fileDownload

public void download(String url, String fileURL) {
    try {
        URL website = new URL(url);
        ReadableByteChannel rbc = Channels.newChannel(website.openStream());
        FileOutputStream fos = new FileOutputStream(fileURL);
        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
    } catch (Exception e) {
        e.printStackTrace();
    }
}