Command-Line Argument

A string passed to a Java program when it starts.

What is Command-Line Argument in Java?

Command-Line Argument — A string passed to a Java program when it starts.

class Greeter {
    public static void main(String[] args) {
        String firstArgument = args[0];
    }
}

Level: Apprentice · More Java terms at this level

Updated September 27, 2026