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Happiest Minds Technologies SDE Interview Questions and Answers

Updated 18 Jan 2025

Happiest Minds Technologies SDE Interview Experiences

1 interview found

SDE Interview Questions & Answers

user image nidhi rajput

posted on 18 Jan 2025

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Reverse a string
  • Ans. 

    Function to reverse a given string.

    • Create an empty string to store the reversed string.

    • Iterate through the input string in reverse order and append each character to the new string.

    • Return the reversed string.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

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

I applied via Campus Placement and was interviewed before Jun 2023. There were 3 interview rounds.

Round 1 - Coding Test 

60 minutes of coding round with medium level of question asked

Round 2 - Aptitude Test 

Coding and Aptitude MCQ questions

Round 3 - HR 

(2 Questions)

  • Q1. How i can design a login system for client?
  • Ans. 

    Designing a login system for clients involves creating secure authentication methods and user management.

    • Implement secure password hashing algorithms like bcrypt to store passwords securely.

    • Use HTTPS to encrypt data transmission between client and server.

    • Implement multi-factor authentication for added security.

    • Utilize session management to keep track of user login status.

    • Consider implementing account lockout mechanisms

  • Answered by AI
  • Q2. What is foreign key and how you can you can use foreign key in your DBMS system?
  • Ans. 

    Foreign key is a key used to link two tables in a database, enforcing referential integrity.

    • Foreign key is a column or a set of columns in one table that references the primary key in another table.

    • It ensures that the values in the foreign key column(s) match the values in the primary key column of the referenced table.

    • Foreign key constraints help maintain data integrity by preventing actions that would destroy links b...

  • Answered by AI

Skills evaluated in this interview

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

I applied via Campus Placement and was interviewed before Aug 2023. There were 4 interview rounds.

Round 1 - Aptitude Test 

Basic Aptitude test, it was easy

Round 2 - Coding Test 

Questions on array medium level

Round 3 - Technical 

(1 Question)

  • Q1. Array questions
Round 4 - HR 

(2 Questions)

  • Q1. Tell me about yourself
  • Ans. 

    I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.

    • 5 years of experience in software development

    • Proficient in Java, Spring, and Angular

    • Strong problem-solving skills

    • Team player with excellent communication skills

  • Answered by AI
  • Q2. Where do you see yourself
  • Ans. 

    I see myself continuing to grow and develop my skills in a challenging and rewarding role.

    • Continuing to learn new technologies and stay updated with industry trends

    • Taking on more responsibilities and leadership roles

    • Contributing to the success and growth of the company

    • Striving for personal and professional growth

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Easy to crack just do basics

SDE Interview Questions & Answers

TCS user image Viren Punjabi

posted on 15 Sep 2024

Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
-
Result
-

I applied via Campus Placement and was interviewed in Mar 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Linked list and trees

Round 2 - Technical 

(2 Questions)

  • Q1. What is arraylist
  • Ans. 

    ArrayList is a dynamic array in Java that can grow or shrink in size as needed.

    • ArrayList is a class in Java that implements the List interface.

    • It allows for dynamic resizing of the array, unlike regular arrays.

    • Elements can be added, removed, or accessed by index.

    • Example: ArrayList names = new ArrayList();

Answered by AI
  • Q2. What is oops conecepts
  • Ans. 

    Object-oriented programming concepts focus on creating objects that interact with each other to accomplish tasks.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit (object)

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

    • Polymorphism: Objects of different classes can be treated as objects of a common superclass

    • Abstraction: Hiding complex implementation

  • Answered by AI

    Skills evaluated in this interview

    SDE Interview Questions & Answers

    TCS user image Anonymous

    posted on 10 Dec 2024

    Interview experience
    4
    Good
    Difficulty level
    -
    Process Duration
    -
    Result
    -
    Round 1 - Technical 

    (3 Questions)

    • Q1. Project code which u have written in your resume
    • Ans. 

      I have written a project code for a web application that tracks user activity and generates reports.

      • Used HTML, CSS, and JavaScript for front-end development

      • Utilized PHP and MySQL for back-end development

      • Implemented user authentication and data visualization features

    • Answered by AI
    • Q2. Factorial code
    • Q3. SQL query

    SDE Interview Questions & Answers

    TCS user image Anonymous

    posted on 22 Aug 2024

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

    I applied via LinkedIn and was interviewed in Jul 2024. There were 4 interview rounds.

    Round 1 - Aptitude Test 

    Aptitude test is to easy

    Round 2 - Coding Test 

    Coding test easy too good

    Round 3 - One-on-one 

    (4 Questions)

    • Q1. Nice aske for loop
    • Q2. Array question nice
    • Q3. Asked about hobbies
    • Q4. Asked about where you see yourself in 5 years
    Round 4 - HR 

    (1 Question)

    • Q1. Asked about background

    SDE Interview Questions & Answers

    Infosys user image Anonymous

    posted on 17 May 2022

    I was interviewed in Apr 2022.

    Round 1 - Coding Test 

    (3 Questions)

    Round duration - 180 minutes
    Round difficulty - Hard

    There was 1 round of 180 minutes which contains of 3 questions from DSA. the two question was of medium level but one question is of neither difficult nor medium level question based on tree

    • Q1. 

