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 ...

So, how do you set an environment variable in Linux? Let me show you. First, log into your Linux desktop or server and open a terminal window. Let’s set MY_SITE to techrepublic.com. For that ...

You’ll learn how to use comments, identifiers, types, literals, and variables in your Java programs. You’ll also learn why and how to document your code, and you’ll see how Java’s support ...