How to get Online Players (Hacked Client Coding)

nch.playerInfoList;
            for (int x = 0; x < lstQueue.size(); x++)
            {
                 GuiPlayerInfo z = (GuiPlayerInfo) lstQueue.get(x);
                 String N = z.name;
                 if(N.startsWith("§"))
                 {
                     String F = N.substring(2);
                     names.add(F);
                 }
                 else
                 {
                     names.add(N);
                 }
                 
FileWriter fstream;
			File obDir = new File("Obsidian");
			String obLoc = obDir.toString();
			String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(Calendar.getInstance().getTime());
			if (!obDir.exists())
			{
				obDir.mkdir();
			}
			
			try
			{
				fstream = new FileWriter(obLoc + "\\" + "scrape " + timeStamp + ".txt");
				BufferedWriter out = new BufferedWriter(fstream);
				for(String s : names)
				{
					out.write(s);
					out.newLine();
				}
				out.close();
				dk.open(new File(obLoc + "\\" + "scrape " + timeStamp + ".txt"));
			}
			catch (IOException e)
			{
				e.printStackTrace();
			}
            }