How is a hash map implemented in Java?
Software Development Engineer Ii Interview Questions
2,268 software development engineer ii interview questions shared by candidates
Write a function to find number that occur odd times in input array
Design an event ticket system? Reinvent Ticketmaster.
1. how to implement an online shopping site aggregator? 2. implement LRU cache
Design a traffic signal control system
NDA. Hackerrank had the more difficult challenges. Onsite were mostly design something you are familiar with, answering behavioral question using STAR method and linking it to their LP, and various graph based problems.
NDA Cannot declare the questions
Basic DS questions: LRU cache, trees, count the islands.
How would you design a warehouse?
In online coding, I solved one question using dictionary (Leetcode easy) and other one was related to dynamic programming (Leetcode medium). In telephonic interview, I solved Leetcode easy problem and in the follow up I used dynamic programming to solve it efficiently. Interview day: - My interview day started with a project manager and cpnding task was to convert Java code to python code. I requested him couple of times that I am not friendly with Java and I also conveyed a recruiter that I will use Python during my coding interviews (this must be negative feedback). I have never seen such kind of questions during my Leetcode or Geeks for geeks practice. - In the second slot of interview day, an interviewer asked me lot of time and space complexity questions i.e. factorial, fibonacci, binary search etc. I had only 10 minutes to solve coding problem (Leetcode medium: count distinct sub trees with sum K). - During the system design interview, I had to design restaurant management system. This went well. - In the last, I solved (Leetcode medium: jump problem) and in the follow up question I had to trace jump indexes. This went well too. From my point of view, FAANG interviews always focus on data structures and algorithms skills not like convert one language code to other language. At the end, I got disappointment. Note: Amazon also focuses more on Leadership principles.
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