30Amazon Interview Questions & Answers
1.What method do you use to find the missing number in an integer array of 1 to 100?
2.Here at Amazon, our developers work with Java quite a bit. Tell me how you find duplicate numbers in an array in Java containing multiple duplicates?
3.How do you find the starting node of a cycle if a link contains a cycle?
4.Based on your experience, what's the best way to find a node that begins with two single link lists?
5.How do you approach implementing an LRU Cache in your favorite programming language?
6.What is your experience with implementing a Binary Search Algorithm without recursion?
7.Can you walk me through the meaning behind a Depth First Search Algorithm for a binary tree?
8.Describe how do you implement an insertion sort algorithm. What is the easiest way to do it?
9.Amazon software developers use a variety of different sorting algorithms. Tell me the difference between a Comparison and Non-Comparison Sorting Algorithm.
10.Can you list the important categories of software development for me?
11.At a high level, describe what the software development life cycle process is.
12.What is verification and validation, and why it is important?
13.If hired by Amazon, one of your tasks will be to debug yours and other developers' code. As a software developer, explain the meaning of debugging, and why it is used?
14.Do you have a preferred language that you like to write programming algorithms?
15.What is software scope, and what does the process involve?
16.How would you define software configuration management?
17.Prior to starting any software development project here at Amazon, we perform a feasibility study. What is your opinion on feasibility studies, and when should it be done?
18.Explain how duplicates are removed from an array without using a library.
19.As part of software development, were you involved with working on functional and non-functional requirements?
20.Talk about the differences between structured English and Pseudo Code?
21.How would you differentiate between Quality Assurance and Quality Control as you believe it is implemented here at Amazon?
22.What software development process do you prefer to use?
23.I’ve heard applications referred to as both software and programs. Which terminology do you use, and how do these differ?
24.What are some of the types of development projects you have worked on in your past positions?
25.What are some of the software design patterns that you use, and in what situations do you use them?
26.Can you describe a challenging software development project you recently completed and the results?
27.Here at Amazon, we use Agile and Waterfall. Are you familiar with these software development methodologies and, if so, which of these do you prefer?
28.What are some of the QA processes you are familiar with and have worked with in the past?
29.What are some of the testing and debugging processes you use in your software development?
30.How much do you know about object-oriented programming?
