Type the selection number of Java version you want to set as default Java on your Linux system. The systems have multiple Java versions installed can use the below command to set a specific Java version as the default sudo update-alternatives -config java The update-alternatives command is used for configuring the default version for your system. sudo apt-get install oracle-java8-installer # Java 8 sudo apt-get install oracle-java9-installer # Java 9 Configure Default Java with Alternatives Now install the Java version of your choice as below. Java 8 is the LTS release available and Java 9 is the latest release available for installation. At first, we need to install JRE or Java runtime environment. The Debian packages are not available for Oracle Java, but the Webup8 team has provided you with an easier way to install Oracle Java on an Ubuntu system.Īdd the following PPA to your system: sudo add-apt-repository ppa:webupd8team/java Java 11 is the latest LTS version that is available for installation. The second options are to install Oracle Java. JDKs programs (such as Java compiler javac.exe and Java runtime java.exe ) reside in the sub-directory bin of the JDK installed directory. How to Install Oracle Java on Ubuntu using PPA sudo apt-get install openjdk-9-jdk # Java 9 sudo apt-get install openjdk-8-jdk # Java 8 #2. You can also install the specific Java version on your system using one of the following commands. Next, create another directory, switch the Java version to Java 18, and create another. sdkmanrc Enable auto-env through the sdkmanautoenv config Add keyvalue pairs of SDKs to use below java17.0.3-tem. JDK also contains JRE packages but you can install the default-jre package and install JRE only. Let’s create a file for a Java 17 project: sdk env init. Run the following commands to install Java on an Ubuntu Linux system. This is the simple and quick way to install Java on Ubuntu systems. How to Install Default Java on Ubuntu with Apt-get You should write a Dockerfile that starts with the base Ubuntu image you want, installs Java, copies across your app and sets it up to run. You have two options available for installing Java on an Ubuntu system. ubuntu docker Share Improve this question Follow asked at 5:36 user5620472 2,722 8 44 97 Are you trying to use a Docker container like a regular virtual machine That's not really how it works. JDK is used for configuring the Java environment for developing Java applications and JRE is used for the runtime configuration. Basically, there are two types of Java environment available to configure. Java is a widely used programing language for creating software, and web applications.
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