Walmart Interview Experience for SDE2 | Set 19 (3.8 years experience)

Round 1: Face to Face
1. Calculate a power x: Power(x, n)
2. Find pivot in sorted rotated array Sorted rotated array
3. Top view of a tree: Top view
4. Explain Singleton pattern in multi threaded environment. Why double checking lock is required ?

Round 2: Face to Face
1. Implement an immutable class that has a hashMap as instance variable
2. Internal working of a hashmap
3. Design tiny URL service
4. How hashcode and equals work. What is its significance. What are the the relative conditione between hashcode and equals eg. If 2 objects are equal there hashcode must be equals but vice versa may not be true.
5. There are 3 threads that perform the same task. Main thread starts all these threads. Find out which thread gives fastest result.

Round 3: Face to Face Hiring Manager round
Basic behavioral questions and current project discussions.

Thanks Geeks for Geeks for the prep help. Got an offer from walmart.

Write your Interview Experience or mail it to contribute@geeksforgeeks.org



My Personal Notes arrow_drop_up

Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.




Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.