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Apexon Software Developer Interview Questions and Answers

Updated 6 Oct 2024

Apexon Software Developer Interview Experiences

3 interviews found

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Jul 2024. There were 5 interview rounds.

Round 1 - Coding Test 

Asked some basic level questions

Round 2 - Coding Test 

Asked little bit hard questions

Round 3 - Coding Test 

Asked depth questions and wrote some sample programs

Round 4 - Technical 

(1 Question)

  • Q1. Wrote some sample program
Round 5 - HR 

(1 Question)

  • Q1. Salary discussion
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed before Oct 2023. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Angular questions
  • Q2. Web development related questions

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Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. All logical situation based questions Basic concepts Coding in between interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Confidence is more important

Interview questions from similar companies

I appeared for an interview before Mar 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

21 students were shortlisted from the 1st MCQ round and in this round we were asked to write the codes (function only) of 3 questions in 1 hour time.

  • Q1. 

    Rotting Oranges Problem Statement

    You are given a grid containing oranges where each cell of the grid can contain one of the three integer values:

    • 0 - representing an empty cell
    • 1 - representing a fre...
  • Ans. 

    Find the minimum time required to rot all fresh oranges in a grid.

    • Use Breadth First Search (BFS) to simulate the rotting process

    • Track the time taken to rot all oranges and return -1 if any fresh oranges remain

    • Handle edge cases like no fresh oranges or all oranges already rotten

    • Consider using a queue to efficiently process adjacent oranges

  • Answered by AI
  • Q2. 

    Majority Element Problem Statement

    Given an array/list 'ARR' consisting of 'N' integers, your task is to find the majority element in the array. If there is no majority element present, return -1.

    Exampl...

  • Ans. 

    Find the majority element in an array, return -1 if no majority element exists.

    • Iterate through the array and keep track of the count of each element using a hashmap.

    • Check if any element's count is greater than floor(N/2) to determine the majority element.

    • Return the majority element or -1 if no majority element exists.

  • Answered by AI
  • Q3. 

    Maximum Path Sum Between Two Leaves Problem Description

    You are provided with a non-empty binary tree in which each node contains a non-negative integer value. Your task is to find and return the maximum ...

  • Ans. 

    Find the maximum path sum between two leaf nodes in a binary tree.

    • Traverse the tree to find the maximum path sum between two leaf nodes.

    • Keep track of the maximum sum found so far.

    • Consider all possible paths between leaf nodes.

    • Handle cases where the tree has only a single leaf node.

    • Implement a recursive function to calculate the maximum path sum.

  • Answered by AI
Round 2 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This was a technical round with DSA based questions.

  • Q1. 

    N-th Node From The End Problem Statement

    You are given a Singly Linked List of integers. The task is to find the N-th node from the end of the list.

    Example:

    Input:
    If the given list is (1 -> -2 -&g...
  • Ans. 

    Find the N-th node from the end of a Singly Linked List of integers.

    • Traverse the list to find the length L of the list.

    • Calculate the position of the N-th node from the beginning as L - N + 1.

    • Traverse the list again to reach the calculated position and return the node's value.

  • Answered by AI
  • Q2. 

    LCA of Binary Tree Problem Statement

    You are given a binary tree consisting of distinct integers and two nodes, X and Y. Your task is to find and return the Lowest Common Ancestor (LCA) of these two nodes...

  • Ans. 

    Find the Lowest Common Ancestor (LCA) of two nodes in a binary tree.

    • Traverse the binary tree to find the paths from the root to nodes X and Y.

    • Compare the paths to find the last common node, which is the LCA.

    • Handle cases where one node is an ancestor of the other or when one node is the LCA itself.

  • Answered by AI
  • Q3. 

    Reverse Words in a String: Problem Statement

    You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...

  • Ans. 

    Reverse words in a string while handling leading/trailing spaces and multiple spaces between words.

    • Split the input string by spaces to get individual words

    • Reverse the list of words

    • Join the reversed words with a single space in between

    • Handle leading/trailing spaces by stripping them before and after reversing

  • Answered by AI
Round 3 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with questions based on DSA

  • Q1. 

    Minimum Time To Solve The Problems

    Given 'N' subjects, each containing a certain number of problems, and 'K' friends, assign subjects to friends such that each subject goes to exactly one friend, maintain...

  • Ans. 

    Assign subjects to friends to minimize maximum workload, find minimum time for most loaded friend.

