuntu-0ubuntu2, mixed mode, sharing) You may need the JDK in addition to the JRE in order to compile and run some specific Java-based software. To install the JDK, execute the following...
Check Java in Ubuntu If the installation was successful, you should see the version of Java you installed displayed in the terminal. Installing Java from the Official Oracle Package Download the Oracle Java package from theofficial Oracle websiteor use the followingwget commandto download directly ...
Installing Java on Ubuntu 20.04 server is easy, however, it’s important to know which ‘type’ of Java you need: OpenJDK is a free and open-source implementation of the Java SE Platform Edition. Oracle JDK is the closed-source in-house version of Java developed entirely by Oracle. ...