Amazon Software Development Engineering Summer Intern interview questions

Two phone interviews. The first interviewer asked two coding questions: 1. Reverse a doubly-linked list 2. build a trie for a dictionary The second interviewer asked many behavior questions such as: if you cannot finish a job before the deadline, would you do your best but not finished, or tell your boss you can't...something like that. Then asked some knowledge based questions: 1. difference between inner join and outer join 2. difference between interface and abstract class in java