Real Interview Questions
Oracle Interview Questions (Real, Asked)
9 real questions candidates were actually asked at Oracle interviews. Practice any of them out loud with Roundd AI and get instant feedback — free, no signup.
Practice these questions with AI feedback →- 1.
Count the number of structurally unique binary search trees (Unique Binary Search Trees) for n nodes.
Software Engineer
- 2.
Add two numbers represented by linked lists.
Software Engineer
- 3.
Group Anagrams.
Software Engineer
- 4.
Design a minimum-area rectangle, with sides parallel to the x and y axes, that covers a set of star coordinates, supporting dynamic addition of new stars.
Software Engineer
- 5.
Solve Sudoku without backtracking.
Software Engineer
- 6.
Solve the House Robber II problem.
Software Engineer
- 7.
Find the median of two sorted arrays.
Software Engineer
- 8.
Reverse a doubly linked list.
Software Engineer
- 9.
Write pseudocode for DFS and BFS, and explain how to find a loop in a tree.
Software Engineer