Administration
AJAX
Apache
BrainDump
DHTML
Flash
Java
JavaScript
Multimedia
MySQL
Oracle
Perl
PHP
Practices
Python
Reviews
Security
Style-Sheets
Web Services
XML
Zend
Zope

Forums Sitemap
IBM® developerWorks
Sun Developer Network

Dedicated Servers
E-Commerce Hosting
Linux Web Hosting
Managed Hosting
Small Business Hosting
Actuate Whitepapers
VeriSign Whitepapers
VPS Hosting

Weekly Newsletter
Developer Updates
Free Website Content

Articles

Forums

All Feeds

Write For Us Get Paid

Request Media Kit

Site Map

Privacy Policy
Support

USERNAME

PASSWORD

>>> SIGN UP!

Lost Password?

JAVA

RSS

The JSP Files (part 7): Bugs, Beans And Banks

By: Vikram Vaswani and Harish Kamath, (c) Melonfire	Search For More Articles! Disclaimer Author Terms
Rating: / 2
2001-04-18

Table of Contents:

The JSP Files (part 7): Bugs, Beans And Banks

Bugathon

Exceptionally Clever

Bad News

You Throw(), I'll Catch

Bean Bag

Turning Up The Heat

	ADD THIS ARTICLE TO:
	Del.ici.ous	Digg
	Blink	Simpy
	Google	Spurl
	Y! MyWeb	Furl

Email Me Similar Content When Posted

Add Developer Shed Article Feed To Your Site

Email Article To Friend

Print Version Of Article

PDF Version Of Article

ADVERTISEMENT

Stay one step ahead of the competition. Evaluate and give feedback on some of the hottest web development tools on the market today. Make your opinion heard! Click Here

The JSP Files (part 7): Bugs, Beans And Banks - Turning Up The Heat

(Page 7 of 7 )

In order to illustrate how this works, we've written a simple Bean which accepts temperature values and converts them between Celsius and Fahrenheit scales. Here it is:

temperature.zip

And here's a page which uses it:


<html>
<head>
<basefont face="Arial">
</head>
<body>
<!-- initialize the Bean, set some defaults -->
<jsp:useBean id="c" scope="page" class="Temperature">
<jsp:setProperty name="c" property="celsius" value="10" />
</jsp:useBean>
<%
// get the current temperature
out.println("Temperature in Celsius is " + c.getCelsius() + "<p>");
// turn up the heat
c.setCelsius(36.8);
// get the current temperature
out.println("Temperature in Celsius is now " + c.getCelsius() + "<p>");
// convert the temperature to Fahrenheit
out.println(c.getCelsius() + " Celsius is " +
c.convertCelsiusToFahrenheit(c.getCelsius()) + " Fahrenheit<p>");
// ...and back again
out.println(c.getFahrenheit() + " Fahrenheit is " +
c.convertFahrenheitToCelsius(c.getFahrenheit()) + " Celsius<p>");
%>
</body>
</html>

And here's the output:


Temperature in Celsius is 10.0
Temperature in Celsius is now 36.8
36.8 Celsius is 98.24 Fahrenheit
98.24 Fahrenheit is 36.8 Celsius

And that's about it for the moment. In the next - and final - article in this series, we'll be exploring JSP's tag libraries, which allow Web designers to add powerful funtionality to their Web pages without knowing JSP. Make sure you make it out here for that one!

DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

Comments On: The JSP Files (part 7): Bugs, Beans And Banks

>>> Be the FIRST to comment on this article!

JAVA ARTICLES

- Adding Images With iTextSharp
- Adding Columns With iTextSharp
- Creating Simple PDF Files With iTextSharp
- The Spring Framework: Understanding IoC
- Introducing the Spring Framework
- Java Classes
- Completing the Syntactic Comparison of Java ...
- Syntactic Comparison of Java and C/C++
- Java Statements
- Conditionals, Expressions and Other Java Ope...
- Java Operators
- Primitive Data Types and Basic Language Rule...
- Java and Object-Oriented Programming
- Java Beginning Programming
- Gaming Development Setup
Find More Java Articles