/* File: HelloWorldGood.java - March 2016 */
package l04;


/**
 * A recursive algorithm that prints out "Hello World!" a fixed
 * number of times (followed by the same number of "Done").
 *
 * Sample usage: java l04.HelloWorldGood 10
 *
 * @author Michael Albert
 *
 */

public class HelloWorldGood{

  public static void main(String[] args) {
    helloWorld(Integer.parseInt(args[0]));
  }

  public static void helloWorld(int n) {

    if (n <= 0) return;
		System.out.println("Hello World");
    helloWorld(n-1);
    System.out.println("Done");

  }
   
}