JavaBeat Feeds 
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JSTL and SQL-TAGS
Author :
Ramaswamy
Date : Thu May 22nd, 2008
In this fourth and last part of the tutorial on JSTL,the author deals with the 'sql' tags in JSTL and shows how they greatly simplify simple database operations like 'select' queries. In another demo, common database operations like 'add','modify' , 'delete' and 'verify'also are dealt with.
JSTL and XML-TAGS
Author :
Ramaswamy
Date : Thu May 22nd, 2008
In this third part of the tutorial on JSTL, the author explains the use of xml tags of the JSTL and shows their wonderful simplicity ,ease of use and raw power.
Core Tags in JSTL
Author :
Ramaswamy
Date : Thu May 22nd, 2008
In the second part of this tutorial on JSTL, the author explains how the tags in the core-group can be used in JSP pages, with a number of simple examples.
An Introduction to JSTL
Author :
Ramaswamy
Date : Thu May 22nd, 2008
As J2EE programmers, we are familiar with Servlets , JSP and JavaBeans. Any JSP page should encapsulate the business logic in a bean and invoke it by using jsp:useBean tag. Till recently, a combination of Servlets, JSP and beans was the standard practice. But, the JCP realeased an API for enabling programmers to create custom tags and use them in their JSP pages. The difference between javabean and java custom tags was that, though both made use of java classes, tags can be used by non-programmers also without knowledge of Java programming, just as they would use html tags.( From a programmers perspective,however, a much more important distinction is that tags are specific to the page in which they are created while javabeans are general. )
Expression Language in JSP 2.0
Author :
Nissi
Date : Mon Aug 20th, 2007
Expression Language was first introduced in JSTL 1.0 (JSP Standard Tag Library ). Before the introduction of JSTL, scriptlets were used to manipulate application data.JSTL introduced the concept of an expression language (EL) which simplified the page development by providing standerd tag libraries. These tag libraries provide support for common, structural tasks, such as: iteration and conditionals, processing XML documents, internationalization and database access using the Structured Query Language (SQL).
The Expression Language introduced in JSTL 1.0 is now incorporated in JavaServer Pages specification(JSP 2.0). This articie gives some idea about what is Expression Language and how to simplify the maintenance for JSP applications by avoiding scripting elements.
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