Java Servlets

Question 1

What is the servlet lifecycle?

Answer 1

There is a servlet container around the web applications
1- Load Servlet Class
2- Create Instance of Servlet
3- Call the Servlet init() method
4- Call the servlet service() method
5- Call the servlet destroy method()

The steps are taken implicitly by the container

Question 2

What is a helpful method to get the hostname of the web site?

Answer 2

Request.getContextpath() will return the web site path and then add in the address to the servlet

Question 3

What are Java beans?

Answer 3

Java class that stores data. Has a bunch of methods to use. Need to have values initialized.

Question 4

Who creates the cookie?

Answer 4

The browser creates the cookie and is stored and interacts with the server.