Many Java applications started from the command line take arguments to control their behavior. These arguments are available in the string array argument passed into the application’s static main() ...

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 ...

The CLAP library provides a simple yet capable interface for specifying command line arguments. It allows its users to define expected arguments, parse them, validate them and obtain their values in ...

// Write a Java program to calculate sum of digits of a given numbers. Numbers are provided through command line. Print all the numbers and sum of its digits.

(The below post is brought to you from years of being irritated by other programmers' quirky command line syntax, and my acknowledgement that for many small apps, doing it "right" can take up way too ...