JFileChooser fc = new JFileChooser();
		int returnCode = fc.showSaveDialog(null);
		if (returnCode != JFileChooser.APPROVE_OPTION){
			System.exit(1);
		}
		FileReader fr= new FileReader(fc.getSelectedFile());
		BufferedReader br = new BufferedReader(fr);
		while (true)  { //while true loop with a break
			int x;
			for(x=1;;x++){
				String aLine= br.readLine();

				if (aLine==null) break;
			System.out.println(x+":"+aLine);
			}
		}

		int saveCode = fc.showSaveDialog(null);
		if(saveCode == JFileChooser.APPROVE_OPTION);
			//System.exit(1);


		FileWriter fw = new FileWriter(fc.getSelectedFile());
		PrintWriter outputln = new PrintWriter(fw);
		BufferedReader br1 = new BufferedReader(fr);
		while (true) { // while true loop with a break

			//for(x=1;;x++){
					String aLine = br1.readLine();
					if (aLine == null)
						break;
					outputln.println(":"+aLine);


				}
			Random randomGenerator = new Random();
			    for (int idx = 1; idx <= 1; ++idx){
			      int randomInt = randomGenerator.nextInt(500);
			      System.out.println("all done, copied: "+ fc.getDescription(null) );
			      System.out.println("There are " + " lines and "+   " characters.");
			      System.out.println("Here is a random number between 1 and 500: "+ randomInt);
			      System.exit(0);
			    }


		System.exit(1);
	}
		}