Java Http Request

public static String GetWebResponse(String urlStr) throws Exception
{
    URL url = new URL(urlStr);

    // Open a connection(?) on the URL(??) and cast the response(???)
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    // Now it's "open", we can set the request method, headers etc.
    connection.setRequestMethod("GET");

    //String baseAuth=BuildBaseAuthentication("testuser","testpwd");
    connection.setRequestProperty("Authorization",  "Basic aGV3bTpOb3YxMCE/IQ==");
    connection.setRequestProperty("Content-Type", "application/json");

    BufferedReader in = new BufferedReader(
            new InputStreamReader(connection.getInputStream()));
    String inputLine;
    StringBuffer content = new StringBuffer();
    while ((inputLine = in.readLine()) != null) {
        content.append(inputLine);
    }
    in.close();


    return content.toString();
}


public static String BuildBaseAuthentication(String name, String password)
{
    String authString = name + ":" + password;
    byte[] authEncBytes = Base64.getEncoder().encode((authString.getBytes()));
    String authStringEnc = new String(authEncBytes);
    System.out.println("Base64 encoded auth string: " + authStringEnc);
    return "Basic " +authStringEnc;

}