Online assesment:
Call of code (HackerEarth) Test consisted of 5 Java MCQs and 2 DSA questions.
DSA Question: 1. DP strange-printer

2. Graph : I don't remeber the question.

Technical round 1:
This round was for almost 1hr 20 min.
2 DSA Question:

1. Search a 2D Matrix II
2. Variation of Diameter of Binary Tree

I was able to code both the question. After which he asked basic Java Questions like:

1. realted to hashmap and hashset
2. GC in java
3. multithreading
4. Design pattern

After 2 days I got a mail for second round.

Technical Round 2 - HM round:

Started with my brief introduction and project discussion. Asked me to explain project architecture and few questions round the project.
Explained the role and responsiblity and also asked some behavioural question.

After few days got a mail to share some documents. After Sharing doc got HR Zoom call invitation

HR
Started with both way intro. Some questions like Why you want to switch? why walmart? etc. After that Explained perks at walmart with compensation discussion. Gave verbal comfirmation.

Got the offer letter.