One of our biggest challenges as software developers is organizing our code so that it is easier to extend and maintain. The Command pattern helps us do that by encapsulating all the data required to ...

To check which version of Java you have on your Windows computer, you'll need to open the Command Prompt.

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 ...

Writing code to parse command line arguments is still necessary sometimes. When you need to examine command line arguments, see how and why you should use your open source Java toolkit and use Command ...