'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Oracle interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Oracle
upvote
share-icon
3 rounds | 6 Coding problems
Interview preparation journey
expand-icon
Preparation
Duration: 4 months
Topics: Data Structures - Arrays, Strings, Linked List, Trees, Binary Search Tree, Graph, Tries, Fenwick Trees, Segment Trees, Hashmap, Algorithms - Recursion, Ad Hoc, Dynamic Programming, Greedy, Binary Search, Breadth-first search, Depth-first search, Sorting
Tip
Tip

Tip 1 : Just be confident during interview and if you are stuck in between any question, then ask for a hint from the interviewer.

Tip 2 : The practice is key for success, so practice hard for Data Structures and Algorithms coding problems on Coding ninjas as it is the best platform for coding.

Tip 3 : Also you may practice on Geeks For Geeks or any other interview portal.

Application process
Where: Campus
Eligibility: Above 7 CGPA
Resume Tip
Resume tip

Tip 1 : Mention all internships which you have done, as it increases your chances of shortlisting your resume. 
Tip 2 : Also just write that skills which you are pretty confident about.

Interview rounds
01
Round
Medium
Online Coding Test
Duration60 minutes
Interview date26 Oct 2020
Coding problem2

The coding test was conducted on Hackerrank platform. The test was in the evening. There were two coding questions of medium difficulty. The test was proctored, our webcam was on but not the mic. Also we were not allowed to switch tabs.
500+ students sat in this round out which 20 were shortlisted for the next interview round.

1. Colour the Graph
Moderate
20m average time
80% success
0/80
Asked in companies
Samsung R&D InstituteHCL TechnologiesMakeMyTrip

You are given a graph with 'N' vertices numbered from '1' to 'N' and 'M' edges. You have to colour this graph in two different colours, say blue a...

View more
Try solving now
2. Count Inversions
Moderate
40m average time
55% success
0/80
Asked in companies
ArcesiumSamsung R&D InstituteOracle

For a given integer array/list 'ARR' of size 'N' containing all distinct values, find the total number of 'Inversions' that may exist.

View more
Try solving now
02
Round
Medium
Face to Face
Duration60 minutes
Interview date28 Oct 2020
Coding problem2

In this round, 2 interviewers were present. They shared Docs in which we had to write code. Our camera was on.

1. Sum Tree
Moderate
29m average time
0/80
Asked in companies
InfosysOracleAmazon

For a given binary tree, convert it to its sum tree. That is, replace every node data with sum of its immediate children, keeping leaf nodes 0. Finally, return its preorder.

For example:
View more
Try solving now
2. Convert a given number to words
Easy
15m average time
80% success
0/40
Asked in companies
OracleHSBCGoldman Sachs

Given an integer number ‘num’. Your task is to convert ‘num’ into a word.

Suppose the given number ‘num’ is ‘9823’ then you have to return a string “ni...

View more
Try solving now
03
Round
Easy
Face to Face
Duration30 minutes
Interview date30 Oct 2020
Coding problem2

This was HR round but consisted problems related to core subjects too.

1. OOPS Questions

What is a virtual function? Give an example.

What is encapsulation? What is polymorphism?

2. Basic HR Questions

Introduce yourself and why are you intrested in Computer science?
Why Oracle.

Start a Discussion
Similar interview experiences
company logo
SDE - 1
3 rounds | 4 problems
Interviewed by Oracle
1005 views
0 comments
0 upvotes
company logo
SDE - 1
2 rounds | 4 problems
Interviewed by Oracle
1236 views
0 comments
0 upvotes
company logo
SDE - 1
4 rounds | 10 problems
Interviewed by Oracle
2931 views
0 comments
0 upvotes
company logo
SDE - 1
3 rounds | 6 problems
Interviewed by Oracle
544 views
0 comments
0 upvotes
Companies with similar interview experiences
company logo
SDE - 1
5 rounds | 12 problems
Interviewed by Amazon
93169 views
24 comments
0 upvotes
company logo
SDE - 1
4 rounds | 5 problems
Interviewed by Microsoft
43270 views
5 comments
0 upvotes
company logo
SDE - 1
3 rounds | 7 problems
Interviewed by Amazon
27174 views
6 comments
0 upvotes