java functional programming with static import

import java.util.function.Supplier;
import java.util.stream.Stream;

import static java.lang.System.out;
/*
 *
 */
public class Main
{
    /*
     *
     */
    public static void main(String[] args)
    {
        out.println("Hello World!");
        out.println(((Supplier<Main>) Main::new).get().iExist());
        Stream.of("First String", "Second String", "Third String").map(stringInTheStream -> stringInTheStream + stringInTheStream + stringInTheStream).forEach(out::println);
    }
    
    /**
     * Proof of existence of {@code this}.
     */
    public String iExist()
    {
        return "i exist!!!!°!\nI am: " + this;
    }

}