import java.io.*;

public class Hello
{
  public static void main (String[] args)
  {
    System.out.println("nw task 1");
    Hello.hello();
    System.out.println (args.length > 0 ? args[0] : "Unknown person");
    World.world();
    new Mandelbrot();
    System.out.println("");
    System.out.println("nw task 2");
    new Something().doit();
    System.out.println(new Something().dontdoit());
  }

  private static class Something
  {
    int x=5;

    public Something()
    {
      System.out.println ("something");
    }

    public void doit()
    {
      x++;
      System.out.println (x);
      x--;
    }

    public int dontdoit()
    {
      x++;
      x--;
      return x;
    }
  }

  static void hello()
  {
    System.out.println ("Hello World!");
    System.out.println ("Greetings Venus!");
    System.out.println ("I am not so cool!");
    System.out.println ("But I am!"); 
    System.out.println ("Oh really?");
  }
}