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Question ID 4721

You have built a web application that you license to small businesses. The webapp uses a context parameter, called licenseExtension, which enables certain advanced features based on your client’s license package. When a client pays for a specific service, you provide them with a license extension key that they insert into the <context-param> of the deployment descriptor. Not every client will have this context parameter so you need to create a context listener to set up a default value in the licenseExtension parameter.
Which code snippet will accomplish this goal?
 

Option A

A.    You cannot do this because context parameters CANNOT be altered programmatically.
 

Option B

B.    String ext = context.getParameter(‘licenseExtension’);if ( ext == null ) { context.setParameter(‘licenseExtension’ DEFAULT);}
 

Option C

C.    String ext = context.getAttribute(‘licenseExtension’);if ( ext == null ) { context.setAttribute(‘licenseExtension’ DEFAULT);}
 

Option D

D.    String ext = context.getInitParameter(‘licenseExtension’)if ( ext == null ) { context.resetInitParameter(‘licenseExtension’ DEFAULT);}
 

Option E

E.    String ext = context.getInitParameter(‘licenseExtension’)if ( ext == null ) { context.setInitParameter(‘licenseExtension’ DEFAULT);}
 

Correct Answer A
Explanation


Question ID 4722

Which of the following are attributes of the annotation javax.servlet.annotation.WebFiler?
- Name
- servletNames
- urlPatterns
- dispatcherTypes
- supportAsync
 

Option A

A.    (iii) only
 

Option B

B.    (iii) and (iv)
 

Option C

C.    (ii), (iii) and (iv)
 

Option D

D.    (iii), (iv) and (v)
 

Option E

E.    (ii), (iii), (iv) and (v)
 

Correct Answer B
Explanation

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