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 ...

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 ...

The command-line interface (CLI) is the inner world of software development. From the shell, we have direct access to all the operating system’s capabilities, and with that comes the power to compose ...

Java 18's Simple Web Server lets you use a command-line tool or API to host files and more. Here's how it works. One of the handiest new features included in the Java 18 release (March 2022) was the ...

I find myself needing to write a Java console application and am quite rusty. Can anyone recommend a good analogue to Python's optparse library (or comment on the Apache Commons CLI)? Also, this is ...