Top MCQs on JSP (Advanced Java)

11.) When should you use the <jsp:forward> action in a JSP page?

A) To include external JavaScript files.
B) To include content from another file.
C) To forward the request to another resource.
D) To display the result of a Java expression.

Answer: Option C

Explanation: The <jsp:forward> action is used to forward the request to another resource in JSP.

12.) What is the purpose of the <jsp:useBean> action in JSP?

A) To create or retrieve a JavaBean object.
B) To define custom tag libraries.
C) To include external resources.
D) To specify error handling settings.

Answer: Option A

Explanation: The <jsp:useBean> action is used to create or retrieve a JavaBean object in JSP.

13.) In JSP, what does the <jsp:setProperty> action do?

A) It sets properties of JavaBean objects.
B) It includes external JavaScript files.
C) It defines custom tags.
D) It redirects the request to another URL.

Answer: Option A

Explanation: The <jsp:setProperty> action is used to set properties of JavaBean objects in JSP.

14.) What is the purpose of the <jsp:getProperty> action in JSP?

A) To forward the request to another resource.
B) To include content from another resource at runtime.
C) To get properties of JavaBean objects.
D) To define custom functions.

Answer: Option C

Explanation: The <jsp:getProperty> action is used to get properties of JavaBean objects in JSP.

15.) What is Expression Language (EL) in JSP used for?

A) To define custom tags.
B) To embed JavaScript code.
C) To evaluate and display dynamic data within a JSP page.
D) To create session objects.

Answer: Option C

Explanation: Expression Language (EL) in JSP is used to evaluate and display dynamic data within a JSP page.

16.) Which symbol is used to enclose EL expressions in JSP?

A) {{ … }}
B) ${ … }
C) << … >>
D) @@ … @@

Answer: Option B

Explanation: EL expressions in JSP are enclosed in ${ … } symbols.

17.) What can you access using EL expressions in JSP?

A) Server-side database tables.
B) Client-side JavaScript functions.
C) JavaBean properties, request parameters, and other objects.
D) External CSS styles.

Answer: Option C

Explanation: EL expressions in JSP can be used to access JavaBean properties, request parameters, and other objects.

18.) What are custom tags in JSP used for?

A) To define page-specific settings.
B) To include external resources.
C) To create reusable components or functions.
D) To specify error messages.

Answer: Option C

Explanation: Custom tags in JSP are used to create reusable components or functions that can be used within JSP pages.

19.) Which mechanism is used to define custom tags in JSP?

A) <%@ taglib … %>
B) <%@ include … %>
C) <%@ page … %>
D) <% … %>

Answer: Option A

Explanation: The <%@ taglib … %> directive is used to specify custom tag libraries in JSP.

20.) What is the purpose of the <custom:myTag> syntax in JSP?

A) To define a custom tag library.
B) To include external resources.
C) To declare a custom tag.
D) To create a JavaBean object.

Answer: Option C

Explanation: The <custom:myTag> syntax in JSP is used to declare a custom tag.

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