Interview Questions

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Interview Questions and Answer

1. 1. For creating a filter, you must implement _________ interface?

Options:

a. FilterConfig

b. Filter

c. FilterChain

d. Servlet

Reveal Answer

2. 2. Which method is invoked by the web container to indicate to a filter that it is being placed into service?

Options:

a. init()

b. doFilter()

c. destroy()

d. service()

Reveal Answer

3. 3. Which method is invoked by the container each time a request/response pair is passed through the chain of filters?

Options:

a. init()

b. doFilter()

c. destroy()

d. service()

Reveal Answer

4. 4. ________ object is used to invoke the next filter in the chain of filters?

Options:

a. FilterConfig

b. Filter

c. FilterChain

d. FilterAction

Reveal Answer

5. 5. Which element declares a filter inside deployment descriptor ?

Options:

a. <filter-interface>

b. <filter-class>

c. <filter-definition>

d. <filter-config>

Reveal Answer

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