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Oracle Associate Software Developer Interview Questions and Answers
Oracle Associate Software Developer Interview Experiences
4 interviews found
Anonymous
I applied via Campus Placement and was interviewed in Aug 2024. There were 3 interview rounds.
Basic one along with os, dbms fundamentals
One question can be solved using dp
(2 Questions)
- Q1. Identify the longest palindromic substring
- Ans.
A palindromic substring is a string that reads the same forwards and backwards.
Use dynamic programming to find the longest palindromic substring.
Start by considering each character as the center of a potential palindrome.
Expand outwards from each center to check for palindromic property.
Keep track of the longest palindromic substring found so far.
Example: Input 'babad', Output 'bab' or 'aba'.
- Q2. Questions based on resume/projects
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed before Dec 2023. There were 2 interview rounds.
Verbal, quants and logical reasoning. 160mins duration
Dynamic programming questions on tree and linked lists
Interview Preparation Tips
I applied via LinkedIn and was interviewed in Jun 2022. There were 2 interview rounds.
The online test consisted of 4 sections, Aptitude, logical reasoning, Computer Programming and English Comprehension.
(1 Question)
- Q1. Technical round where questions on core DBMS concepts were asked.
Interview Preparation Tips
- Data Structures
- OS
What people are saying about Oracle
I applied via Campus Placement and was interviewed before Sep 2021. There were 4 interview rounds.
Questions related to DSA, Basic English, Operating System and DBMS
2 Coding Questions related to trees and graphs
(4 Questions)
- Q1. What are the fundamentals of OOPS?
- Ans.
OOPS fundamentals include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods together in a class.
Inheritance: Creating new classes from existing ones, inheriting their properties and behaviors.
Polymorphism: Objects of different classes can be treated as objects of a common superclass.
Abstraction: Hiding complex implementation details and providing simplified interfaces.
- Q2. What were your projects during college?
- Q3. Some basic queries related to SQL.
- Q4. Write down the code for LCA of a binary Tree.
- Ans.
Code for finding the Lowest Common Ancestor (LCA) of a binary tree.
Start by checking if the root is null or equal to either of the given nodes. If so, return the root.
Recursively search for the LCA in the left and right subtrees.
If both nodes are found in different subtrees, return the root as the LCA.
If both nodes are found in the same subtree, continue searching in that subtree.
(2 Questions)
- Q1. Why do you want to join Oracle?
- Q2. What makes you a suitable candidate for the job?
Interview Preparation Tips
- DSA
Skills evaluated in this interview
Oracle interview questions for designations
Interview questions from similar companies
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Simple program
- Q2. I wrote a simple program in C
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Tell me about Yourself, some questions related to machine learning, and I was asked more questions to differentiate like differences between ml and ai, python and c, c and java and procedural and functiona...
Interview Preparation Tips
I was interviewed before Jun 2021.
(2 Questions)
Round duration - 180 minutes
Round difficulty - Easy
It was an mcq + coding round. There were aptitude and ouput based question in mcq. And coding questions were easy
- Q1.
Find the Duplicate Number Problem Statement
Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...
- Ans.
Find the duplicate number in an array of integers from 0 to (N-2).
Iterate through the array and keep track of the frequency of each number using a hashmap.
Return the number with a frequency greater than 1 as the duplicate number.
Time complexity can be optimized to O(N) using Floyd's Tortoise and Hare algorithm.
- Q2.
Reverse String Operations Problem Statement
You are provided with a string
Sand an array of integersAof sizeM. Your task is to performMoperations on the string as specified by the indices in arrayA... - Ans.
Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.
Iterate through the array of indices and reverse the substrings accordingly
Ensure the range specified by each index is non-empty
Return the final string after all operations are completed
Round duration - 60 Minutes
Round difficulty - Easy
It was technical + hr round. there were 2 people as interviewer. They stated from intro and asked some basic puzzles and hr questions. After that they asked about my projects, technologies and some ds algo and dbms questions.
Interview Preparation Tips
Tip 1 : Practice aptitude
Tip 2 : Focus on practicing coding
Tip 3 : Learn from mistakes
Tip 1 : Mention some projects that you have done
Tip 2 : Try to have skills that are required for the role
Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Jul 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. They asked me the Fibonacci series then all about gate subjects like computer network and operating system
Interview Preparation Tips
I applied via Referral and was interviewed before Mar 2021. There were 2 interview rounds.
Very easy
(2 Questions)
- Q1. What are your strengths and weaknesses?
- Q2. Tell me about yourself.
Interview Preparation Tips
I was interviewed before Sep 2020.
(1 Question)
Round duration - 90 minutes
Round difficulty - Easy
This was MCQ+Coding round.
- Q1. How can you check if two strings are anagrams of each other?
- Ans.
Check if two strings are anagrams by comparing the sorted versions of the strings.
Sort both strings and compare if they are equal.
Use a hashmap to store the frequency of characters in each string and compare the maps.
Ignore spaces and punctuation when comparing the strings.
Round duration - 90 minutes
Round difficulty - Easy
This was face to face interview round.
Round duration - 90 minutes
Round difficulty - Easy
This was face to face interview round.
Interview Preparation Tips
Tip 1 : Participate in live contests on websites like Codechef, Codeforces etc as much as possible.
Tip 2 : Practice previous interview questions from LeetCode, GeeksForGeeks.
Tip 3 : Revise Computer Science subjects like DBMS, OOPS thoroughly.
Add projects and Internships if you have done any and add only those things which you really know.
Final outcome of the interviewSelectedSkills evaluated in this interview
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Oracle Associate Software Developer Interview Process
based on 2 interviews
2 Interview rounds
- Aptitude Test Round
- Coding Test Round
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