Java HttpURLConnection getResponseCode

The getResponseCode is a method of Java HttpURLConnection class. This method is used to get the status code from the HTTP response message. For example, if the status line is HTTP/1.0 200 OK

Then it will return 200, or if the status line is HTTP/1.0 401 unauthorized, then it will return 401. These method returns -1 if the response from HTTP is not valid.

Syntax

Returns

It returns the status code of HTTP or -1

Throws

IOException - It throws this exception if an error occurs while connecting the server.

Example 1

import java.io.IOException; 
import java.net.HttpURLConnection; 
import java.net.URL; 
public class JavaHttpURLConnectiongetResponseCodeExample1 {
    //Starting the main method...
    public static void main(String h[]) throws IOException 
    { 
        //starting the try block
        try {
        String link_url = "https://www.mysql.com";
        int i;
        i=10;
        URL obj1 = new URL(link_url); //URL Connection Created...
        HttpURLConnection con1 = (HttpURLConnection) obj1.openConnection(); //Http URL Connection Created...
        int r_code =con1.getResponseCode(); // it is use to get the status code from HTTP response message
        System.out.println("https://www.mysql.com");
        System.out.println("Connection Response Code : "+r_code);
        if (r_code != HttpURLConnection.HTTP_OK) // HTTP_OK : HTTP Status-Code 200: OK.
        {
        System.out.println("Download failed" + r_code );
        System.exit(0);
        }
          con1.disconnect();
          System.out.println("Connection Disconnect... ");
        }
        catch (Exception e) {
            System.out.println( e);
        }
}
}

Test it Now

Output:

https://www.mysql.com
Connection Response Code : 200
Connection Disconnect...

Example 2

import java.io.IOException; 
import java.net.HttpURLConnection; 
import java.net.URL; 
public class JavaHttpURLConnectiongetResponseCodeExample2 {
    //Starting the main method...
    public static void main(String h[]) throws IOException 
    { 
             String link_url = "https://www.Facebook.com";
        String link_url1 = "https://www.javatpoint.com";
        //starting the try block
        try {
        URL obj1 = new URL(link_url); //URL Connection Created...
        HttpURLConnection con1 = (HttpURLConnection) obj1.openConnection(); //Http URL 
         URL obj2 = new URL(link_url1); //URL Connection Created...
        HttpURLConnection con2 = (HttpURLConnection) obj2.openConnection(); //Http URL 
        int r_code1 =con2.getResponseCode();
        int r_code =con1.getResponseCode(); // it is use to get the status code from HTTP response message
        System.out.println("https://www.Facebook.com");
        System.out.println("Connection Response Code : "+HttpURLConnection.HTTP_NOT_AUTHORITATIVE+" " +r_code);
        System.out.println("https://www.javatpoint.com");
        System.out.println("Connection Response Code : "+HttpURLConnection.HTTP_SEE_OTHER+" " +r_code1);
            con1.disconnect();  
        con2.disconnect();
          System.out.println("Connection Disconnect... ");
        }
        catch (Exception e) {
            System.out.println( e);
        }}}

Test it Now

Output:

https://www.Facebook.com
Connection Response Code : 203 200
https://www.javatpoint.com
Connection Response Code : 303 200
Connection Disconnect...

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