A beginner’s error (args[0]) [duplicate]

I started to read a book on java, and there the author showed this program. But I get errors in the line with args[0]. The author writes that this line has to read string. Is it true?

public class Main {

public static void main(String[] args) {



The error:

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
at Main.main(Main.java:5)

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