Giving arrays as parameters

Question

How can i give to my program a set of parameters as array
public class Program
{
public static join(String...args) {
return args.length==0 ?"no parameters passed ":
String.join("," args );

}
}

Answer 1

I have put some code below that may be helpful
https://code.sololearn.com/cK31e4GUFF9g/?ref=app

Answer 2

Here an example for unknown number of args:

https://code.sololearn.com/cKI3TIvwylsV/?ref=app