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Intellect Software Developer Interview Questions and Answers

Updated 27 Aug 2024

6 Interview questions

A Software Developer was asked 9mo ago
Q. What are the OOPS concepts?
Ans. 

OOPS concepts are the four main principles of Object-Oriented Programming: Inheritance, Encapsulation, Abstraction, and Polymorphism.

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

  • Encapsulation: Bundling data and methods that operate on the data into a single unit.

  • Abstraction: Hiding the complex implementation details and showing only the necessary features of an object.

  • Polymorph...

A Software Developer was asked 9mo ago
Q. What are Streams?
Ans. 

Streams are sequences of data that allow for efficient processing of large amounts of data in a continuous manner.

  • Streams are used for processing data in a continuous and efficient manner.

  • They allow for reading and writing data in chunks rather than all at once.

  • Examples include reading a file line by line, processing a live video feed, or receiving real-time data from a network connection.

Software Developer Interview Questions Asked at Other Companies

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Q2. Merge Two Sorted Arrays Problem Statement Given two sorted intege ... read more
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Q3. Minimum Number of Platforms Needed Problem Statement You are give ... read more
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Q4. Nth Fibonacci Number Problem Statement Calculate the Nth term in ... read more
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A Software Developer was asked 9mo ago
Q. What is the collection framework?
Ans. 

Collection framework is a unified architecture for representing and manipulating collections of objects in Java.

  • Provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating groups of objects

  • Includes algorithms for searching, sorting, and manipulating collections

  • Allows for easy iteration over collections using iterators or enhanced for loops

A Software Developer was asked 9mo ago
Q. What is Java?
Ans. 

Java is a high-level programming language known for its portability, security, and object-oriented features.

  • Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

  • It is known for its strong security features, such as automatic memory management and built-in exception handling.

  • Java is an object-oriented language, allowing for modular and reusable code through classes and ob...

A Software Developer was asked 9mo ago
Q. What is a functional interface?
Ans. 

A functional interface is an interface that contains only one abstract method.

  • Functional interfaces can have multiple default or static methods, but only one abstract method.

  • Functional interfaces are used in lambda expressions and method references.

  • Examples of functional interfaces in Java include Runnable, Callable, and Comparator.

A Software Developer was asked 9mo ago
Q. What are the features of Java 8?
Ans. 

Java 8 introduced several new features including lambda expressions, streams, and the new Date and Time API.

  • Lambda expressions allow for more concise code and easier parallel programming.

  • Streams provide a way to process collections of objects in a functional style.

  • The new Date and Time API offers improved date and time handling compared to the old Date and Calendar classes.

Intellect Software Developer Interview Experiences

1 interview found

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Aug 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

30 minutes Aptitude test

Round 2 - Technical 

(6 Questions)

  • Q1. What is java ?
  • Ans. 

    Java is a high-level programming language known for its portability, security, and object-oriented features.

    • Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM).

    • It is known for its strong security features, such as automatic memory management and built-in exception handling.

    • Java is an object-oriented language, allowing for modular and reusable code through classes and objects...

  • Answered by AI
  • Q2. What is collection framework
  • Ans. 

    Collection framework is a unified architecture for representing and manipulating collections of objects in Java.

    • Provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating groups of objects

    • Includes algorithms for searching, sorting, and manipulating collections

    • Allows for easy iteration over collections using iterators or enhanced for loops

  • Answered by AI
  • Q3. What are the OOPS concept
  • Ans. 

    OOPS concepts are the four main principles of Object-Oriented Programming: Inheritance, Encapsulation, Abstraction, and Polymorphism.

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

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Abstraction: Hiding the complex implementation details and showing only the necessary features of an object.

    • Polymorphism: ...

  • Answered by AI
  • Q4. What is Streams
  • Ans. 

    Streams are sequences of data that allow for efficient processing of large amounts of data in a continuous manner.

    • Streams are used for processing data in a continuous and efficient manner.

    • They allow for reading and writing data in chunks rather than all at once.

    • Examples include reading a file line by line, processing a live video feed, or receiving real-time data from a network connection.

  • Answered by AI
  • Q5. What is functional interface
  • Ans. 

    A functional interface is an interface that contains only one abstract method.

