Chapter 27

Question 1

What is J2EE

Answer 1

Java 2 enterprise edition. Its a specification. Companies can follow the specifications and make server. e.g. Apachi

Question 2

What is the root folder for tomcat

Answer 2

webapps

e.g. http://localhost:8080

Question 3

What is WAR file

Answer 3

Web archive files. All projects files can be packed into WAR file and then we can distribute our project.

Question 4

What are 2 packages for servlets

Answer 4

1- javax.servlet

2- javax.servlet.http

Question 5

What are 2 types of servlets

Answer 5

1- Generic Servlet

2- Http Servlet

Question 6

What is GenericServlet for

Answer 6

For writing protocol independent servlet

Question 7

What is Httpservlet for

Answer 7

It extends from genericservlet and it adds functionality for writing http specific servlets

Question 8

What is the interface every servlet must have

Answer 8

javax.servlet.Servlet interface

Question 9

What are methods in servlets to entertain get and post

Answer 9

doget and dopost methods

Question 10

Who tells tomcat which classes and servlets you have

Answer 10

Deployment descriptor. Its an XML file.

Question 11

What are 2 parameters of doGET() method

Answer 11

1- Request

2- Response