Java HttpURLConnection disconnect() Method

The disconnect() is the method of HttpURLConnection class. This method is used to disconnect the server. This method cannot be used to implement for reusing other HttpURLConnection request.

Syntax

Example 1

import java.io.IOException; 
import java.net.HttpURLConnection; 
import java.net.URL; 
public class JavaHttpURLConnectionDisconnectMethodExample1 {
    //Starting the main method...
    public static void main(String h[]) throws IOException 
	{ 
        //starting the try block
        try 
        {
        String link_url1 ;
        link_url1="https://www.javatpoint.com";
        URL obj1 = new URL(link_url1); //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("status code from HTTP response message : "+r_code);
        con1.disconnect(); // disconnecting the connection
        System.out.println("connection disconnected");
        }
        catch (Exception e) 
        {
            System.out.println( e);
        }
    }
}

Test it Now

Output:

status code from HTTP response message : 200
connection disconnected

Example 2

import java.io.IOException; 
import java.io.InputStream;
import java.net.HttpURLConnection; 
import java.net.URL; 
public class JavaHttpURLConnectionDisconnectMethodExample2{
    //Starting the main method...
    public static void main(String h[]) throws IOException 
	{ 
        //starting the try block
        try 
        {
        String link_url1 ;
        link_url1="https://www.javatpoint.com";
        URL obj1 = new URL(link_url1); //URL Connection Created...
        HttpURLConnection con1 = (HttpURLConnection) obj1.openConnection(); //Http URL Connection Created...
        con1.connect();
        for(int a=1;a<=8;a++)
        {  
            System.out.println(con1.getHeaderFieldKey(a)+" = "+con1.getHeaderField(a));  
            con1.disconnect();
            System.out.println("Connection disconnected"); // disconnecting the connection
        } 
        }
        catch (Exception e) 
        {
            System.out.println( e);
        }
}
}

Test it Now

Output:

Date = Tue, 27 Nov 2018 04:06:28 GMT
Connection disconnected
Server = Apache
Connection disconnected
Set-Cookie = JSESSIONID=615EA0EEF0B0C58FFE5D6FB233FCA458; Path=/; Secure; HttpOnly
Connection disconnected
Content-Type = text/html;charset=ISO-8859-1
Connection disconnected
Cache-Control = max-age=2592000
Connection disconnected
Expires = Thu, 27 Dec 2018 04:06:28 GMT
Connection disconnected
Vary = Accept-Encoding,User-Agent
Connection disconnected
Keep-Alive = timeout=5, max=4000
Connection disconnected

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