Snapdeal Interview for SSE

Round 1
Data Structure

1.  Given a column title as it appears in excel sheet, find the column no pertaining to that.
For ex. A -> 1
             B ->2
             AA -> 27 etc.

2.  Given a list of words. Find if two words can be joined to form a palindrome.

3.  You have 3 data points: Date, City, temperature. You can preprocess the data and keep it so that following query can be returned immediately.
  1) on 9th November, what was the temperature of Bangalore
   2) on 9th November, Give 5 hottest or coldest cities name.

Round 2
Java

1. Design elevator system along with UML diagram.
2. What is singleton and write singleton pattern.
3. Questions on other design patterns like decorator, strategy , builder etc.
4) What is advantage of using SPRING and REST etc.

Round 3
Hiring Manager

1. Why Snapdeal and what type of work excites me?
2. Where do you see yourself in next 5 years?
3. You have two classes. 1. Registry service 2. Client class and single JVM
Design a class in such a way that all the client classes register themselves to registry service when they are loaded.