Is it right to have main method signature like

Question

public static void main(String ... args)

Answer 1

I don't see why not. It means essentially the same thing.

Read both of these answers.

http://stackoverflow.com/questions/11952804/explanation-of-string-args-and-static-in-public-static-void-mainstring-a
http://stackoverflow.com/questions/3158730/java-3-dots-in-parameters