Using java to download and run files in a applet

I am currently developing a project to match with an existing one and I'm attempting to create a web-based java applet that downloads a text file then opens it. I've attempted to do this already and failed.

The method I tried for downloading is (only a SMALL bit to allow better understandment) :
"URL url = new URL(address);
out = new BufferedOutputStream(
new FileOutputStream("C:\\temp\\" +localFileName));
conn = url.openConnection();
in = conn.getInputStream();"

I had a basic text for the applet using this:

"public void paint(Graphics g)
      g.drawString("Please wait..",20,20);
      g.drawString("Retrieving file.",20,40);

However, only the text bit showed. The downloading and running code simply didn't do its job. It passed compile and it works fine when I run the .class using batch, but the minute I jar it, it won't even run using a batch file nor applet. Basically, I want to know how to make a proper .jar applet that downloads and runs a file from a chosen URL (which will be in the same directory as the jar, on the same webserver).
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HiTechFailConnect With a Mentor Author Commented:
They help a little, but still does not work after implementing into an applet.
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