With Red Hat Enterprise Linux (RHEL) 8, two major versions of Java will be supported: Java 8 and Java 11. In this article, I’ll refer to Java 8 as JDK (Java Development Kit) 8 since we are focusing on the development aspect of using Java. JDK 8 and JDK 11 refer to Red Hat builds of OpenJDK 8 and OpenJDK 11 respectively. Through this article, you’ll learn how to install and run simple Java applications on RHEL 8, how to switch between two parallel installed major JDK versions via
alternatives and how to select one of the two JDKs on a per-application basis.
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