    • Functional interfaces can have multiple default or static methods, but only one abstract method.

    • Functional interfaces are used in lambda expressions and method references.

    • Examples of functional interfaces in Java include Runnable, Callable, and Comparator.

  • Answered by AI
  • Q6. Java 8 feature ?
  • Ans. 

    Java 8 introduced several new features including lambda expressions, streams, and the new Date and Time API.

    • Lambda expressions allow for more concise code and easier parallel programming.

    • Streams provide a way to process collections of objects in a functional style.

    • The new Date and Time API offers improved date and time handling compared to the old Date and Calendar classes.

  • Answered by AI

Skills evaluated in this interview

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I appeared for an interview in Nov 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 120 minutes
Round difficulty - Medium

This was an online coding, mcq and debugging round round held on Amcat platform, there were 3 sections in the test.
1)20 MCQ questions {10 involving mathematics and the other 10 on programming fundamentals}; duration:20 mins;
you cannot navigate back to a questions after moving further, so have to answer carefully
2)debugging section- it involved 7 questions which were to be completed within 20 mins, 5 of them were very easy, each question only took almost a minute to figure out the problem with the code, last 2 questions were relatively moderate and there were errors at 3-4 sections of the entire code. I was able to solve all the questions in 15 mins
3)2 Coding questions- duration:80 mins, one was moderate on string while the other one involved dynamic programming, I was able to successfully execute all the available test cases.

  • Q1. 

    Smallest Window Problem Statement

    Given two strings, S and X, your task is to find the smallest substring in S that contains all the characters present in X.

    Example:

    Input:
    S = "abdd", X = "bd"
    Outpu...
  • Ans. 

    Find the smallest substring in S that contains all characters in X.

    • Use a sliding window approach to find the smallest window in S containing all characters of X.

    • Maintain a hashmap to keep track of characters in X and their frequencies.

    • Slide the window by moving the right pointer until all characters in X are found, then move the left pointer to minimize the window size.

    • Return the smallest window found.

    • Example: S = 'abd...

  • Answered by AI
  • Q2. 

    Minimum Sum in Matrix Problem Statement

    You are given a 2D matrix 'ARR' of size 'N x 3' with integers, where 'N' is the number of rows. Your task is to compute the smallest sum achievable by selecting one...

  • Ans. 

    Find the smallest sum achievable by selecting one element from each row of a 2D matrix, following certain constraints.

    • Iterate through each row and find the minimum element that does not violate the constraints.

    • Keep track of the minimum sum achieved by selecting elements from each row.

    • Avoid selecting elements directly beneath previously selected elements.

  • Answered by AI
Round 2 - Video Call 

(1 Question)

Round duration - 45 minutes
Round difficulty - Hard

The interview started with introduction, there were two interviewers, they both introduced themselves and then asked me to introduce myself. Then we had a brief description on my projects, and they really appreciated my projects. Then as they were more concerned with DSA part, so we moved towards solving a coding problem. It was a famous rotten oranges problem with some change in language but as I haven't seen it beforehand, I wasn't able to give them an optimal approach and had to ask for some hints, but with a certain amount of help and hints, I was able to solve the problem and successfully coded it in 5 mins. Then the interviewers went for a dry run of the algorithm and tried to run it on each and every corner case, but as my algorithm was kind of bullet proof, it successfully passed all the corner cases.
Then they went for some questions on OOPS concepts involving inheritance and we had a long discussion on virtual function and runtime polymorphism. Then the interview was ended after a Q/A round that lasted for 3-4 minutes.

  • Q1. 

    Rotten Oranges Problem Statement

    Given a grid containing oranges in three possible states:

    • Value 0 - Empty cell
    • Value 1 - Fresh orange
    • Value 2 - Rotten orange

    Every second, any fresh orange adjac...

  • Ans. 

    Given a grid with fresh and rotten oranges, determine the minimum time for all oranges to become rotten.

