import java.io.File;

public class ExtendedForDemo
{
  public static void main( String[] args )
  {
    for ( File f : new File( "c:/" ).listFiles() )
      System.out.println( "File: " + f );

    String text = "Hallo Welt dies ist ein Test";
    for ( String word : text.split( "\\s" ) )
      System.out.println( word );
  }
}