![]() Verify that the JDK is installed by checking the version of javac, the Java compiler: To install the JDK, execute the following command, which will also install the JRE: You may need the Java Development Kit (JDK) in addition to the JRE in order to compile and run some specific Java-based software. ![]() OpenJDK 64-Bit Server VM (build 11.0.7+10-post-Ubuntu-3ubuntu1, mixed mode, sharing) OpenJDK Runtime Environment (build 11.0.7+10-post-Ubuntu-3ubuntu1) The JRE will allow you to run almost all Java software. Sudo apt install openjdk-8-jre-headless # version 8u252-b09-1ubuntu1Įxecute the following command to install the default Java Runtime Environment (JRE), which will install the JRE from OpenJDK 11: Sudo apt install openjdk-14-jre-headless # version 14.0.1+7-1ubuntu1 Sudo apt install openjdk-13-jre-headless # version 13.0.3+3-1ubuntu2 Sudo apt install openjdk-11-jre-headless # version 11.0.7+10-3ubuntu1 Sudo apt install default-jre # version 2:1.11-72, or OutputCommand 'java' not found, but can be installed with: If Java is not currently installed, you’ll see the following output: Next, check if Java is already installed: To install this version, first update the package index: By default, Ubuntu 20.04 includes Open JDK 11, which is an open-source variant of the JRE and JDK. The easiest option for installing Java is to use the version packaged with Ubuntu. To follow this tutorial, you will need: Installing the Default JRE/JDK ![]() When you’re finished, you’ll be able to use the JDK to develop software or use the Java Runtime to run software. You’ll then select the version you wish to use for your projects. You’ll install OpenJDK as well as the official JDK from Oracle. In this guide, you will install various versions of the Java Runtime Environment (JRE) and the Java Developer Kit (JDK) using apt. Java and the JVM (Java’s virtual machine) are required for many kinds of software, including Tomcat, Jetty, Glassfish, Cassandra and Jenkins. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |