content: import com.notnoop.apns.APNS;
  import com.notnoop.apns.ApnsService;
  
  public class IOSPush {
      /**
       * Replace DEVICE_TOKEN with your DEVICE_TOKEN
       * Replace PATH_TO_P12_CERT with your YOUR_P12_CERTIFICATE_PATH
       * Replace CERT_PASSWORD with your YOUR_P12_CERTIFICATE_PASSWORD
       */
      private static String DEVICE_TOKEN = "YOUR_DEVICE_TOKEN";
      private static String PATH_TO_P12_CERT = "YOUR_P12_CERTIFICATE_PATH";
      private static String CERT_PASSWORD = "YOUR_P12_CERTIFICATE_PASSWORD";
  
      public static void main(String[] args) {
          ApnsService service =
                  APNS.newService()
                          .withCert(PATH_TO_P12_CERT, CERT_PASSWORD)
                          .withSandboxDestination()
                          .build();
  
          String payload = APNS.newPayload()
                  .alertBody("My first notification\nHello, I'm push notification")
                  .sound("default")
                  .build();
  
          service.push(DEVICE_TOKEN, payload);
          System.out.println("The message has been hopefully sent...");
      }
  }
  