Guava MCQ Questions And Answers - Java Technologies

Guava MCQs : This section focuses on "basics" of Guava. These Multiple Choice Questions (MCQ) should be practiced to improve the Guava skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Guava developed by?

A. Facebook
B. Google
C. IBM
D. Microsoft

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2. Guava is?

A. open source
B. java-based library
C. reliable and fast
D. All of the above

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3. Guava provides many utility classes which are regularly required in programming application development?

A. Yes
B. No
C. Can be yes or no
D. Can not say

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4. Which of the following returns an Optional instance with no contained reference?

A. abstract <T> Optional<T> absent()
B. boolean <T> Optional<T> absent()
C. static <T> Optional<T> absent()
D. abstract T get()

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5. Which method Ensures that index specifies a valid position in an array, list or a string of size?

A. static int checkPositionIndex(int index, int size, String desc)
B. static int checkPositionIndex(int index, int size)
C. static void checkPositionIndexes(int start, int end, int size)
D. static void checkState(boolean expression)

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6. abstract int compare(T left, T right) is used to?

A. Searches sortedList for key
B. Returns an arbitrary ordering
C. Compares its two arguments for order.
D. Returns an ordering which first uses the ordering

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7. Range represents?

A. interval
B. sequence
C. random
D. Both A and B

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8. Which of the following returns true if this range has a lower endpoint?

A. hashCode
B. hasLowerBound
C. hasUpperBound
D. hasBound

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9. Objects class provides helper functions applicable to all objects such as equals, hashCode, etc.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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10. Throwables class provides utility methods related to Throwable interface.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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