Expedia Internship Interview Experience (On-Campus)

Expedia visited our college to hire students for FTE(2020 passed outs) and internship(2021 passed outs) in September 2019. I am a 2021 pass out.

Round 1(MCQs and coding):

1. No. of MCQs: Around 15.
2. No. of coding questions: 3
3. Duration: 90 mins.
4. Difficulty level: Easy-Medium.
5. Concepts covered: Arrays, Strings.
6. Platform: Hackerrank.

I solved 1 and a half questions and got shortlisted for the interviews. All the interviews are elimination rounds.

Round 2(Technical): The time duration was 30 min.

Questions:

1. Discussion on all the OOPS concepts (Polymorphism, Abstraction, Inheritance, Encapsulation) with real-time examples.
2. Questions on Constructors and Constructor chaining.
3. What is the Garbage collection and how it works?
4. Some tricky questions on how objects behave when they are inherited.
5. Questions on Access specifiers and Abstract classes.
6. Virtual and Super keywords.
7. Program to implement Hashing in a 2D array(2 columned).

Round 2(Technical): The time duration was 30 min.

Questions:

1. Leaders in an array. https://www.geeksforgeeks.org/leaders-in-an-array/
2. A number of ways to reach the nth stair with 1 step or 2 steps at a time.
3. A number of ways to reach the nth stair with 1 step, 2 steps, or 3 steps at a time. https://www.geeksforgeeks.org/count-ways-reach-nth-stair-using-step-1-2-3/
4. Josephus problem. https://www.geeksforgeeks.org/josephus-problem-set-1-a-on-solution/

I answered the questions with different approaches, reducing time complexities. The interviewer asked to write the code for the optimized approach. 

Round 3(HR): The time duration was 30 to 40 min.

Questions:

1. Which programming language are you comfortable in and why?
2. Long discussion on various events I participated in(mentioned them in my resume).
3. Deep discussion on my hobbies.
4. Questions on how well I can do teamwork and lead a team.
5. What is the most recent situation when you have done work independently?
6. Why do you want to join Expedia?
7. What are your meanings of MNC and hard work? (Based on the previous discussions we had).

The interviewer sees if you are honest with him and how different you are from the others.

Verdict: Selected.