Prepare for Oracle technical interviews with 342 tracked LeetCode questions, sortable by difficulty and topic.
| Title | Difficulty | Topics | Frequency | LeetCode |
|---|---|---|---|---|
| Bulb Switcher | Medium | 100% | Solve | |
| Binary Tree Cameras | Hard | 100% | Solve | |
| Diagonal Traverse | Medium | 100% | Solve | |
| Find All Duplicates in an Array | Medium | 100% | Solve | |
| Find Common Characters | Easy | 100% | Solve | |
| Island Perimeter | Easy | 100% | Solve | |
| Longest Substring with At Most K Distinct Characters | Medium | 100% | Solve | |
| Maximum Earnings From Taxi | Medium | 100% | Solve | |
| LRU Cache | Medium | 100% | Solve | |
| Max Stack | Hard | 100% | Solve | |
| Logger Rate Limiter | Easy | 100% | Solve | |
| Longest Substring Of All Vowels in Order | Medium | 100% | Solve | |
| Maximum Good People Based on Statements | Hard | 100% | Solve | |
| Make Array Non-decreasing or Non-increasing | Hard | 100% | Solve | |
| Minimum Sideway Jumps | Medium | 100% | Solve | |
| Number of Visible People in a Queue | Hard | 100% | Solve | |
| Reformat Date | Easy | 100% | Solve | |
| Remove All Adjacent Duplicates in String II | Medium | 100% | Solve | |
| Shortest Path in a Grid with Obstacles Elimination | Hard | 100% | Solve | |
| Sort an Array | Medium | 100% | Solve |
342 questions total
Company analytics
Questions tracked
342
Questions currently linked to Oracle
Topics represented
56
Distinct topics visible in this company set
Dominant difficulty
medium
60% of tracked questions
Avg frequency score
58.6
Mean frequency across this company question set
Oracle currently has 342 tracked questions linked to 56 topics, so this page is a good benchmark for how deep the dataset goes on one employer.
The most common topics for Oracle include Array, String, Hash Table, and Dynamic Programming. Array alone appears 170 times in the visible topic distribution. That topic spread helps you identify whether this company is repeating a few patterns or testing across a broader surface area.
The current question set averages a frequency score of 58.6, and medium is the dominant difficulty bucket at 60% of tracked coverage. That makes it easier to decide whether to practice for repetition, complexity, or both.
Oracle related paths
This section answers the most practical questions about using the Oracle route as a company-specific LeetCode study page.
Start with the highest-frequency questions inside Array, String, and Hash Table, then sort the table by frequency to build a shortlist. That gives you a faster first pass through Oracle's interview patterns than trying to cover every linked problem at once.
medium makes up 60% of the tracked Oracle question set. Use that split to decide whether your study plan should emphasize coverage, realistic interview pressure, or deeper problem solving.
Use this page to identify Oracle's strongest topic signal, then open Array and the global most-asked or questions explorer routes to see whether that company-specific pattern is also common across the wider dataset.
