Web Services Development MCQs with Answers
Practice important Web Services Development MCQs with answers and explanations.
Multiple Choice Questions
Q131: What error occurs if a counter-controlled repetition condition is off by one?
- A: Syntax error
- B: Infinite loop
- C: Off-by-one error
- D: Null pointer exception
View Answer
C
Q132: What type of loop is used when one loop is placed inside another loop?
- A: Nested loop
- B: Infinite loop
- C: While loop
- D: Do-while loop
View Answer
A
Q133: In Java, autoboxing converts a ________ type to its corresponding object type.
- A: primitive
- B: object
- C: reference
- D: string
View Answer
A
Q134: The result of a signed right bit shift operation is assigned using which operator?
- A: <<=
- B: >>=
- C: >>>=
- D: &=
View Answer
B
Q135: The Java assignment operator "+=" is equivalent to which operation?
- A: x = x + 1
- B: x = x + y
- C: x = y + 1
- D: x + 2 = x
View Answer
B
Q136: In a nested loop, where is the inner loop placed relative to the outer loop?
- A: Before the outer loop
- B: After the outer loop
- C: Inside the outer loop
- D: Outside the outer loop
View Answer
C
Q137: A wrapper class in Java is used to encapsulate ________.
- A: A mutable value
- B: An immutable value
- C: Multiple values
- D: A reference
View Answer
B
Q138: Autoboxing is the automatic conversion from a ________ to its corresponding wrapper class.
- A: object type
- B: string
- C: primitive type
- D: boolean
View Answer
C
Q139: What is the result of the following code? "int a = 5; int b = a--; int c = a * b;"
- A: a=5, b=5, c=25
- B: a=4, b=5, c=20
- C: a=4, b=4, c=16
- D: a=5, b=4, c=20
View Answer
B
Q140: The operator ">>=" is used for ________ in Java.
- A: Signed left shift
- B: Signed right shift
- C: Unsigned right shift
- D: Bitwise AND
View Answer
B