By David Geary
Middle JSTL is an in-depth exam of the JavaServer Pages general Tag Library (JSTL), which supplies a typical set of customized tags--including tags for new release, gaining access to URLs, database entry, internationalization, and the manipulation and transformation of XML documents--that online page authors and software program builders can use to increase sites. The publication illustrates JSTL's features with plenty of code snippet and examples. those examples are artistic and functional mixtures of tags you should use instantaneously! a complicated a part of the e-book covers JSTL configuration and integration of Java code with JSTL. JSTL defines an expression language that enables website improvement by way of offering an alternative choice to Java code in websites. The JSTL expression language additionally permits easy accessibility to facts similar to request parameters and attributes, cookies, and HTML headers. center JSTL examines all points of this strong new addition to the JavaServer Pages usual, and is written for web page authors and software program builders alike. JSTL is a Java typical for constructing dynamic sites. It offers non-programmers entry to robust operations via HTML-like tags.
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Additional resources for Core JSTL: Mastering the JSP Standard Tag Library
Unary) not ! 72. || or = The operators are listed above from left to right and top to bottom according to precedence; for example, the  operator has precedence over the . operator, and the modulus (% or mod ) operator, which represents a division remainder, has precedence over the logical operators. The . and  Operators The JSTL expression language provides two operators—. and  —that let you access scoped variables and their properties. The . operator is similar to the Java . lastName}'/> Assuming that there is a bean named name that has readable properties firstName and lastName in one of the four JSP scopes—meaning methods named getFirstName and getLastName —the preceding code fragment will display those properties.
That webpage is shown in Figure 1-2. Figure 1-2. 0 release or a nightly build. I recommend that you download the former for the sake of reliability. 0 release, you can choose between ZIP and TAR files. Once you've downloaded the Reference Implementation, you can unzip or untar the file that you downloaded in a directory of your choice. Decompressing that file will produce a top-level directory, so you don't have to worry about scattering files about in the directory of your choice. Now you know how to download and install the reference implementation.