31. Which C++ standard library header provides functions for manipulating strings using regular expressions? A. <string> B. <algorithm> C. <regex> D. <iostream> 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
32. In Python, which module is used to work with file and directory operations? A. math B. os C. datetime D. math 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
33. Which Java class provides methods for fixed-size arrays with automatic resizing? A. HashSet B. Vector C. ArrayList D. LinkedList 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
34. What functionality does the itertools module in Python offer? A. Mathematical operations on arrays. B. Advanced string manipulation. C. File input and output operations. D. 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
35. Which header file in C++ provides support for atomic operations and memory models? A. <atomic> B. <mutex> C. <thread> D. <iostream> 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
36. In Java, which class provides a collection that maintains the order of elements based on their insertion? A. PriorityQueue B. TreeSet C. HashSet D. LinkedHashSet 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
37. Which Python module is specifically designed for efficient mathematical operations on large data sets? A. random B. json C. numpy D. csv 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
38. Which C++ standard library provides algorithms for manipulating data in a functional programming style? A. <utility> B. <functional> C. <numeric> D. <utility> 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
39. What does the math module in Python provide? A. Mathematical functions and constants. B. Data structure manipulation. C. String parsing functions. D. File handling functions. 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
40. Which Java class is used to handle concurrent tasks in a multi-threaded environment? A. StringBuilder B. HashMap C. ArrayList D. ExecutorService 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
