This command installs the Java Development Kit (JDK). To install the JDK, run the following command, which also installs the JRE: To compile and run some specific Java programs in addition to the JRE, you may need the Java Development Kit (JDK). It allows you to run almost any Java software. This command installs the Java Runtime Environment (JRE). Type y (yes) and press Enter to resume installation. Run the following command to install OpenJDK:
If Java was newer installed, yo’ll see the following results:
Then you need to check if Java is already installed:
After September 2018, OpenJDK 11 is installed. Until September 2018, OpenJDK 10 was installed. This package installs OpenJDK version 10 or 11. To check your current Java version, type java -version at a command. By default, Ubuntu 18.04 includes Open JDK (open source JRE and JDK version). Java Notes Pivotal GemFire 9.x requires Java SE 8, version 92 or a more recent version. The easiest way to install Java is to use the version included in the Ubuntu package. This guide will help you learn how to install different versions of the Java Runtime Environment (JRE) and Java Developer Kit (JDK) with apt.Ĭloud Servers Intel Xeon Gold 6254 3.1 GHz CPU, SLA 99,9%, 100 Mbps channel from 4 EUR/month Try Java Runtime Environment Java and JVM (Java Virtual Machine) are required for many types of software, including Tomcat, Jetty, Glassfish, Cassandra and Jenkins.
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