Oracle Software Engineer interview questions

Interviewed for OCI. For first round, I got a leetcode medium question on BST. For next 4 rounds, I was asked OCI specific technical questions, system design round, leetcode medium and hard questions on BFS, and Heap. I had one bar raise round (behavioral and resume based).

Delete the last node from the linked list. HR interview for the first round and leetcode. Anagram was asked as well during the phone interview. Was not difficult but I was not ready