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Engaged Employer

6D Technologies

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3.4

based on 243 Reviews

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6D Technologies Software Engineer Interview Questions, Process, and Tips for Experienced

Updated 21 Mar 2025

6D Technologies Software Engineer Interview Experiences for Experienced

2 interviews found

Software Engineer Interview Questions & Answers

Prajwal k

posted on 22 Aug 2024

Interview experience

Excellent

Difficulty level

Moderate

Process Duration

Less than 2 weeks

Result

Selected

I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.

Round 1 - Technical

(3 Questions)

Q1. Difference between hashmap and hashset

Ans.

HashMap is a key-value pair collection while HashSet is a collection of unique elements.

HashMap stores key-value pairs while HashSet stores unique elements
HashMap allows duplicate values but keys must be unique, HashSet does not allow duplicates
HashMap uses keys to retrieve values, HashSet does not have keys

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Q2. Tell me about yourself

Ans.

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

5 years of experience in software development
Proficient in Java, Spring Boot, and Angular
Strong problem-solving skills
Experience working in Agile development environment
Passionate about learning new technologies

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Q3. Write a program to find a duplicate in two list (Take two list and wirte a program to print the same elementsin both list in note pad)

Ans.

Program to find duplicates in two lists and print them in notepad

Iterate through each element in the first list and check if it exists in the second list
If a duplicate is found, print it to a notepad file
Use a hash set to store elements from the first list for efficient lookup

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Round 2 - Technical

(4 Questions)

Q1. What is lookup annotation in springboot

Ans.

Lookup annotation in Spring Boot is used to indicate that a method should be cached for faster retrieval.

Lookup annotation is used in conjunction with @Cacheable annotation to cache the result of a method.
It is commonly used in Spring Boot applications to improve performance by caching frequently accessed data.
Example: @Lookup @Cacheable("books") public List findAllBooks() { return bookRepository.findAll(); }

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Q2. What is memory management in java

Ans.

Memory management in Java refers to the process of allocating and deallocating memory for objects in the Java Virtual Machine (JVM).

Java uses automatic memory management through garbage collection to handle memory allocation and deallocation.
Memory in Java is divided into two main areas: stack memory and heap memory.
Stack memory is used for storing primitive data types and references to objects, while heap memory is us...

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Q3. What is thread pool and what are its functions

Ans.

A thread pool is a collection of worker threads that efficiently execute asynchronous tasks.

Thread pool helps in managing and reusing a pool of threads to execute tasks concurrently.
It improves performance by reducing the overhead of creating new threads for each task.
Thread pool can limit the number of concurrent threads to prevent resource exhaustion.
Examples include Java's Executor framework and .NET's ThreadPool cl

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Q4. Write a program to implement a stack using array

Ans.

Implement a stack using array in a program

Create an array to store the stack elements
Implement push and pop functions to add and remove elements from the stack
Keep track of the top of the stack using a variable

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Round 3 - HR

(2 Questions)

Q1. Tell me about your self

Ans.

I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React
Strong background in computer science with knowledge of algorithms and data structures
Proficient in programming languages such as Java, Python, and C++
Excellent problem-solving skills and abili

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Q2. Some general questions

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Interview Preparation Tips

Interview preparation tips for other job seekers - Be perfect in your work

Skills evaluated in this interview

Software Engineer Interview Questions & Answers

Anonymous

posted on 17 Mar 2025

Interview experience

Bad

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Selected

I appeared for an interview before Mar 2024, where I was asked the following questions.

Q1. What is the method to reverse a string in Java?

Ans.

Reversing a string in Java can be done using various methods, including StringBuilder, recursion, and character arrays.

Using StringBuilder: StringBuilder sb = new StringBuilder("Hello"); sb.reverse(); System.out.println(sb.toString()); // Output: olleH
Using a character array: char[] charArray = "Hello".toCharArray(); for (int i = 0; i < charArray.length / 2; i++) { char temp = charArray[i]; charArray[...

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Q2. What is the method to find the first two maximum numbers in a given set of data?

Ans.

To find the first two maximum numbers, iterate through the data while keeping track of the largest and second largest values.

Initialize two variables, max1 and max2, to hold the maximum and second maximum values.
Iterate through the array of numbers.
For each number, compare it with max1 and max2.
If the current number is greater than max1, update max2 to max1 and then update max1 to the current number.
If the current numb...

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Interview Tips & Stories

mrstorm

works at

Wipro

90 days notice period

"Hi everyone, I have a 90-day notice period and actively seeking new job opportunities. However, I haven't received any interview calls yet due to this notice period. I would appreciate any advice on how to navigate this situation. Additionally, if I update my profile to indicate that I am serving my notice period (even though I’m not), how should I handle questions regarding this during interviews? Any guidance or referrals would be greatly appreciated.I am looking for opportunities in ad tech field now.Thank you!"

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Interview questions from similar companies

Software Engineer Interview Questions & Answers

Ciena

Anonymous

posted on 20 Sep 2022

I applied via Recruitment Consulltant and was interviewed before Sep 2021. There were 3 interview rounds.

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.

View all tips

Round 2 - Coding Test

There is no fix platform for online coding, usually 1-2 Problem solving questions

Round 3 - Technical

(1 Question)

Q1. Purely technical one-one or many-to-one round, asking from basic to advance questions Language Basics Computer Science Fundamentals Data Structures Programming concepts Frameworks Knowledge

Add your answer