Chapter 7. Using JSP: Being a JSP

Question 1

In JSP what’s the scriptlet tag? What does it do?

Answer 1

Allows you to write regular Java code inside of a JSP page.

Question 2

What is a JSP Directive? What’s an example of a directive?

Answer 2

import is one of the first directives you’ll come across.

Question 3

Within JSP what’s the tag for an Expression? How does it differ from a Scriptlet?

Answer 3

It automatically prints the return out. No need to do an out.println() statement!

IMPORTANT: Contents of an expression are passed to an out.println() SO no semicolon.

Question 4

Within JSP what’s a declartion? What’s the syntax and how is it useful?

Answer 4

%!

It’s useful because you’re declaring MEMBERS of the generated servlet class.

Question 5

What are the three JSP lifecycle methods?

Answer 5

jspInit()

jspDestroy()

_jspService()

Question 6

What are the JSP implicit objects?

Answer 6

–Important Ones–

out

request

response

session

config

application

Question 7

What’s the JSP comment tag?

Answer 7

Question 8

How do you add parameters for a JSP to the Deployment Descriptor?

Answer 8

Same way you would a normal servlet, only difference is the tag is jsp-file

Question 9

How would you override the jspInit() method?

Answer 9

Make sure to use a declaration