- -Section / General 21 What is the output of the following code: * (2 Points) * @author Dr. mohammad Mhawish*/ public class NewClass { public NewClass (String str, String str1) { this (str+stri); System.out.println("2021"); } public NewClass (String str) { System.out.print (str); } public static void main(String[] args) { NewClass a = new NewClass("hello ", " world "); } hello 2021 hello world 2021 2021 hello world