Walmart | SDE3 | | Jan [Offer]

Total: 3 rounds Round 1: DS and Algo

1. Introduction of interviewer followed by my Introduction then coding problems
2. Find All Numbers Disappeared in an Array (Leetcode)
3. Remove all duplicates in an unsorted array without extra space
4. Preorder traversal of Binary Tree Round 2: Java and OOPS
5. Introduction of interviewer followed by my Introduction
6. Questions related to Java and OOPS like inner working of some classes in collections, abstract class vs interface, Functional Interfaces, Lambda, Stream api and other questions on multi threading.
7. Coding questions

• Create a singleton Class (extended to thread-safe)
• Deadlock
• Find square of all even numbers in an array using stream api (with map and filter)
• Print alternate 5 numbers using 2 threads Round 3: Hiring Manager

1. Introduction of Hiring Manager followed by my introduction
2. General discussion about my project, achievements, team and process in current company etc.
3. Discussion on company, team, process in this organisation, learning opportunities, growth opportunities etc.