What is the main usage of "String[] args" in public static void main(String[] args)?

[abalfazl hossein]

What is the main usage of "String[] args" in public static void main(String[] args)?Why is "String[] args" used in main method?

[Rob Spoor]

Because that's the way to get the command line arguments passed to the JVM.

[fred rosenberger]

you can type "java MyClassName arg1 arg2 arg3".

the strings after the class name go into the args[] array, so you can use them inside your program.

[abalfazl hossein]

May you give examples for what you told?

[Christophe Verré]

abalfazl hossein wrote:May you give examples for what you told?

Can you loop through an array ? If yes, loop through args[] and execute your application with the command fred has posted.

[abalfazl hossein]

What about this:

Because that's the way to get the command line arguments passed to the JVM.

[Christophe Verré]

Check this tutorial.