Test your knowledge of arrays and strings with 15 easy, fundamental questions covering their properties, operations, and common usage scenarios. Perfect for beginners wanting to reinforce essential concepts and terminology on array and string manipulation.

Explore key concepts in hash maps and sets with this quiz! Test your knowledge of constant-time lookups, handling collisions, frequency counting, detecting duplicates, and leveraging hash-based data structures for problem solving. Perfect for developers preparing for coding interviews and mastering data structure fundamentals.

Sharpen your skills in sorting and searching with this fundamentals quiz! Cover the basics of common algorithms like bubble sort, quicksort, merge sort, linear search, and binary search. Learn when to use each method, analyze time complexities, and test your problem-solving ability. Perfect for students and interview prep.