April 2002
Beginner to intermediate
1128 pages
26h 33m
English
book
Sams Teach Yourself J2EE™ in 21 Days
by Martin Bond, Dan Haywood, Debbie Law, Andy Longshaw, Peter Roxburgh
Content preview from Sams Teach Yourself J2EE™ in 21 Days
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Q&A
| Q1: | What are the two main HTTP methods used to send requests to a Web server? What is the main difference between them? Which should I use to send sensitive information to the server? |
| A1: | The two main methods are GET and POST. GET adds any request parameters to the URL query string, whereas POST sends its parameters as part of the request body. It is for this reason that you should use POST to send sensitive information. |
| Q2: | What are the main uses for a ServletContext object? |
| A2: | The main uses are to set and store attributes, log events, obtain URL references to resources, and get the MIME type of files. |
| Q3: | What are the names of the methods I must implement to handle HTTP GET and POST requests? |
| A3: | The methods are doGet() and doPost(). |
| Q4: | What ... |
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.