eBay vs Oracle Interview Questions
eBay lists 62 LeetCode interview questions while Oracle lists 314. They share 34 problems — 55% of eBay's bank and 11% of Oracle's. Focus on the overlap first, then drill into 28 eBay-only and 280 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 34 overlapping problems first. These are the highest-yield questions for candidates interviewing at both eBay and Oracle.
Step 2 — Company-specific depth: Add eBay-specific problems like Remove One Element to Make the Array Strictly Increasing, Alternating Digit Sum, Partition Equal Subset Sum and Oracle-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: eBay skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
34 Shared Questions
High-priority problems to practice for both eBay and Oracle.
| Problem | Difficulty |
|---|---|
| LRU Cache | Medium |
| Two Sum | Easy |
| Spiral Matrix | Medium |
| Top K Frequent Elements | Medium |
| Open the Lock | Medium |
| Number of Islands | Medium |
| Word Ladder | Hard |
| Pow(x, n) | Medium |
| Set Matrix Zeroes | Medium |
| Merge Intervals | Medium |
| Valid Parentheses | Easy |
| Course Schedule | Medium |
| Longest Palindromic Substring | Medium |
| Time Based Key-Value Store | Medium |
| Group Anagrams | Medium |
| 3Sum | Medium |
| Rotting Oranges | Medium |
| Kth Largest Element in an Array | Medium |
| Sort Colors | Medium |
| Word Search | Medium |
| Maximal Square | Medium |
| Jump Game II | Medium |
| Reorganize String | Medium |
| Generate Parentheses | Medium |
| Find Peak Element | Medium |
| Merge k Sorted Lists | Hard |
| Top K Frequent Words | Medium |
| Palindrome Linked List | Easy |
| Clone Graph | Medium |
| Longest Substring Without Repeating Characters | Medium |
Showing top 30 of 34 shared problems.
Unique to eBay (28)
Problems in eBay's list that do not appear at Oracle.
| Problem | Difficulty |
|---|---|
| Remove One Element to Make the Array Strictly Increasing | Easy |
| Alternating Digit Sum | Easy |
| Partition Equal Subset Sum | Medium |
| Binary Gap | Easy |
| Minimize Maximum Pair Sum in Array | Medium |
| Minimum Window Subsequence | Hard |
| Design Skiplist | Hard |
| Subtree of Another Tree | Easy |
| Binary Tree Cameras | Hard |
| Reverse Pairs | Hard |
| Valid Palindrome II | Easy |
| Matchsticks to Square | Medium |
Unique to Oracle (280)
Problems in Oracle's list that do not appear at eBay.
| Problem | Difficulty |
|---|---|
| Sliding Window Maximum | Hard |
| Meeting Rooms II | Medium |
| Minimum One Bit Operations to Make Integers Zero | Hard |
| LFU Cache | Hard |
| Search in Rotated Sorted Array | Medium |
| Asteroid Collision | Medium |
| Remove All Adjacent Duplicates in String II | Medium |
| Container With Most Water | Medium |
| Reverse Linked List | Easy |
| Trapping Rain Water | Hard |
| Longest Consecutive Sequence | Medium |
| Min Stack | Medium |
Frequently Asked Questions
How many LeetCode questions do eBay and Oracle share?
eBay and Oracle share 34 LeetCode interview questions. 28 problems appear only in eBay's list and 280 appear only in Oracle's list.
What topics overlap most between eBay and Oracle?
The most common shared topics between eBay and Oracle are Array (17 shared questions), Hash Table (12 shared questions), String (11 shared questions), Sorting (8 shared questions), Matrix (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: eBay or Oracle?
eBay has 10 Easy, 39 Medium, and 13 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. eBay has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both eBay and Oracle?
Start with the 34 shared problems since they cover what both companies ask most often. Then add 20 eBay-specific and 20 Oracle-specific questions to round out your prep.