Deloitte interview experience Real time questions & tips from candidates to crack your interview
Full Stack Engineer
Deloitte
2 rounds | 3 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 1 month
Topics: Spring boot, datastructure, MOngo DB, Splunk, Oops, Mysql
Tip 1 : Be familier with your project on which you are working currently.
Tip 2 : Focus on your basics concept of oops and datastructure.
Tip 3 : try to brush up my sql and OS a well.
Application process
Where: Campus
Eligibility: 2 years of experience
Tip 1 : Your work experience is the heart and soul of your resume. This section needs to be in top shape.
Tip 2 : keep your resume on or two page.
Interview rounds
01
Round
Easy
Online Coding Interview
Duration60 minutes
Interview date2 Feb 2022
Coding problem1
It was an assessment of basics oops and problem solving question.
1. Find Odd Occurrence Element
Easy
10m average time
90% success
0/40
Asked in companies
You are given an array of 'N' elements. In this given array, each element appears an even number of times except one element which appears odd no. of times. Your task is to find the element which occurs an odd number of times.
For example :
Input array [5,5,6,4,6],If we look at the frequency of different elements in this array.We can see,4 appears an odd number of times, so our answer will be 4.
Problem approach
The straightforward solution is to use two loops. The outer loop will pick a number, and the inner loop will count the frequency of the occurrence of that number. If the frequency of the occurrence is even, then we discard that number. If the frequency of the occurrence is odd, then we return that number.
02
Round
Easy
Face to Face
Duration30 minutes
Interview date17 Feb 2022
Coding problem2
More of a managerial round,about current project and tech breath.
1. System Design Question
Create an Api which shows commit message in the url.
Problem approach
Tip 1:I am a spring resource so i added some annotations, like requestparam.
Tip 2: Be aware of your current project architecture.
Tip 3: Try to collect nformation about your current project and brushup the logic which you have used
2. Reverse words in a String
Easy
10m average time
90% success
0/40
Asked in companies
You are given a string 'str' of length 'N'.
Your task is to reverse the original string word by word.
There can be multiple spaces between two words and there can be leading or trailing spaces but in the output reversed string you need to put a single space between two words, and your reversed string should not contain leading or trailing spaces.
Example :
If the given input string is "Welcome to Coding Ninjas", then you should return "Ninjas Coding to Welcome" as the reversed string has only a single space between two words and there is no leading or trailing space.
Problem approach
Tokenize each word using String.split() method.
Loop through string array and use StringBuilder.reverse() method to reverse each word.
Join all revered words to get back string.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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