For Java-based programs such as Maven, Jenkins, Gradle or Tomcat to run, they need to know that Java's JDK is installed. That's the purpose of the JAVA_HOME environment variable. It tells programs ...

Java versioning has never made a lot of sense. The last time it did was back in the late 1990s, when the first full increment product release, Java 1.0, carried the same version number as the ...