    • Create a queue to store the coordinates of rotten oranges and perform BFS to rot adjacent fresh oranges

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

    • Handle edge cases like empty grid or no fresh oranges present

    • Example: For input grid = [[2,1,1],[1,1,0],[0,1,1]], the minimum time to...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteriaabove 6.5 CGPA, eligible branches- computer science, electronics and electricalAmazon interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, Arrays, Graphs and Trees, Pointers, OOPS, System Design, Algorithms, Dynamic Programming, Constructive Algorithms, Competitive ProgrammingTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Try to keep yourself involved in competitive programming on regular basis {ex-Codechef, codeforces etc}
Tip 2 : brush up concepts on DSA and practice at least all questions from interviewbit and around 300 questions from GFG and Leetcode of upto intermediate level, this will help you in building your concepts and you will be quickly able to answer the questions in face to face interviews
Tip 3 : Complete some courses on data structures and algorithms and some programming languages{coding ninjas courses are preferable for valuable content}

Application resume tips for other job seekers

Tip 1 : Try to keep only those things in resume on which you have very good command and you should be able to answer all of the questions(upto moderate level) related to your technical skills
Tip 2 : Mention your projects with brief description, try avoiding very high level description because some times reader might not be able to understand your work, keep it descriptive and understandable

Final outcome of the interviewRejected

Skills evaluated in this interview

Software Developer Interview Questions Asked at Other Companies

asked in Amazon
Q1. Maximum Subarray Sum Problem Statement Given an array of integers ... read more
asked in Rakuten
Q2. Merge Two Sorted Arrays Problem Statement Given two sorted intege ... read more
asked in Amazon
Q3. Minimum Number of Platforms Needed Problem Statement You are give ... read more
asked in Cognizant
Q4. Nth Fibonacci Number Problem Statement Calculate the Nth term in ... read more
asked in PhonePe
Q5. Form a Triangle Problem Statement You are given an array of integ ... read more

I appeared for an interview in Oct 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 120 minutes
Round difficulty - Medium

Evening test around 5
Platform :- SHL
Environment was amazing

  • Q1. 

    Subtree of Another Tree Problem Statement

    Given two binary trees, T and S, determine whether S is a subtree of T. The tree S should have the same structure and node values as a subtree of T.

    Explanation:

    ...
  • Ans. 

    Given two binary trees T and S, determine if S is a subtree of T with the same structure and node values.

    • Check if the second tree is a subtree of the first tree by comparing their structures and node values.

    • Use a recursive approach to traverse both trees and check for equality.

    • Handle cases where one tree is null or the values do not match.

    • Return true if S is a subtree of T, false otherwise.

  • Answered by AI
  • Q2. 

    Search in a Row-wise and Column-wise Sorted Matrix Problem Statement

    You are given an N * N matrix of integers where each row and each column is sorted in increasing order. Your task is to find the positi...

  • Ans. 

    Given a sorted N*N matrix, find the position of a target integer X.

    • Iterate over each row and column to find the target integer X

    • Utilize the sorted nature of the matrix to optimize the search process

    • Return the position of X if found, else return -1 -1

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

1 Hour 
Afternoon

  • 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...

  • Ans. 

    Find the node where two linked lists merge, return -1 if no merging occurs.

    • Traverse both lists to find their lengths and the difference in lengths

    • Move the pointer of the longer list by the difference in lengths

    • Traverse both lists simultaneously until they meet at the merging point

  • Answered by AI
  • Q2. 

    Problem: Pair Sum in a Binary Search Tree

    Given a Binary Search Tree (BST) and an integer 'S', your task is to find all pairs of nodes within the BST that total to 'S' and return these pairs. If no such p...

  • Ans. 

    Find pairs of nodes in a BST that sum up to a given value 'S'.

    • Traverse the BST in-order to get a sorted list of nodes.

    • Use two pointers approach to find pairs with sum 'S'.

    • Keep track of visited nodes to avoid using the same node twice in a pair.

  • Answered by AI
Round 3 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Online Round held on Chime

  • Q1. 

    Is Binary Heap Tree Problem Statement

    You are given a binary tree of integers. Your task is to determine if it is a binary heap tree or not.

    Input:

    The first line of input contains an integer ‘T’ denoti...
  • Ans. 

    Determine if a given binary tree is a binary heap tree or not based on certain properties.

    • Check if the binary tree is a complete binary tree where every level, except the last level, is completely filled and the last level is as far left as possible.

    • Ensure that every parent node is greater than all its children nodes, forming a max-heap.

