![]() ![]() JRE is already included in the JDK package. Default JRE means the latest LTS version of the JRE which is currently Java 11. In this section, you’ll install default JRE on Ubuntu. Now, you’ll learn how to install JRE, Open JDK and Oracle JDK in Ubuntu. Public updates for Oracle Java SE 8 released after January 2019 will not be available for commercial, business, or production use without a commercial license, as announced by Oracle. Oracle JDK – It is a version fully developed by Oracle Corporation and it has some licensing implications. It is free to use under GNU General Public License (GNU GPL) version 2. Support is provided only for the latest version of the OpenJDK. If you need to A new version of OpenJDK is release every six months. JDK is a Java Development Kit which consists of all the necessary things to develop a Java program. Open JDK – It is a free and opensource implementation of the Java SE Platform Edition developed by Oracle, OpenJDK and the Java community. It is sufficient to install Java Runtime Environment (JRE) if you just want to run the Java based programs and no need to use any Java developer Tools. JRE – It is a Java runtime environment which is used to run the Java based applications. It is important to understand the difference between jdk vs OpenJDK and Oracle JDK before you install and use it. – Upgrade the packages in the server to the latest versions using sudo apt upgrade.– Update the packages list in the server which is upgrade-able using sudo apt update. ![]()
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