    • Sort subjects in descending order

    • Assign subjects to friends one by one until all subjects are assigned

    • The maximum workload will be the sum of problems assigned to the friend with the most problems

    • Return the maximum workload as the minimum time required

  • Answered by AI
  • Q2. What is grammar in the context of compiler design?
  • Ans. 

    Grammar in compiler design defines the syntax and structure of a programming language.

    • Grammar specifies the rules for forming valid statements in a programming language.

    • It consists of a set of production rules that define how valid programs can be constructed.

    • There are different types of grammars such as context-free grammar, regular grammar, etc.

    • Example: In C programming language, the grammar specifies that a for loop...

  • Answered by AI
  • Q3. What is a token in compiler design?
  • Ans. 

    A token in compiler design is a basic unit of syntax that the compiler can understand and process.

    • Tokens are the smallest units of a program that are meaningful to the compiler.

    • Examples of tokens include keywords, identifiers, operators, and punctuation symbols.

    • Tokens are generated by the lexical analysis phase of the compiler.

    • Tokens are used by the parser to build the abstract syntax tree of the program.

  • Answered by AI
Round 4 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical round with questions on DSA and Compiler Design mainly. He told me that you’ll be having your final HR round in some time. I knew that I was going well because he seemed to be quite satisfied with my answers.

  • Q1. 

    Sum Root to Leaf Numbers

    You are given an arbitrary binary tree consisting of N nodes, each associated with an integer value from 1 to 9. Each root-to-leaf path can be considered a number formed by concat...

  • Ans. 

    Find the total sum of all root to leaf paths in a binary tree formed by concatenating node values.

    • Traverse the binary tree from root to leaf nodes, keeping track of the current path sum

    • Add the current path sum to the total sum when reaching a leaf node

    • Use modulo (10^9 + 7) to handle large outputs

  • Answered by AI
  • Q2. What is a regular language?
  • Ans. 

    A regular language is a language that can be recognized by a finite automaton.

    • Regular languages can be described by regular expressions.

    • Regular languages are closed under union, concatenation, and Kleene star operations.

    • Examples of regular languages include the set of all strings over an alphabet that contain an even number of 'a's.

  • Answered by AI
  • Q3. What are NP and NP-Hard problems?
  • Ans. 

    NP problems are decision problems that can be verified in polynomial time, while NP-Hard problems are at least as hard as the hardest problems in NP.

    • NP problems can be verified in polynomial time but not necessarily solved in polynomial time.

    • NP-Hard problems are at least as hard as the hardest problems in NP, but may not be in NP themselves.

    • Examples of NP problems include the subset sum problem and the traveling salesm...

  • Answered by AI
Round 5 - HR 

Round duration - 30 minutes
Round difficulty - Easy

That was the round for which I’ve been waiting for hours 
She was very friendly and nice to talk to. It didn’t seem that I was talking to the HR. It was more like talking to a friend. Finally we discussed about the pay-scale and work culture in Accolite.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAAccolite Digital Pvt Ltd interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Exam was conducted on programmes. 10 questions were asked

Interview Questionnaire 

1 Question

  • Q1. Interview questions on .net technology

Interview Questionnaire 

1 Question

  • Q1. Focus mainly on Javascript basics and React or Angular.

I applied via Naukri.com and was interviewed in Jun 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. They asked me questions related to my project on which i had work in my last company. And there were questions from core java , database, collections, Spring framework ,

Interview Preparation Tips

Interview preparation tips for other job seekers - Just keep your basic clear , You must have a clear understanding of the topics which you prepare for interview.keep your basic very strong .

I applied via Approached by Company and was interviewed before Mar 2021. There were 4 interview rounds.

Round 1 - Assignment 
Round 2 - Coding Test 

DSA

Round 3 - Group Discussion 

About Social changes

Round 4 - HR 

(2 Questions)

  • Q1. Tell me about yourself.
  • Q2. Very basic questions

Interview Preparation Tips

Topics to prepare for ThoughtWorks Software Developer interview:
  • DSA
Interview preparation tips for other job seekers - Prepare DSA well and be well with Hands-on in coding

I appeared for an interview in Mar 2022.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 minutes
Round difficulty - Medium

Mcq + Data structures questions

  • Q1. 

    Maximum Sum Subarray Problem Statement

    Given an array of integers, find the maximum sum of any contiguous subarray within the array.

