Cannot open XML-File

Hello I have a problem with a simple operation. I cannot open a XML-File!!! This code: public class Task3 { public static void main(String[] args) throws IOException { int laenge = 0; try{ laenge = args[0].length(); } catch (ArrayIndexOutOfBoundsException e){ System.out.println("U

Cannot open XML-File

Hello I have a problem with a simple operation. I cannot open a XML-File!!! This code: public class Task3 { public static void main(String[] args) throws IOException { int laenge = 0; try{ laenge = args[0].length(); } catch (ArrayIndexOutOfBoundsException e){ System.out.println("U