    • If any node does not have a left or right child, it should be represented as -1 in ...

  • Answered by AI
  • Q2. 

    Edit Distance Problem Statement

    Given two strings S and T with lengths N and M respectively, your task is to find the "Edit Distance" between these strings.

    The Edit Distance is defined as the minimum nu...

  • Ans. 

    The task is to find the minimum number of operations required to convert one string into another using delete, replace, and insert operations.

    • Use dynamic programming to solve the problem efficiently.

    • Create a 2D array to store the edit distances between substrings of the two input strings.

    • Fill up the array based on the minimum of three possible operations: insert, delete, or replace.

    • The final answer will be the value at...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNo backlogsAmazon interview preparation:Topics to prepare for the interview - Data Structures, OOPS, OS, DBMS, Dynamic Programming, Trees/Graph, Tries, Hashing, Algorithms, HadoopTime required to prepare for the interview - 4.5 monthsInterview preparation tips for other job seekers

Tip 1 : 1 Programming Language
Tip 2 : Practice Data Structures with atleast 300 ques.
Tip 3 : CS Fundamental

Application resume tips for other job seekers

Tip 1 : 1 Pager
Tip 2 : Add top 3 projects in Resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 90 Miinutes
Round difficulty - Medium

First round had MCQ + 2 coding questions. It was held in morning around 11 am. It was held on campus.

  • Q1. 

    Robot Delivery Path Problem

    You are tasked with directing a robot from the top-left corner of an N*N matrix to a specified point (x, y), delivering a parcel. The robot is restricted to move only on flat a...

  • Ans. 

    Determine if a robot can reach a specified destination in a matrix by moving only downwards or rightwards.

    • Start at (0,0) and move towards the destination (x, y) only downwards or rightwards.

    • Check if the path is clear (1) and avoid obstacles (0) while staying within matrix boundaries.

    • Return true if the robot can reach the destination, false otherwise.

    • Example: For input matrix [[1, 0, 1], [1, 1, 1], [1, 1, 5]] with desti...

  • Answered by AI
  • Q2. 

    Unique Element in Array

    Given an arbitrary array arr consisting of N non-negative integers where every element appears thrice except for one. Your task is to find the element in the array that appears onl...

  • Ans. 

    Find the unique element in an array where every element appears thrice except for one.

    • Use XOR operation to find the unique element.

    • Iterate through the array and XOR each element to find the unique element.

    • The XOR operation cancels out elements that appear thrice, leaving only the unique element.

    • Example: arr = [2, 2, 3, 2], XOR of all elements = 3.

    • Example: arr = [0, 1, 0, 1, 0, 1, 99], XOR of all elements = 99.

  • Answered by AI
Round 2 - Face to Face 

(2 Questions)

Round duration - 90 Minutes
Round difficulty - Medium

Second Round was held in morning around 10-11 am. There was one interviewer working on his laptop. Interviewer was really helpful and first offered me water and then for a bit talked about himself.

  • Q1. 

    BST Iterator Problem Statement

    You are tasked with implementing a class BSTIterator, which is designed to traverse a Binary Search Tree (BST) in the inorder manner. The class must support the following op...

  • Ans. 

    Implement a BSTIterator class to traverse a Binary Search Tree in inorder manner.

    • Implement a constructor to initialize the iterator with the root of the BST.

    • Implement next() and hasNext() methods to traverse the BST in inorder.

    • Implement prev() and hasPrev() methods to access the previous element in the inorder traversal.

    • Use level-order traversal format to represent the tree input.

    • Output the inorder traversal of the bin...

  • Answered by AI
  • Q2. 

    Distance Between Two Nodes in a Binary Tree

    Given a binary tree and the values of two distinct nodes, determine the distance between these two nodes in the tree. The distance is defined as the minimum num...

  • Ans. 

    Calculate the distance between two nodes in a binary tree.