      Longest Increasing Subsequence Problem Statement

      Given an array of integers with 'N' elements, determine the length of the longest subsequence where each element is greater than the previous element. This...

    • Ans. 

      Find the length of the longest strictly increasing subsequence in an array of integers.

      • Use dynamic programming to keep track of the longest increasing subsequence ending at each element.

      • Initialize an array to store the length of the longest increasing subsequence ending at each index.

      • Iterate through the array and update the length of the longest increasing subsequence for each element.

      • Return the maximum value in the ar...

    • Answered by AI
    • Q2. 

      Bipartite Graph Problem

      Check whether a given graph is bipartite or not. Return true if the graph's vertices can be divided into two independent sets, ‘U’ and ‘V’, such that every edge (‘u’, ‘v’) either c...

    • Ans. 

      Check if a given graph is bipartite by dividing vertices into two independent sets.

      • Use BFS or DFS to traverse the graph and assign colors to vertices to check for bipartiteness.

      • If an edge connects vertices of the same color, the graph is not bipartite.

      • Return true if all edges connect vertices of different colors, else return false.

    • Answered by AI
    • Q3. 

      Count Inversions Problem Statement

      Given an integer array ARR of size N containing all distinct values, determine the total number of inversions present in the array.

      An inversion is defined for a pair o...

    • Ans. 

      Count the total number of inversions in an integer array.

      • Iterate through the array and for each pair of elements, check if the conditions for inversion are met.

      • Use a nested loop to compare each element with all elements to its right.

      • Keep a count of the inversions found and return the total count at the end.

    • Answered by AI
    Round 2 - Face to Face 

    (2 Questions)

    Round duration - 50 minutes
    Round difficulty - Medium

    In interview I was asked about some question related to Data structures , DBMS . Some output based question was asked and 2 coding problems was given to solve.

    • Q1. 

      Return Subsets Sum to K Problem Statement

      Given an integer array 'ARR' of size 'N' and an integer 'K', return all the subsets of 'ARR' which sum to 'K'.

      Explanation:

      A subset of an array 'ARR' is a tupl...

    • Ans. 

      Given an array and an integer, return all subsets that sum to the given integer.

      • Use backtracking to generate all possible subsets of the array.

      • For each subset, check if the sum equals the given integer 'K'.

      • Print the subsets that satisfy the condition.

      • Example: For input [1, 2, 3] and K=3, subsets [1, 2] and [3] have sum 3.

    • Answered by AI
    • Q2. 

      Boundary Traversal of Binary Tree

      Given a binary tree of integers, your task is to print the boundary nodes of the binary tree in an anti-clockwise direction starting from the root node.

      Note:
      The boundary...
    • Ans. 

      Boundary traversal of a binary tree in anti-clockwise direction starting from the root node.

      • Implement a function to calculate the boundary traversal of a binary tree

      • Include nodes from left boundary, leaf nodes, and right boundary in sequence

      • Ensure only unique nodes are included in the output

      • Print the boundary nodes separated by single spaces for each test case

    • Answered by AI

    Interview Preparation Tips

    Professional and academic backgroundI applied for the job as SDE in PuneEligibility criteria60% in 12th & above 65% in B.techInfosys interview preparation:Topics to prepare for the interview - Data Structures, DBMS ,OOPS ,System Design, Algorithms, Dynamic Programming.Time required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

    Tip 1 - Practice At least 250 Questions of DS algo
    Tip 2 - Do at least 2 application based projects
    Tip 3 - Practice questions with optimized approaches

    Application resume tips for other job seekers

    Tip 1 : Have some application based projects on resume.
    Tip 2 : Do not put false things on resume.
    Tip 3 : Project should clear and crisp

    Final outcome of the interviewRejected

    Skills evaluated in this interview

    SDE Interview Questions & Answers

    Wipro user image Anonymous

    posted on 28 May 2024

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

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

    Round 1 - Coding Test 

    Learn about techstack

    SDE Interview Questions & Answers

    HCLTech user image Anonymous

    posted on 16 Aug 2021

    Interview Questionnaire 

    1 Question

    • Q1. Introduction And Overview of Company
    • Ans. First introduced yourself with a little smile and before any interview go through the JD of the company, this will help you more. And one more thing that search about the interviewers who is going to take your interview.
    • Answered Anonymously

    SDE Interview Questions & Answers

    TCS user image Anonymous

    posted on 20 Feb 2024

    Interview experience
    5
    Excellent
    Difficulty level
    -
    Process Duration
    -
    Result
    -
    Round 1 - Aptitude Test 

    Easy interview which mainly focus on concepts

    Round 2 - Technical 

    (1 Question)

    • Q1. Interview went fine and difficulty is medium

    Happiest Minds Technologies Interview FAQs

    How many rounds are there in Happiest Minds Technologies SDE interview?
    Happiest Minds Technologies interview process usually has 1 rounds. The most common rounds in the Happiest Minds Technologies interview process are Technical.

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    Happiest Minds Technologies SDE Interview Process

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    Interview experience

    3
      
    Average
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