11. Which Java class is used to create a thread-safe map that is part of the Java Collections Framework? A. HashMap B. TreeMap C. ConcurrentHashMap D. LinkedHashMap Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
12. Which Python library is used to create and manipulate arrays of numerical data? A. datetime B. numpy C. functools D. datetime Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
13. Which C++ standard library class is used for managing a sequence of elements with fast insertions and deletions? A. array B. deque C. list D. vector Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
14. In Python, which module provides a set of functions for functional programming, such as map and filter? A. collections B. itertools C. math D. functools Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
15. Which header file in C++ provides support for random number generation? A. <random> B. <cmath> C. <string> D. <algorithm> Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
16. Which C++ standard library header provides the unordered_map container? A. <queue> B. <set> C. <map> D. <unordered_map> Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
17. In Python, which module provides a collection of mathematical functions for operations on arrays? A. statistics B. math C. numpy D. random Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
18. Which Java class from the Collections Framework implements a thread-safe list? A. LinkedList B. CopyOnWriteArrayList C. Vector D. LinkedList Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
19. Which C++ standard library class provides a set of functions for input and output operations? A. cstdio B. sstream C. iostream D. fstream Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
20. What does the itertools module in Python provide? A. Data structure manipulation functions. B. Mathematical operations on large datasets. C. Data serialization and deserialization. D. Functions for creating iterators for efficient looping. Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