    • Traverse the tree to find the paths from the root to each node

    • Find the lowest common ancestor of the two nodes

    • Calculate the distance by adding the distances from the LCA to each node

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dr. B.R. Ambedkar National Institute of Technology. I applied for the job as SDE - 1 in HyderabadEligibility criteriaNo criteriaAmazon interview preparation:Topics to prepare for the interview - Array,Linked List, Trees, Dynamic Programming, Graphs, Math, OOPSTime required to prepare for the interview - 4 MonthsInterview preparation tips for other job seekers

Tip 1 : Keep talking about what are you thinking
Tip 2 : Don't beat about the bush if don't know the answer just say so
 

Application resume tips for other job seekers

Tip 1 : Only show projects you are confident about
Tip 2 : Basic Web and android projects are also fine

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Monster and was interviewed in Sep 2021. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Tell me a little bit about yourself
  • Q2. Which knowledge are you gain your career

Interview Preparation Tips

Interview preparation tips for other job seekers - Speaker clarity an impartial, one-to-one meeting between yourself and a professionally qualified careers adviser.

I applied via Recruitment Consultant and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Sql,Plsql
  • Q2. Questions related to database ,sql and plsql

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Yourself and answer what you learnt, Interviewer ask what you have mentioned in resume related to that.

I appeared for an interview in Oct 2020.

Round 1 - Coding Test 

(2 Questions)

Round duration - 180 Minutes
Round difficulty - Medium

1 CODING ROUND CONSISTING OF 2 CODING QUESTIONS.
1 MCQ ROUND CONTAINING TECHNICAL AND APTITUDE QUESTIONS.

  • Q1. 

    Ninja and Candies Problem

    Ninja, a boy from Ninjaland, receives 1 coin every morning from his mother. He wants to purchase exactly 'N' candies. Each candy usually costs 2 coins, but it is available for 1 ...

  • Ans. 

    Calculate the earliest day on which Ninja can buy all candies with special offers.

    • Iterate through each day and check if any special offer is available for candies Ninja wants to buy

    • Keep track of the minimum day on which Ninja can buy all candies

    • Consider both regular price and sale price of candies

  • Answered by AI
  • Q2. 

    Replace Character Problem Statement

    Given an input string S and two characters 'c1' and 'c2', your task is to replace every occurrence of the character 'c1' with the character 'c2' in the given string.

    I...

  • Ans. 

    Replace every occurrence of a character in a string with another character.

    • Iterate through the input string and replace 'c1' with 'c2' using string manipulation functions.

    • Return the updated string as the output.

  • Answered by AI
Round 2 - HR 

Round duration - 15 Minutes
Round difficulty - Easy

HR round

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in BengaluruEligibility criteriaABOVE 6.5 CGPAAccenture interview preparation:Topics to prepare for the interview - DBMS, ALGORITHM, DATA SCIENCE, C++, JAVA, PYTHONTime required to prepare for the interview - 5 MonthsInterview preparation tips for other job seekers

Tip 1 : CLEAR YOUR BASICS.
Tip 2 : PRACTICE BASIC CODING QUESTIONS
Tip 3 : BE CLEAR ON YOUR PROJECTS

Application resume tips for other job seekers

Tip 1 : HAVE INTERNSHIPS
Tip 2 : HAVE PROJECTS(ATLEAST 1)

Final outcome of the interviewSelected
Are these interview questions helpful?

I applied via Recruitment Consultant and was interviewed in Aug 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. I had job Complete graduated with 80 per

Interview Preparation Tips

Interview preparation tips for other job seekers - I'm a fresher present I'm training for the java developer...

I applied via Campus Placement and was interviewed in Aug 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Introduce yourself, on java,sql,oops concepts

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't talk very fast. Speak with confidence

Interview Questionnaire 

5 Questions

  • Q1. How to give interview
  • Q2. Java
  • Q3. Database
  • Q4. HTML
  • Q5. C language

Intellect Interview FAQs

How many rounds are there in Intellect Software Developer interview?
Intellect interview process usually has 2 rounds. The most common rounds in the Intellect interview process are Aptitude Test and Technical.
How to prepare for Intellect 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 Intellect. The most common topics and skills that interviewers at Intellect expect are Algorithms, Data Structures, Distribution System, Internship and MySQL.
What are the top questions asked in Intellect Software Developer interview?

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

  1. what is functional interf...read more
  2. what are the OOPS conc...read more
  3. what is collection framew...read more

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Overall Interview Experience Rating

5/5

based on 1 interview experience

Difficulty level

Easy 100%

Duration

Less than 2 weeks 100%
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