public static void openURL(String url) {
                String osName = System.getProperty("os.name");
                try {
                        if (osName.startsWith("Windows"))
                                Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url);
                        else {
                                String[] browsers = {"chrome","firefox", "opera", "konqueror","epiphany", "mozilla", "netscape" };
                                String browser = null;
                                for (int count = 0; count < browsers.length && browser == null; count++)
                                        if (Runtime.getRuntime().exec(new String[] { "which", browsers[count] })
                                                        .waitFor() == 0)
                                                browser = browsers[count];
                                Runtime.getRuntime().exec(new String[] { browser, url });
                        }
                } catch (Exception e) {
                        JOptionPane.showMessageDialog(null, "Error in opening browser"+ ":\n" + e.getLocalizedMessage());
                }
        }