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Description

The Java URLConnection getContentType() method returns the value of the content-type header field.

Declaration

Following is the declaration for java.net.URLConnection.getContentType() method

public String getContentType()

Parameters

NA

Return Value

the content type of the resource that the URL references, or null if not known.

Exception

NA

Example 1

The following example shows the usage of Java URLConnection getContentType() method for a valid url with https protocol. In this example, we're creating an instance of URL class. Using url.openConnection() method, we're getting the URLConnection instance. Using getContentType(), we're getting the value of content-type header field of URLConnection instance and printing the same −

package com.tutorialspoint;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

public class UrlConnectionDemo {
   public static void main(String [] args) {
      try {
         URL url = new URL("https://www.tutorialspoint.com");
         URLConnection urlConnection = url.openConnection();

         System.out.println(urlConnection.getContentType());

      } catch (IOException e) {
         e.printStackTrace();
      }
   }
}

Let us compile and run the above program, this will produce the following result −

Output

null

Example 2

The following example shows the usage of Java URLConnection getContentType() method for a valid url with http protocol. In this example, we're creating an instance of URL class. Using url.openConnection() method, we're getting the URLConnection instance. Using getContentType(), we're getting the value of content-type header field of URLConnection instance and printing the same −

package com.tutorialspoint;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

public class UrlConnectionDemo {
   public static void main(String [] args) {
      try {
         URL url = new URL("http://www.tutorialspoint.com");
         URLConnection urlConnection = url.openConnection();

         System.out.println(urlConnection.getContentType());

      } catch (IOException e) {
         e.printStackTrace();
      }
   }
}

Let us compile and run the above program, this will produce the following result −

Output

null

Example 3

The following example shows the usage of Java URLConnection getContentType() method for a url of google with http protocol. In this example, we're creating an instance of URL class. Using url.openConnection() method, we're getting the URLConnection instance. Using getContentType(), we're getting the value of content-type header field of URLConnection instance and printing the same −

package com.tutorialspoint;

import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;

public class UrlConnectionDemo {
   public static void main(String [] args) {
      try {
         URL url = new URL("http://www.google.com");
         URLConnection urlConnection = url.openConnection();

         System.out.println(urlConnection.getContentType());

      } catch (IOException e) {
         e.printStackTrace();
      }
   }
}

Let us compile and run the above program, this will produce the following result −

Output

null

java_urlconnection.htm