🔢 Array – Data Structures Interview Topics

This section explores the fundamentals and advanced operations on arrays in data structures. Learn how arrays are stored in memory, the differences between static and dynamic arrays, insertion/deletion operations, time complexity analysis, and practical coding examples. Every topic includes MCQs and real interview questions.

• 1. What is an Array?
• 2. Characteristics of Array in Data Structure
• 3. Some advantages and disadvantages of Array
• 4. What is dynamic Arrays and how it works?
• 5. What is time complexity of basic Array operations?
• 6. Difference between Array and a Dictionary?
• 7. What is Associated Array?
• 8. What is Sorted Arrays and its advantage?
• 9. How exactly idexing works in Arrays?
• 10. Compare Array based vs Linked List stack implementations?
• 11. What is Linked List? when to use over an Array/Array List?
• 12. What does Sparse Array mean?
• 13. What are time complexities of Sorted Array operations?
• 14. Compare Dynamic Array with Linked Listes and vice versa
• 15. What is the complexity of fetching from an Array O(1)?
• 16. How to merge two Sorted Arrays into a Sorted Array?
• 17. Explain Array, Array List with example?