Severe Problem in Applets

Question

I hav problem in Applets by use of threads.The prb. is that i am supposed to create three threads in applets.Thread one will read a file and extract a character array of size 10 from it and Thread 2 will display those characters in Textarea of Applets and after 10 seconds Thread3 will delete those chracters from textarea and next character set of Array of size 10 from Thread one will be assigned to Thread2 and process should go on untill it reads all character from file.Please sort this problem with source code.All are warmly welcome.
Anuj.

Answer 1

Thread one will read a file Since applets cannot read from the filesystem you have to use the URL object to read the file and place the
file in the same location as your applet:
          try {
               url = new URL(this.getCodeBase(), "yourfile.txt");
               URLConnection conn = url.openConnection();
               InputStream in = conn.getInputStream();
               ByteArrayOutputStream bos = new ByteArrayOutputStream();
               byte[] buf = new byte[1024];
               int len;
               while ((len = in.read(buf)) > 0) {
                    bos.write(buf, 0, len);
               byte[] data = bos.toByteArray();
//               String dataString = new String(data,"Shift_JIS"); // depending on your file encoding
          } catch (Exception e) {
               e.printStackTrace(System.out);
          }How to use threads:
http://java.sun.com/docs/books/tutorial/essential/threads/index.html