It is also the default Java development and runtime on Ubuntu 20.04. Install Java OpenJDK 11 di Ubuntu 20.04Īt the time of writing, Java 11 is the long-term supported (LTS) version of Java. Some Java-based applications may require a specific version of Java, so as a user, it is mandatory to read the application documentation. If you are not sure which Java package to install, a general recommendation is to install the default version of Java, which is the OpenJDK version (JDK 11). The JDK includes the JRE and the development / debugging tools and libraries needed to build Java applications.
A JRE consists of a Java virtual machine (JVM), classes, and binaries that allow running Java programs. The Ubuntu 20.04 default repository includes two OpenJDK packages, the Java Runtime Environment (JRE) and the Java Development Kit (JDK). The license Oracle Java only permits non-commercial use of the software, such as personal use and development use. OpenJDK and Oracle Java are the two main implementations of Java, with almost no difference between them except that Oracle Java has some additional commercial features. There are several different Java implementations.
In this guide, we will learn how to install Java on Ubuntu 20.04. We can find applications developed in Java on your laptop, cell phone and game console. Java runs on all operating systems and devices. Java is one of the most popular programming languages used to build various types of applications and systems.
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