Amazon Developer interview questions

Four 45-min 1:1 technical interviews, plus a lunch interaction before hand. Asked to code during first two. Answered large-scale conceptual questions in third. Asked for definitions/explanations of OOD ideas and then more code in the 4th.

1) Why Amazon 2) Background questions (What you did, what research, what challenge). 3) When you click submit, what happened underneath web browser 4) What’s the connection between web browser and server 5) What’s the difference between process and thread 6) In what case using multiple processes and what case using multiple threads. 7) Tell something about tree 8) BFS 9) Writing code, find the number occurs odd times in an array.