JPMorgan vs Oracle Interview Questions
JPMorgan lists 78 LeetCode interview questions while Oracle lists 314. They share 38 problems — 49% of JPMorgan's bank and 12% of Oracle's. Focus on the overlap first, then drill into 40 JPMorgan-only and 276 Oracle-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 38 overlapping problems first. These are the highest-yield questions for candidates interviewing at both JPMorgan and Oracle.
Step 2 — Company-specific depth: Add JPMorgan-specific problems like Minimum Swaps to Make Strings Equal, Determine Color of a Chessboard Square, Button with Longest Push Time and Oracle-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Oracle skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
38 Shared Questions
High-priority problems to practice for both JPMorgan and Oracle.
| Problem | Difficulty |
|---|---|
| Group Anagrams | Medium |
| Count Binary Substrings | Easy |
| Two Sum | Easy |
| Rotate Image | Medium |
| Meeting Rooms II | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Minimum Absolute Difference | Easy |
| Minimum Number of Steps to Make Two Strings Anagram | Medium |
| Sliding Window Maximum | Hard |
| Longest Substring Without Repeating Characters | Medium |
| Longest Palindromic Substring | Medium |
| Valid Parentheses | Easy |
| Merge Intervals | Medium |
| Happy Number | Easy |
| LRU Cache | Medium |
| Minimum Cost to Make Array Equal | Hard |
| Find Median from Data Stream | Hard |
| Distinct Subsequences | Hard |
| Climbing Stairs | Easy |
| Reverse Linked List | Easy |
| Coin Change | Medium |
| Non-overlapping Intervals | Medium |
| Degree of an Array | Easy |
| Top K Frequent Elements | Medium |
| Two Sum II - Input Array Is Sorted | Medium |
| Permutations | Medium |
| Letter Combinations of a Phone Number | Medium |
| Set Matrix Zeroes | Medium |
| Container With Most Water | Medium |
| Spiral Matrix | Medium |
Showing top 30 of 38 shared problems.
Unique to JPMorgan (40)
Problems in JPMorgan's list that do not appear at Oracle.
Unique to Oracle (276)
Problems in Oracle's list that do not appear at JPMorgan.
| Problem | Difficulty |
|---|---|
| Number of Islands | Medium |
| Merge k Sorted Lists | Hard |
| 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 |
| 3Sum | Medium |
| Min Stack | Medium |
| Valid Anagram | Easy |
| Rotting Oranges | Medium |
| Find Valid Pair of Adjacent Digits in String | Easy |
Frequently Asked Questions
How many LeetCode questions do JPMorgan and Oracle share?
JPMorgan and Oracle share 38 LeetCode interview questions. 40 problems appear only in JPMorgan's list and 276 appear only in Oracle's list.
What topics overlap most between JPMorgan and Oracle?
The most common shared topics between JPMorgan and Oracle are Array (17 shared questions), Hash Table (10 shared questions), String (8 shared questions), Sorting (7 shared questions), Two Pointers (6 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: JPMorgan or Oracle?
JPMorgan has 25 Easy, 45 Medium, and 8 Hard questions. Oracle has 61 Easy, 194 Medium, and 59 Hard questions. Oracle has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both JPMorgan and Oracle?
Start with the 38 shared problems since they cover what both companies ask most often. Then add 20 JPMorgan-specific and 20 Oracle-specific questions to round out your prep.