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Happiest Minds Technologies SDE Interview Questions and Answers
Happiest Minds Technologies SDE Interview Experiences
1 interview found
nidhi rajput
(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.
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
Anonymous
Selected
I appeared for an interview in Nov 2024, where I was asked the following questions.
- Q1. What are the principles of Object-Oriented Programming (OOP)?
- Ans.
OOP principles include encapsulation, inheritance, polymorphism, and abstraction, promoting modular and reusable code.
Encapsulation: Bundling data and methods that operate on the data within a single unit (class). Example: A 'Car' class with properties like 'speed' and methods like 'accelerate()'.
Inheritance: Mechanism to create a new class from an existing class, inheriting its properties and methods. Example: 'Electr...
- Q2. What are the various sorting algorithms, and how do they work?
- Ans.
Sorting algorithms arrange data in a specific order, commonly ascending or descending, using various methods and efficiencies.
1. Bubble Sort: Repeatedly swaps adjacent elements if they are in the wrong order. Example: [5, 3, 8] becomes [3, 5, 8].
2. Selection Sort: Divides the array into sorted and unsorted parts, repeatedly selecting the smallest element from the unsorted part. Example: [64, 25, 12] becomes [12, 25, 64...
It was 1.30 min online coding test through a portal, which was mostly option type questions and one coding question
(2 Questions)
- Q1. About the current role and the tasks
- Q2. Problem solving on leet code type problem
- Ans.
Solve a LeetCode-style problem by breaking it down into manageable steps and providing clear examples.
Understand the problem statement clearly. For example, if asked to find the longest substring without repeating characters, clarify the input and output.
Identify edge cases. For instance, consider what happens with an empty string or a string with all unique characters.
Choose an appropriate algorithm. For the longest s...
I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. What is HashMap working?
- Ans.
HashMap is a data structure that stores key-value pairs and allows for fast retrieval of values based on keys.
HashMap uses hashing to store and retrieve key-value pairs efficiently.
Keys in a HashMap must be unique, but values can be duplicated.
HashMap allows for null keys and null values.
Example: HashMap<String, Integer> map = new HashMap<>(); map.put("apple", 5); int value = map.get("apple");
Skills evaluated in this interview
I applied via Approached by Company and was interviewed before Apr 2021. There were 2 interview rounds.
(1 Question)
- Q1. Basic front-end questions
Interview Preparation Tips
I applied via Naukri.com and was interviewed before Jun 2020. There were 3 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Different between spring and springboot.
- Q2. What is CORS in microservices
- Ans.
CORS (Cross-Origin Resource Sharing) is a security feature that allows or restricts access to resources from different domains.
CORS is used to prevent unauthorized access to resources from different domains
It is implemented by adding specific headers to HTTP responses
CORS can be configured to allow or restrict access based on the origin domain
Examples of CORS headers include Access-Control-Allow-Origin and Access-Contr...
Interview Preparation Tips
Skills evaluated in this interview
Happiest Minds Technologies HR Interview Questions
I applied via Company Website and was interviewed in Apr 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Are you updating day by day yourself in technology ?
- Ans.
Yes, I actively engage with new technologies daily through various resources and practices to stay updated in the software engineering field.
I read tech blogs and articles daily, such as Medium and Dev.to, to learn about the latest trends.
I follow influential tech leaders on Twitter and LinkedIn to gain insights into emerging technologies.
I participate in online courses on platforms like Coursera and Udemy to enhance m...
- Q2. Yes, means you will definitely placed in technosoft.
Interview Preparation Tips
I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.
Basic aptitude and coding questions
(1 Question)
- Q1. Technical discussion based on resume
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Aug 2019. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Technical questions was all based on skills I added in my resume.
- Q2. Explain the last project, What challenges you faced & how you overcome that & what you learn from it.
- Ans.
Developed a web application for tracking inventory in real-time
Challenges faced included integrating with multiple APIs, handling large data sets, and ensuring data accuracy
Overcame challenges by breaking down tasks into smaller components, conducting thorough testing, and collaborating with team members
Learned the importance of communication, problem-solving, and attention to detail in software development
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed in Apr 2020. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Questions on spring boot
- Q2. Questions on docker
- Q3. Questions on java concepts and collections
Interview Preparation Tips
I really think once a person clears the technical rounds and in last phase of interviews, this should be a little transparent.
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Overall Interview Experience Rating
based on 1 interview experience
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