Amazon QA Engineer interview questions

Telephone screening followed by face 2 face. Telephonic round was for 45 minutes and on-site interview was for 3 hours. The interview was of qa methodologies java and programming

Was of 3 rounds. I applied through college. First was hacker earth platform where there were two programs and 10 mcqs on programming related concepts. Second round was three questions they gave and we had to write them down on a paper. One was a program to print alternate strings reversed. Second was on testing. Third was on debugging. Then the hr round where they askd me to write two programs.