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JSP What is EL

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
JSP EL is intended to replace the use of Java scriptlets in developing JSP based web applications.

JSP EL Implicit Objects

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
The javaserver pages (jsp) technology defines a number of EL implicit objects.

JSP EL Arithmetic Evaluation

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
There are many cases within web-application development where you need to perform some mathematics on a page.

JSP EL Comparisons

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
A useful feature of the JSP EL is to perform comparisons, either between object or numbers.

JSP EL Logical Operators

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
JSP EL enables you to perform logical operations on Boolean arguments.

JSP EL Other Operators

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
JSP Square brackets operator and Empty operator are related to objects.

JSP EL Operator Precedence

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
Each operator has a precedent that determines the order of evaluation.

JSP EL Functions

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
An JSP EL function is mapped to a static method of a Java class.

JSP Core JSTL

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
The core JSTL contains tags that deal with flow control in JSP pages, iterating over collections, evaluating expressions, and importing resources.

JSP Formatting JSTL

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
The formatting JSTL provides support for internationalization which is to enable the formatting of data (dates, numbers, time) in different locales.

JSP SQL JSTL

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
The SQL JSTL contains tags for interacting with relational databases. This can be for instance MySQL, PostgreSQL, Oracle or Microsoft SQL server.

JSP XML JSTL

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
The XML JSTL contains tags for interacting with XML data. This includes flow control based on XPath expression, parsing of XML data, and transforming XML data using XSLT stylesheet.

JSP JSTL Functions

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
The Function JSTL contains a number of string manipulation functions. These include functions for splitting and concatenating strings, returning substrings, determining whether a string contains a specified substring, and many others.

JSP Simple Tag Handlers

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
JSP provides the capability for you to encapsulate reusable functionality into your own custom tags. In this section we will look at the simple tag handler.

JSP Classic Tag Handler Design

Using Netbeans IDE and Glassfish Server

(new: 2018-01-05)
JSP provides the capability for you to encapsulate reusable functionality into your own custom tags. In this section we will look at the classic tag handler.

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