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Calsoft Software Developer Interview Questions and Answers

Updated 1 Aug 2024

Calsoft Software Developer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected
Round 1 - Technical 

(1 Question)

  • Q1. Oops concepts in detail
  • Ans. 

    Oops concepts refer to Object-Oriented Programming principles like Inheritance, Polymorphism, Encapsulation, and Abstraction.

    • Inheritance: Allows a class to inherit properties and behavior from another class.

    • Polymorphism: Ability of objects to take on multiple forms.

    • Encapsulation: Bundling of data with the methods that operate on that data.

    • Abstraction: Hiding the complex implementation details and showing only the neces...

  • Answered by AI

Skills evaluated in this interview

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

I applied via Naukri.com and was interviewed in Apr 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Java 8 Question and OOPS

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Interview Tips & Stories
1w (edited)
a team lead
Why are women still asked such personal questions in interview?
I recently went for an interview… and honestly, m still trying to process what just happened. Instead of being asked about my skills, experience, or how I could add value to the company… the questions took a totally unexpected turn. The interviewer started asking things like When are you getting married? Are you engaged? And m sure, if I had said I was married, the next question would’ve been How long have you been married? What does my personal life have to do with the job m applying for? This is where I felt the gender discrimination hit hard. These types of questions are so casually thrown at women during interviews but are they ever asked to men? No one asks male candidates if they’re planning a wedding or how old their kids are. So why is it okay to ask women? Can we please stop normalising this kind of behaviour in interviews? Our careers shouldn’t be judged by our relationship status. Period.
Got a question about Calsoft?
Ask anonymously on communities.

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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...
  • 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...

  • 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...

  • 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...

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...

  • 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...

  • 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

I appeared for an interview in Dec 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 20 Minutes
Round difficulty - Easy

  • Q1. 

    Left View of a Binary Tree Problem Statement

    Given a binary tree, your task is to print the left view of the tree.

    Example:

    Input:
    The input will be in level order form, with node values separated by a...
Round 2 - Video Call 

(3 Questions)

Round duration - 45 Minutes
Round difficulty - Easy

It was a technical round held on skype.

  • Q1. 

    Intersection of Linked List Problem

    You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.

    Your task is to determine t...

  • Q2. 

    Reverse Linked List Problem Statement

    Given a Singly Linked List of integers, your task is to reverse the Linked List by altering the links between the nodes.

    Input:

    The first line of input is an intege...
  • Q3. 

    Merge K Sorted Arrays Problem Statement

    You are provided with 'K' different arrays/lists, each sorted in ascending order. Your task is to merge all these arrays/lists into one sorted array/list in ascendi...

  • Ans. 

    Merge K sorted arrays into one sorted array in ascending order.

    • Iterate through all arrays/lists and merge them into one sorted array using a priority queue or merge sort algorithm.

    • Ensure to handle edge cases like empty arrays/lists or arrays/lists with different sizes.

    • Time complexity can be optimized by using a min-heap or priority queue to efficiently merge the arrays/lists.

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

It was also a technical round held on Google meet.
 

  • Q1. 

    Maximum Subarray Problem Statement

    Ninja has been given an array, and he wants to find a subarray such that the sum of all elements in the subarray is maximum.

    A subarray 'A' is considered greater than a...

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from B V Raju Institute of Technology. I applied for the job as SDE - 1 in HyderabadEligibility criteria7 CGPAAccolite interview preparation:Topics to prepare for the interview - DS, Algo, DBMS, HTML, CSS, Machine Learning, SQL, Java, OOPs, PythonTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Maintain detail notes
Tip 2 : Revise the notes 
 

Application resume tips for other job seekers

Tip 1 : Mention the skills only which you are aware of
Tip 2 : Improve your resume

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Campus Placement and was interviewed before Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

3 Questions

  • Q1. 1. Write a code to split an array of integers into two subarray where both the array has equal sum.
  • Ans. 

    Code to split an array of integers into two subarrays with equal sum.

    • Iterate through the array and calculate the total sum.

    • Divide the sum by 2 to get the target sum for each subarray.

    • Use dynamic programming to find a subset of the array that adds up to the target sum.

    • Return the two subarrays.

    • Example: [1, 2, 3, 4, 5, 6] -> [1, 2, 3, 6], [4, 5]

    • Example: [1, 2, 3, 4, 5] -> [1, 4, 5], [2, 3]

  • Answered by AI
  • Q2. To write code to build up a binary tree from scratch (implement a BST) and then to write all the methods like all the tree traversal algo, and all other stuffs.
  • Q3. Other OOPs concept and questions related to DSA and OS.

Interview Preparation Tips

Interview preparation tips for other job seekers - Accolite has a difficult hiring bar and hires only the good ones. Focus on DSA concepts and practice as many questions from Leetcode, Interviewbits, GFG. Focus on all the OOPs concept and subject like OS.

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Java multithreading, oops

I applied via Company Website and was interviewed in Jun 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Related to react js amd js

Interview Preparation Tips

Interview preparation tips for other job seekers - Average interview. There will he two rounds technical. One will be telephonic and second will be skyp video.
Are these interview questions helpful?
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Oct 2023. There were 2 interview rounds.

Round 1 - Coding Test 

How to remove duplicate words from string and print the occurrence of words

Round 2 - Technical 

(3 Questions)

  • Q1. Collection frameworks, streams , interfaces why interface why not abstract classes
  • Q2. Springbooot annotations, scenarios about profile, repository dtos pojos
  • Q3. React basic questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Easy interview, I was confident of selecting but my application was on hold
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

(1 Question)

  • Q1. Climbing ladders, either 1 step or 2 step at a time
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. How to find the Second highest salary from employees table. Write the logic for pre-order, inorder and post-order traversal of a binary tree
  • Ans. 

    To find the second highest salary from employees table and traverse a binary tree in pre-order, in-order, and post-order.

    • To find the second highest salary, you can use a subquery or window function like ROW_NUMBER() or DENSE_RANK().

    • For pre-order traversal, visit the root node first, then recursively do a pre-order traversal of the left subtree, followed by the right subtree.

    • For in-order traversal, recursively do an in-...

  • Answered by AI

Skills evaluated in this interview

Calsoft Interview FAQs

How many rounds are there in Calsoft Software Developer interview?
Calsoft interview process usually has 1 rounds. The most common rounds in the Calsoft interview process are Technical.
How to prepare for Calsoft 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 Calsoft. The most common topics and skills that interviewers at Calsoft expect are Python, C++, Devops, Java and Linux.
What are the top questions asked in Calsoft Software Developer interview?

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

  1. Oops concepts in det...read more
  2. Java 8 Question and O...read more

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