otp verification in spring boot

//Your authentication key

	String authkey = "YourAuthKey";

	//Mobile number to which OTP needs to be sent
	String mobiles = "+91XXXXXXXXXX";

	//Your otp value to be sent.
	String otpValue = "12345";

	URLConnection myURLConnection=null;
	URL myURL=null;
	BufferedReader reader=null;

	//encoding message
	//Send SMS API
	String mainUrl="https://2factor.in/API/V1/"+authkey+"/SMS/"+mobiles+"/"+otpValue;

	//Prepare parameter string
	StringBuilder sbPostData= new StringBuilder(mainUrl);
	sbPostData.append("1=1");
	//final string
	mainUrl = sbPostData.toString();
	try
	{
	    //prepare connection
	    myURL = new URL(mainUrl);
	    myURLConnection = myURL.openConnection();
	    myURLConnection.connect();
	    reader= new BufferedReader(new InputStreamReader(myURLConnection.getInputStream()));

	    //reading response
	    String response;
	    while ((response = reader.readLine()) != null)
	    //print response
	    Log.d("RESPONSE", ""+response);

	    //finally close connection
	    reader.close();
	}
	catch (IOException e)
	{
	e.printStackTrace();

	}