Josh Technology Group Software Engineer Interview Questions, Process, and Tips

Q1. Oops related questions
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Q2. C language quizzes
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Question on various topics

More questions on oops, coding

Not selected but the questions were mostly based on DSA time complexity and pseudo code

Basic aptitude questions. Just keep a track of time

2nd round is coding round. You can expect Leetcode medium questions. The topics asked are Linked list, Trees and arrays.

3rd round is again the Coding Test. Level of questions is Leetcode Medium to Leetcode Hard. Topics covered are Trees, Doubly Linked List, Dp etc.

Q1. 4th round is an hour-long technical interview. The interviewer will start by asking about your introduction and you can expect some questions about your introduction or projects. The rest of the time is gi...read more
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Q2. The questions were House Robber 3 from leetcode and some questions based on the binary array.
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Round duration - 60 mins
Round difficulty - Medium

Q1. 
Railway Seat Berth Determination
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...read more
Ans. 
Check if seat number is valid seat number or not(i.e in range of 1 to 72).
if (seat_number % 8) equals 1 or 4, then berth is a lower berth
if (seat_number % 8) equals 2 or 5, then berth is a middle berth
if (seat_number % 8) equals 3 or 6, then berth is an upper berth
if (seat_number % 8) equals 7, then berth is a side lower berth
if (seat_number % 8) equals 0 then berth is a side upper berth
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Round duration - 90 mins
Round difficulty - Hard

First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.

Q1. 
Matrix Symmetry Check
You are provided with a square matrix. Your task is to return true if the matrix is symmetric; otherwise, return false.
A symmetric matrix is characterized by its transpose being eq...read more
Ans. 
A Simple solution is to do the following.
1) Create transpose of given matrix.
2) Check if transpose and given matrices are same or not.
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