// Java Program to Illustrate Use // of HttpURLConnection Class // to Retrieve Emotion score of Image // Using Microsoft Emotion API // Importing required classes import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import org.json.simple.JSONObject; // Main class // httpconclass class public class GFG {  // Main driver method  public static void main(String args[])  throws IOException  {  // Reading input via BufferedReader class  BufferedReader br = new BufferedReader(  new InputStreamReader(System.in));  int n = Integer.parseInt(br.readLine());  String key = '833921b016964f95905442e0fab0c229';  JSONObject ezm;  while (n-- > 0) {  String image = br.readLine();  ezm = new JSONObject();  ezm.put('url' image);  // Try block to check for exceptions  try {  // URL for microsoft cognitive server.  URL url = new URL(  'https://westus.api.cognitive.microsoft.com/emotion/v1.0/recognize');  HttpURLConnection con  = (HttpURLConnection)  url.openConnection();  // Setting the request method and  // properties.  con.setRequestMethod('POST');  con.setRequestProperty(  'Ocp-Apim-Subscription-Key' key);  con.setRequestProperty('Content-Type'  'application/json');  con.setRequestProperty('Accept'  'application/json');  // As we know the length of our content  // the following function sets the fixed  // streaming mode length 83 bytes. If  // content length not known comment the  // below line.  con.setFixedLengthStreamingMode(83);  // Setting the auto redirection to true  HttpURLConnection.setFollowRedirects(true);  // Overriding the default value set by  // the static method setFollowRedirect above  con.setInstanceFollowRedirects(false);  // Setting the doOutput to true for now  con.setDoOutput(true);  OutputStream out = con.getOutputStream();  // System.out.println(ezm.toString().getBytes().length);  // Writing on the output stream  out.write(ezm.toString().getBytes());  InputStream ip = con.getInputStream();  BufferedReader br1 = new BufferedReader(  new InputStreamReader(ip));  // Printing the response code  // and response message from server.  System.out.println('Response Code:'  + con.getResponseCode());  System.out.println(  'Response Message:'  + con.getResponseMessage());  // Note: Uncomment the following line to  // print the status of FollowRedirect  // property  // System.out.println('FollowRedirects:'  // +  // HttpURLConnection.getFollowRedirects());  // Printing the status of  // instanceFollowRedirect property  System.out.println(  'InstanceFollowRedirects:'  + con.getInstanceFollowRedirects());  // Printing the 1st header field  System.out.println('Header field 1:'  + con.getHeaderField(1));  // Printing if usingProxy flag set or not  System.out.println('Using proxy:'  + con.usingProxy());  StringBuilder response  = new StringBuilder();  String responseSingle = null;  while ((responseSingle = br1.readLine())  != null) {  response.append(responseSingle);  }  String xx = response.toString();  System.out.println(xx);  }  // Catch block to handle exceptions  catch (Exception e) {    // Display exception/s on console  System.out.println(e.getMessage());  }  }  } }