code: public static void main(String[] args) throws TwiMLException, URISyntaxException {
  
          Twilio.init(ACCOUNT_SID, AUTH_TOKEN);
  
          Iterable<Record> usage = Record.reader().read();
          for (Record record : usage) {
              System.out.println(record);
          }
  
          // Get a number
          IncomingPhoneNumber number = buyNumber();
          System.out.println(number.getPhoneNumber());
  
          // Send a text message
          Message message = Message.creator(
              ACCOUNT_SID,
              PHONE_NUMBER,
              number.getPhoneNumber(),
              "Hello world!"
          ).create();
  
          System.out.println(message.getSid());
          System.out.println(message.getBody());
  
          // Make a phone call
          Call call = new CallCreator(
              ACCOUNT_SID,
              PHONE_NUMBER,
              number.getPhoneNumber(),
              URI.create("https://twilio.com")
          ).create();
          System.out.println(call.getSid());
  
          // Print all the messages
          Iterable<Message> messages = Message.reader().read();
          for (Message m : messages) {
              System.out.println(m.getSid());
              System.out.println(m.getBody());
          }
  
          // Get some calls
          Iterable<Call> calls = Call.reader().pageSize(2).read();
          for (Call c : calls) {
              System.out.println(c.getSid());
          }
  
          Trunk trunk = new TrunkCreator()
              .setFriendlyName("shiny trunk")
              .setSecure(false)
              .create();
  
          System.out.println(trunk);
  
          // TwiML
          TwiML twiml = new VoiceResponse.Builder()
              .say(new Say.Builder("Hello World!").build())
              .play(new Play.Builder().url(new URI("https://api.twilio.com/cowbell.mp3")).loop(5).build())
              .build();
          System.out.println(twiml.toXml());
      }
docs: Example Twilio usage.
  
  @param args command line args
  @throws TwiMLException if unable to generate TwiML