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+import java.io.*;%0Aimport java.util.*;%0Aimport java.text.*;%0Aimport java.math.*;%0Aimport java.util.regex.*;%0Apublic class HelloWorld %7B%0A%0A// https://www.hackerrank.com/contests/30-days-of-code/challenges/day-0-print-hello-world/submissions/code/4681442%0A%0A       public static void main(String%5B%5D args) %7B%0A           System.out.println(%22Hello World.%22);%0A           System.out.println(%22Welcome to 30 Days of Code.%22);%0A       %7D%0A   %7D%0A%0A%0A

Create Day0-PrintHelloWorld.java