    Example:

    Input:
    array = [34, -50, 42, 14, -5, 86]
    Output:
    137
    Exp...
  • Ans. 

    Find the maximum sum of any contiguous subarray within an array in O(N) time complexity.

    • Use Kadane's algorithm to find the maximum sum subarray in O(N) time complexity

    • Initialize two variables: max_sum and current_sum to keep track of the maximum sum subarray

    • Iterate through the array and update current_sum by adding the current element or starting a new subarray

    • Update max_sum if current_sum is greater than max_sum

    • Return...

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 70 minutes
Round difficulty - Medium

Standard System Design round

  • Q1. Design a Doctor Appointment System and provide some test cases.
Round 3 - Video Call 

(4 Questions)

Round duration - 90 minutes
Round difficulty - Medium

Interview of DSA + OOPS + Databse(SQL query) + Operating System

  • Q1. 

    Left View of a Binary Tree

    Given a binary tree, your task is to print the left view of the tree. The left view of a binary tree contains the nodes visible when the tree is viewed from the left side.

    Inpu...

  • Ans. 

    The task is to print the left view of a binary tree, which contains the nodes visible when the tree is viewed from the left side.

    • Traverse the tree in a level order manner and keep track of the leftmost node at each level.

    • Use a queue to perform level order traversal.

    • Print the leftmost node at each level to get the left view of the binary tree.

  • Answered by AI
  • Q2. What is the difference between CHAR and VARCHAR2 data types in SQL?
  • Ans. 

    CHAR is fixed length while VARCHAR2 is variable length in SQL.

    • CHAR stores fixed length strings, padding with spaces if necessary.

    • VARCHAR2 stores variable length strings, not padding with spaces.

    • CHAR is faster for fixed length data, VARCHAR2 is more flexible for varying length data.

  • Answered by AI
  • Q3. What are the various types of constructors in C++?
  • Ans. 

    There are three types of constructors in C++: default constructor, parameterized constructor, and copy constructor.

    • Default constructor: Constructor with no parameters.

    • Parameterized constructor: Constructor with parameters.

    • Copy constructor: Constructor that initializes an object using another object of the same class.

    • Example: // Default constructor ClassName() {} // Parameterized constructor ClassName(int x, int y) :...

  • Answered by AI
  • Q4. What is the difference between overloading and overriding?
  • Ans. 

    Overloading is having multiple methods in the same class with the same name but different parameters, while overriding is implementing a method in a subclass that is already defined in the superclass.

    • Overloading involves multiple methods with the same name but different parameters.

    • Overriding involves implementing a method in a subclass that is already defined in the superclass.

    • Overloading is resolved at compile time ba...

  • Answered by AI
Round 4 - HR 

(1 Question)

Round duration - 60 minutes
Round difficulty - Easy

Hr round - normal hr questions + situational 

Thoughtworks community discussion

  • Q1. Why should we hire you?

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in GurgaonEligibility criteriaAbove 7 CGPAThought Works interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.

Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.

Tip 3 : Do at-least 2 good projects and you must know every bit of them.


 

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.

Tip 2 : Every skill must be mentioned.

Tip 3 : Focus on skills, projects and experiences more.


 

Final outcome of the interviewSelected

Skills evaluated in this interview

Apexon Interview FAQs

How many rounds are there in Apexon Software Developer interview?
Apexon interview process usually has 2-3 rounds. The most common rounds in the Apexon interview process are Technical, Coding Test and HR.
How to prepare for Apexon Software Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Apexon. The most common topics and skills that interviewers at Apexon expect are .Net, Angular, C#, MS SQL Server and Object Oriented Programming.
What are the top questions asked in Apexon Software Developer interview?

Some of the top questions asked at the Apexon Software Developer interview -

  1. All logical situation based questions Basic concepts Coding in between interv...read more
  2. web development related questi...read more
  3. Wrote some sample prog...read more

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Apexon Software Developer Interview Process

based on 3 interviews

Interview experience

4.3
  
Good
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Apexon Software Developer Salary
based on 86 salaries
₹4.2 L/yr - ₹16 L/yr
11% more than the average Software Developer Salary in India
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Apexon Software Developer Reviews and Ratings

based on 11 reviews

4.2/5

Rating in categories

4.3

Skill development

4.5

Work-life balance

4.4

Salary

4.1

Job security

4.3

Company culture

4.3

Promotions

4.3

Work satisfaction

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