Java - URL getHost() Method with Examples

Description

The Java URL getHost() method returns the host name of this URL, if applicable. The format of the host conforms to RFC 2732, i.e. for a literal IPv6 address, this method will return the IPv6 address enclosed in square brackets ('[' and ']').

Declaration

Following is the declaration for java.net.URL.getHost() method

public String getHost()

Parameters

NA

Return Value

the host name of this URL.

Exception

NA

Example 1

The following example shows the usage of Java URL getHost() method for a valid url with https protocol. In this example, we're creating an instances of URL class. Now using getHost() method, we're getting the host name and printing the same −

package com.tutorialspoint;

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

public class UrlDemo {
   public static void main(String [] args) {
      try {
         URL url = new URL("https","www.tutorialspoint.com","/index.htm");
         String hostName = url.getHost();
         System.out.println(hostName);
      } catch (IOException e) {
         e.printStackTrace();
      }
   }
}

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

Output

www.tutorialspoint.com

Example 2

The following example shows the usage of Java URL getHost() method for a valid url with query parameters. In this example, we're creating an instances of URL class. Now using getHost() method, we're getting the host name and printing the same −

package com.tutorialspoint;

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

public class UrlDemo {
   public static void main(String [] args) {
      try {
         URL url = new URL("https://www.tutorialspoint.com/index.htm?language=en#j2se");
         String hostName = url.getHost();
         System.out.println(hostName);
      } catch (IOException e) {
         e.printStackTrace();
      }
   }
}

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

Output

www.tutorialspoint.com

Example 3

The following example shows the usage of Java URL getHost() method for a valid url with file protocol. In this example, we're creating an instances of URL class. Now using getHost() method, we're getting the host name and printing the same −

package com.tutorialspoint;

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

public class UrlDemo {
   public static void main(String [] args) {
      try {
         URL url = new URL("file","www.tutorialspoint.com","/index.htm");
         String hostName = url.getHost();
         System.out.println(hostName);
      } catch (IOException e) {
         e.printStackTrace();
      }
   }
}

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

Output

www.tutorialspoint.com