JSTL (JSP Standard Tag Library) Part I


  • What is and Why JSTL? 
  • JSTL Functional areas 
  • Core tags 
  • Database Access tags 
  • XML tags 
  • Quick review on XPath 
  • Internationalization and Text Formatting tags 
  • EL (Expression Language) functions tags

What is & Why JSTL?

What is JSTL? 

  • Standard set of tag libraries 
  • Encapsulates core functionality common to many JSP applications 
    • iteration and conditionals 
    • XML 
    • database access 
    • internationalized formatting 
  • Likely to evolve to add more commonly used tags in future versions

Why JSTL? 

  • You don't have to write them yourself 
  • You learn and use a single standard set of tag libraries that are already provided by compliant Java EE platforms 
  • Vendors are likely to provide more optimized implementation 
  • Portability of your applications are enabled

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