How and when do you secure data (login credentials) for phone / internet App in a Multi-tier Application. LRU cache implementation in Java. How can you find median of million numbers using multiple nodes - basically Merge Sort algorithm - How HashMap works internally in Java. Design database table/tables to store family tree and relations. A service depends on 2 sets of data from 2 different databases, but 1 database is lagging few seconds. Solve the use case. Explain one challenging task in you last project and how did you solve it.
Sigiloso
Answered most of the questions and puzzles they asked.