The Mechanics of JavaServer Pages
A JSP begins its life as a simple text file. The JSP author will embed markup language such as HTML or XML, JavaScript or client-side VBScript, and snippets of Java code to provide the dynamic content. Each block of Java code, called a scriptlet, is surrounded by <% and %> tags.
The interface for the compiled JSP must have three methods defined:
jspInit() jspDestroy() _jspService(HttpServletRequest request, HttpServletResponse response)
The jspInit() and jspDestroy methods can be defined by the JSP author, while the _jspService method is the compiled version of the JSP page. The creation of the _jspService is the responsibility of the JSP engine.
The jspInit() and jspDestroy() methods are each executed just ...
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