Output There are 5 choices for the alternative java (providing /usr/bin/java). In this case, this is what the output will look like with all Java versions mentioned above installed. The output will look something like the following. You can configure which version is the default for use in the command line by using update-alternatives, which manages which symbolic links are used for different commands. There can be multiple Java installations on one server. sudo apt-get install oracle-java9-installer.To install JDK 9, use the following command: There is more information about Java 9 on the official JDK 9 website. It’s not recommended that you use this version because there may still be security issues and bugs. This is a developer preview and the general release is scheduled for March 2017. sudo apt-get install oracle-java8-installer.You can do so using the following command: This is the latest stable version of Java at time of writing, and the recommended version to install. Then, depending on the version you want to install, execute one of the following commands: Oracle JDK 8 sudo add-apt-repository ppa:webupd8team/java.If you want to install the Oracle JDK, which is the official version distributed by Oracle, you will need to follow a few more steps.įirst, add Oracle’s PPA, then update your package repository. You can install the JDK with the following command: The JDK does contain the JRE, so there are no disadvantages if you install the JDK instead of the JRE, except for the larger file size. The JDK is usually only needed if you are going to compile Java programs or if the software that will use Java specifically requires it. There is another default Java installation called the JDK (Java Development Kit). Specifically, this command will install the Java Runtime Environment (JRE). Specifically, this will install OpenJDK 8, the latest and recommended version. The easiest option for installing Java is using the version packaged with Ubuntu. PrerequisitesĪ sudo non-root user, which you can set up by following the Ubuntu 16.04 initial server setup guide. This article will guide you through the process of installing and managing different versions of Java using apt-get. Java and the JVM (Java’s virtual machine) are widely used and required for many kinds of software.
0 kommentar(er)
