Torsten Wagner <torsten.wag...@gmail.com> writes:
> Hi all,
>
> every year I want like to evaluate java snippets in org-mode to
> evaluate courseworks.
> This worked fine but recently I had a bigger data crash and re-setup
> my office machine.
> It worked ok for the crash (that is it worked ok for the set-up at that time).
>
> I use now
>
> GNU Emacs 24.1.1
> Org-mode version 7.8.11
>
> I can evaluate simpler blocks but for more complex once I run into trouble
> I used
>
> #+BABEL: :mkdirp t
> #+BABEL: :cmpflag -cp .
> #+BABEL: :cmdline -cp .
>
The above should use standard property lines, see (info "(org)Buffer-wide
header arguments")
>
> #+begin_src emacs-lisp
> (setq org-babel-default-header-args:java '((:cmpflag "-cp .")
> (:cmdline "-cp .")))
> #+end_src
>
This seems to me to be redundant with the above. No need to set these
for the language and the buffer.
Best,
>
>
> ** CODE-TESTER
> #+BEGIN_SRC java :classname enshu4/Shop4Tester
> package enshu4;
> public class Shop4Tester {
> public static void main(String[] args) {
> System.out.println("----------Checking for list 1---------");
> Shop4 shop1 = new Shop4("item1.txt");
> shop1.print("potato");
> shop1.printAllNames();
>
> System.out.println("\n----------Checking for list 2----------");
> Shop4 shop2 = new Shop4("item2.txt");
> shop2.print("potato");
> shop2.printAllNames();
> }
> }
> #+END_SRC
>
>
> ** studentID
> #+BEGIN_SRC java :classname enshu4/Shop4
> package enshu4;
>
> import java.util.Hashtable;
> import java.util.Iterator;
> import java.io.BufferedReader;
> import java.io.FileReader;
> import java.io.IOException;
> import java.io.FileNotFoundException;
>
> public class Shop4 {
> private Hashtable<String, Integer> item;
>
> public void printAllNames() {
> String tes;
> Iterator<String> it = item.keySet().iterator();
> while (it.hasNext()) {
> tes = it.next();
> System.out.println(tes + " a " + item.get(tes) + "Euro");
> }
> }
>
> public Shop4(String fname) {
> item = new Hashtable<String,Integer>();
> FileReader fr;
> try {
> fr = new FileReader(fname);
> } catch (FileNotFoundException e) {
> System.out.println(fname + "not found");
> return;
> }
>
> BufferedReader br = new BufferedReader(fr);
> String line;
>
> try {
> while ((line = br.readLine()) != null) {
> String target = line;
> String[] splt = target.split("=");
> String key = splt[0];
> String val = splt[1];
> item.put(key,new Integer(val));
> }
> br.close();
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
>
> public static void main(String[] args) {
> Shop4 shop = new Shop4("item.txt");
> shop.printAllNames();
> }
> }
> #+END_SRC
>
> If I want to execute the given source code block I end up with an error
> message
>
> org-babel-execute-src-block: Wrong type argument: characterp, "-cp ."
>
>
> I believe this is rather common due to some changes within emacs, but
> I can't find a way to get around this.
>
> Any idea?
>
>
> BTW. previous year it seems I created the lists by
>
> #+BEGIN_SRC text :tangle ./item1.txt
> potato=120
> bread=160
> milk=180
> #+END_SRC
>
> but this seems not to work anymore.... anyhow that would be a minor problem
>
>
> Thanks for looking into this.
>
> Torsten
>
--
Eric Schulte
http://cs.unm.edu/~eschulte
