Get JSON from url - Java

get-json.java

public static void main(String[] args) {
  HttpURLConnection connection = null;
		String inputLine;
	    StringBuffer response = new StringBuffer();
	        
		try {
			URL url = new URL("url");
			connection = (HttpURLConnection) url.openConnection();
			connection.setRequestMethod("GET");
			connection.setRequestProperty("Content-Type","application/json");
			connection.setUseCaches(false);
			connection.setDoOutput(true);
			if (connection.getResponseCode()==200) {
				BufferedReader in = new BufferedReader(
		                   new InputStreamReader(connection.getInputStream()));
				while ((inputLine = in.readLine()) != null) {
		            response.append(inputLine);
		        }
		        in.close();
		        JSONObject obj = new JSONObject(response.toString());
		        System.out.println(obj);
			}
			else {
				System.out.println("Can't get data");
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
}