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The eight listeners for the exam

 
Himai Minh
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On p. 182, chapter 5 of Head First book, there are 8 listeners: ServletContextAttributeListener, HttpSessionListener, ServletRequestListener.....

For the exam, do I need to know the implementations of all of them or just need to know their definitions?

The book only provides an example of HttpServletBindingListener. I assume this listener is the most important one for this exam?
 
Abhay Agarwal
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First of all, I guess Head First book is not a book for exam preparation. Head First book is to gain knowledge of Servlets/JSP. So, contents of this book can not be mapped back to Oracle exam objectives.
For the exam, Yes, you need to know all 8 listeners and difference among them (and which listener to use in which scenario)

 
Himai Minh
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Yes. The Head First for Servlet and JSP is dedicated for this exam . It is written by the creators of the exam.
Everyone is recommending to read it for this exam.
 
K. Tsang
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For the WCD exam, do need to know all 8 listeners: when to use which listener and the event (parm) they take
 
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