Oracle software engineer interviews cover algorithms, data structures, system design, and coding problems drawn from real interview rounds.
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coding
Easy
Verified Question
#1
1. Top Recurring Substring
Category: Graph coding problemA search analytics service needs to find which fixed-length pattern occurs most often in a block of text. Given a lowercase string
s and a positive...Input: Graph (nodes and edges)Output: Computed result
coding
Easy
Verified Question
#2
2. Active Sprint Filter
Category: Graph coding problemA project tracking system logs team activity throughout the workday. Each log entry has the format
"teamId action timestamp", where action is...Input: Graph (nodes and edges)Output: Printed output
coding
Easy
Verified Question
#3
3. Top Frequency Substring
Category: Graph coding problemGiven a string
text containing only lowercase English letters and a positive integer k, find the substring of length k that appears most...Input: Graph (nodes and edges)Output: Computed result
coding
Easy
Verified Question
#4
4. Card Straight Check
Category: String coding problemYou are dealt five playing cards. Determine whether they can form a straight, which is a sequence of five consecutive values regardless of suit. Card...Input: String
Output: Computed result
coding
Easy
Verified Question
#5
5. [CodeSignal] Filtered Palindrome Check
Category: Array coding problemGiven two character arrays
skipChars and inputChars, determine whether inputChars forms a palindrome after removing all characters that appear...Input: ArrayOutput: Printed output
coding
Easy
Verified Question
#6
6. Eliminate Adjacent Repeats
Category: String coding problemYou are given a string
s of lowercase English letters. In one operation, you may change any single character to any other lowercase letter. Find...Input: StringOutput: Integer
coding
Easy
Verified Question
#7
7. [CodeSignal] Adjacent Character Removal
Category: Algorithm coding problemYou have a word of length
L made up only of lowercase English letters. A character at position i is called a conflict if it equals the...Input: Number(s)Output: Integer
coding
Easy
Verified Question
#8
8. Kth Largest Net Borrower
Category: String coding problemYou are analyzing a peer-to-peer lending platform. Each loan is recorded as a triplet
[borrower, lender, amount] where borrower and lender are...Input: ListOutput: Computed result
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