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 ...

I'm trying to use one of the Apache Commons libraries (Math 3.3) in Java with Eclipse. (JDK 1.7 and Eclipse 3/JDT 3.7) And I can't get away from NoClassDefFoundError ...

In Unix terminology, an Environment variable is a string that holds information such as drive name, pathname, filename, etc. JAVA_HOME is an environment variable which addresses to the directory where ...