Chapter 28 Flashcards
1
Q
Can we create and destroy servlet
A
Yes
2
Q
What is servlet life cycle/stages
A
1- Initialize
2- Service
3- Destroy
3
Q
What is method to initialize servlet
A
init()
It is called only once
4
Q
Is there constructor in servlet
A
No
5
Q
What method is used for service for servlet
A
service()
6
Q
What is service stage of servlet
A
The service() stage is the engine of the servlet, which actually processes the client’s request. On every request from the client, the server spawns a new thread and calls the service() method. This makes it more efficient as compared to the technologies that use single thread to respond to requests.
7
Q
What is method for destroy stage of servlet
A
destroy()
8
Q
What is destroy stage
A
The web server may decide to remove a previously loaded servlet instance. It is called servlet destroy.
9
Q
What are 2 types of data submit to web server
A
- Form data
2. HTTP Request Header Data
10
Q
What are 3 methods of HttpServletRequest to extract data from html form
A
getParameter
getParameterValues
getParameterNames
11
Q
What is the port number of tomcat server bundled with netbeans by default
A
8084
