BIG JAVA: LATE OBJECTS
BIG JAVA: LATE OBJECTS
2nd Edition
ISBN: 9781119626220
Author: Horstmann
Publisher: WILEY
Expert Solution & Answer
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Chapter 22, Problem 14RE

Explanation of Solution

Executing HEAD command of the HTTP :

  • The web application uses Hyper Text Transfer Protocol(HTTP) as application layer protocol.
  • HTTP is an application protocol that is used for distributive, collaborative, and hypermedia information system.
  • The HEAD command returns the header information of the given item.
  • Telnet programs allows the user to connect with server.
  • The following shows the result of executing HEAD command of the HTTP.

~$ telnet horstmann.com 80

Trying 67.220.118.65...

Connected to horstmann.com.

Escape character is '^]'.

HEAD / HTTP/1.1

Host: horstmann.com

Blank line

HTTP/1.1 200 OK

Date: Fri, 06 Jan 2012 14:54:13 GMT

Server: Apache/2...

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