Interview Questions

1. 1. What will be output of the JSP code? ${101 % 10}

Options:

a. 1

b. 10

c. 1001

d. 101 % 10

Reveal Answer

2. 2.Which will be output of following code when the query string is firstname=John&lastname=Doe? ${param.firstname} ${param.middlename} ${param.lastname} ${paramValues.lastname[0]}

Options:

a. John Doe

b. John Doe Doe

c. John null Doe

d. John null doe doe

Reveal Answer

3. 3. Which of the following statement about EL access operators is true?

Options:

a. Anywhere the .(dot) operator is used, the [] could be used instead.

b. Anywhere the [] operator is used, the .(dot) could be instead.

c. If the .(dot) operator is used to acess a bean property but the property doesnot exist, then a runtime exception is thrown.

d. There are some situations where the .(dot) operator must be used and other situations where the [] operator must be used.

Reveal Answer

4. 4.Which is true about TLD files?

Options:

a. TLD files may be placed in any subdirectory of WEB-INF.

b. TLD files are used to configure JSP environment attributes, such as scripting-invalid.

c. TLD files may be placed in the META-INF directory of the WAR file.

d. TLD files can declare both Simple and Classic tags, but TLD files are NOT used to declare Tag files.

Reveal Answer

5. 5.Assuming the standard JSTL prefix conventions are used, which JSTL tags would you use to iterate over a collection of objects?

Options:

a. <x:forEach>

b. <c:iterate>

c. <c:forEach>

d. <c:forTokens>

Reveal Answer

6. 6. Assuming the appropriate taglib directives, which is not valid examples of custom tag usage?

Options:

a. <foo:bar/>

b. <my:tag> </my:tag>

c. <mytag value="x" />

d. <c:out value="x" />

Reveal Answer

7. 7. Which of the following is not a valid implicit object in EL?

Options:

a. header

b. headerValues

c. params

d. paramValues

Reveal Answer

8. 8. Which Custom tag is used to dynamically add the contents from the provided URL to the current page at request time?

Options:

a. <c:import>

b. <c:include>

c. <c:content>

d. None of the above

Reveal Answer

9. 9. Which JSTL provide supports for string manipulation?

Options:

a. JSTL String

b. JSTL Function

c. JSTL XML

d. JSTL Formatting

Reveal Answer

10. 10. JSTL catch tag is used to handle exception and forward the page to the error page.

Options:

a. True

b. False

Reveal Answer

Interview Questions and Answer

1. 1. What will be output of the JSP code? ${101 % 10}

2. 2.Which will be output of following code when the query string is firstname=John&lastname=Doe? ${param.firstname} ${param.middlename} ${param.lastname} ${paramValues.lastname[0]}

3. 3. Which of the following statement about EL access operators is true?

4. 4.Which is true about TLD files?

5. 5.Assuming the standard JSTL prefix conventions are used, which JSTL tags would you use to iterate over a collection of objects?

6. 6. Assuming the appropriate taglib directives, which is not valid examples of custom tag usage?

7. 7. Which of the following is not a valid implicit object in EL?

8. 8. Which Custom tag is used to dynamically add the contents from the provided URL to the current page at request time?

9. 9. Which JSTL provide supports for string manipulation?

10. 10. JSTL catch tag is used to handle exception and forward the page to the error page.

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