Web Design and Development MCQs with Answers
Practice important Web Design and Development MCQs with answers and explanations.
Multiple Choice Questions
Q631: How is the Expression Language (EL) inspired?
- A: From SQL
- B: From ECMAScript and XPath
- C: From Python
- D: From Ruby
View Answer
B
Q632: What is a major benefit of using EL over scriptlets in JSP?
- A: Requires advanced scripting knowledge
- B: Awkward syntax
- C: Direct access and easier syntax
- D: Limited to specific tags
View Answer
C
Q633: Which of the following operators can be used in EL expressions?
- A: Arithmetic operators only
- B: Logical operators only
- C: Relational operators only
- D: All of the above
View Answer
D
Q634: What does the ${empty name} expression in EL check for?
- A: Whether the name is null
- B: Whether the name is empty or null
- C: Whether the name has a value
- D: Whether the name is a string
View Answer
B
Q635: How does EL handle null objects?
- A: Throws a NullPointerException
- B: Returns zero
- C: Returns an empty string
- D: Returns null without exception
View Answer
D
Q636: Which scope has the highest priority for variable lookup in EL?
- A: Page scope
- B: Request scope
- C: Session scope
- D: Application scope
View Answer
A
Q637: What type of object does the dot (.) operator in EL typically access?
- A: Arrays
- B: Collections
- C: Properties of an object
- D: Cookies
View Answer
C
Q638: How is the bracket ([ ]) operator used in EL?
- A: To access array elements
- B: To access properties of an object
- C: To retrieve request parameters
- D: To perform arithmetic operations
View Answer
A
Q639: In the example code, what is the purpose of the index.jsp page?
- A: To display search results
- B: To collect input for two numbers
- C: To submit search data
- D: To store user preferences
View Answer
C
Q640: How does the result.jsp page demonstrate the use of EL?
- A: By calculating the sum of two numbers using EL
- B: By displaying the input fields for numbers
- C: By setting properties using JSP action tags
- D: By retrieving user data from the database
View Answer
A