Round 1:
https://www.geeksforgeeks.org/find-distance-between-two-nodes-of-a-binary-tree/amp/
Round 2:
- Questions on previous projects?
- Question on technology choices. Comparison between frameworks?
- What’s the size of the thread pool you choose?
- When do you choose between Thread class Vs Runnable Class?
- Difference between default and protected access specifier?
- Where do you choose serialization?
- What will happen if you don’t provide UUID?
- Difference between Exception and Error?
- Difference between array and ArrayList?
- Why the “main” method should be always public?
- Difference between TreeMap, LinkedHashMap?