Lecture 24 Quiz: Servlet Interface & Life Cycle

Note

Review before quiz: Lectures | Week 8 Content | Lab 6 | Home Assignment 3

Lecture 24 Self-Check

Question 1: Which servlet lifecycle method is used for one-time resource setup such as creating a DB connection pool?

Select an item

A. service()

B. destroy()

C. init()

D. getServletInfo()

Question 2: Which scope is shared across all users from server startup to shutdown?

Select an item

A. Request scope

B. Session scope

C. Application scope

D. Page scope

Question 3: What is the core servlet container thread model behavior discussed in this lecture?

Select an item

A. One servlet instance per request

B. One thread per servlet class permanently

C. Multiple threads handle requests on the same servlet instance

D. Browser executes servlet code directly

Question 4: Which approach is recommended for thread-safe counting of requests?

Select an item

A. requestCount++

B. AtomicInteger.incrementAndGet()

C. requestCount = requestCount + 1

D. synchronized(this) on every line

Question 5: Where should long-lived resources be cleaned up to avoid leaks during shutdown?

Select an item

A. In service() after every request

B. In destroy() when the servlet is being unloaded

C. In doGet() only

D. In JSP page directives