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I applied via Naukri.com and was interviewed in Jul 2024. There were 3 interview rounds.
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
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
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
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
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...
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
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
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
Mostsly asked questions related to linux, os and mysql
You need to keep on talking, thats all you need to do.
DBMS,SQL,verbal,logical reasoning
6D Technologies interview questions for popular designations
I applied via Referral and was interviewed in May 2024. There was 1 interview round.
Creating a form in React without any libraries
Use state to manage form data
Use onChange event to update state as user types
Use onSubmit event to handle form submission
Get interview-ready with Top 6D Technologies Interview Questions
I applied via campus placement at College of Engineering Perumon, Kollam and was interviewed in Jan 2024. There were 3 interview rounds.
Merging two linked lists involves combining the elements of both lists into a single sorted list.
Create a new linked list to store the merged list
Compare the values of the nodes from both lists and add the smaller value to the merged list
Move the pointer of the list with the smaller value to the next node
Repeat the comparison and addition until both lists are exhausted
If one list is exhausted, append the remaining node
Selection sort is a simple sorting algorithm that repeatedly selects the minimum element from an unsorted portion of the array and swaps it with the first element.
Iterate through the array and find the minimum element
Swap the minimum element with the first element
Repeat the process for the remaining unsorted portion of the array
A critical section is a part of a program where shared resources are accessed and must be protected from concurrent access.
Critical sections are used to prevent race conditions and ensure data integrity.
They are typically protected using locks or other synchronization mechanisms.
Only one thread can execute the critical section at a time.
Examples include accessing a shared database, updating a global variable, or modify
OOPs stands for Object-Oriented Programming and its concepts include encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation: Bundling data and methods that operate on the data into a single unit (object).
Inheritance: Allowing a new class to inherit properties and behavior from an existing class.
Polymorphism: The ability for objects of different classes to respond to the same message in different ways.
A...
I applied via campus placement at GH Raisoni Institute of Engineering and Technology, Pune and was interviewed in Dec 2023. There were 2 interview rounds.
General Aptitude
DSA
Computer Networks
Linux is an open-source operating system known for its stability, security, and flexibility.
Linux is widely used in server environments due to its stability and security features.
It is highly customizable and can be tailored to specific needs, making it popular for embedded systems and IoT devices.
Many programming and development tools are natively supported on Linux, making it a preferred choice for developers.
Linux i...
I applied via Campus Placement and was interviewed in Nov 2023. There were 3 interview rounds.
Usual numerical and technical questions
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The duration of 6D Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
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