how to define the args in main main method java code example

Example 1: java argument main

public class ArgumentExample {
    public static void main(String[] args) {
        for(int i = 0; i < args.length; i++) {
            System.out.println(args[i]);
        }
    }
}

Example 2: what are parameters in java

public static void hello (String hey, String wassup) 
//the paramter in this case is located in the parenthesis