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I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
A set is an unordered collection of unique elements, while a list is an ordered collection of elements that may contain duplicates.
Sets do not allow duplicate elements, while lists can have duplicate elements.
Sets are unordered, meaning the elements do not have a specific order, while lists maintain the order of elements.
Sets are typically used when the existence of an element is more important than the order or freque...
An interceptor is a software design pattern that allows for pre-processing and post-processing of requests and responses.
Interceptors can be used for logging, authentication, authorization, caching, error handling, and more
They can intercept HTTP requests and responses in web applications
Examples include Angular HTTP interceptors, Spring Interceptors in Java, and Axios interceptors in JavaScript
Spring Security is a powerful and customizable authentication and access control framework for Java applications.
Provides comprehensive security services for Java EE-based enterprise software applications
Supports authentication, authorization, and protection against common security vulnerabilities
Integrates with Spring Framework for seamless security configuration
Allows for easy customization and extension through conf...
The workflow of the project involves planning, development, testing, and deployment.
Planning phase includes gathering requirements and creating a project plan.
Development phase involves writing code and implementing features.
Testing phase includes unit testing, integration testing, and user acceptance testing.
Deployment phase involves releasing the software to production environment.
Iterative process with feedback loop
Use a sorting algorithm like quicksort or mergesort to sort the list in descending order.
Implement a sorting algorithm like quicksort or mergesort to sort the list in descending order.
Modify the comparison function to sort the elements in descending order.
Ensure the sorting algorithm is efficient and handles edge cases like duplicate elements.
Comparable is better for natural ordering, while Comparator is better for custom ordering.
Comparable is used to define the natural ordering of objects, while Comparator is used to define custom ordering.
Comparable is implemented by the class whose objects need to be compared, while Comparator is implemented by a separate class.
Comparable uses the compareTo() method to compare objects, while Comparator uses the compare(...
Spring AOP is a programming paradigm that allows separating cross-cutting concerns from the main application logic.
Spring AOP enables modularization of concerns such as transaction management, logging, security, etc.
It allows defining aspects (cross-cutting concerns) and applying them to multiple classes.
AspectJ is a popular implementation of AOP in Spring framework.
Example: Using AOP to log method execution time acros
HashSet is an unordered collection of unique elements, while TreeSet is a sorted set implemented using a tree structure.
HashSet does not maintain any order of elements, while TreeSet maintains elements in sorted order.
HashSet allows null values and is generally faster for adding, removing, and checking for existence of elements.
TreeSet does not allow null values and provides efficient operations for finding the smalles...
HTML, CSS, javascript, boostsrap
I applied via Naukri.com and was interviewed in Apr 2023. There were 3 interview rounds.
TechAffinity interview questions for popular designations
I applied via Referral and was interviewed in Dec 2020. There were 3 interview rounds.
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posted on 15 Jul 2022
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
If you are a fresher , then this is for you else almost no coding test for experienced candidates.
posted on 15 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 135 minutes
Round difficulty - Medium
The test window was open from 2:00 p.m. to 05:30 PM IST on 28th of August 2020.We were also given a chance to take a practice test to know about working of the platform .It was a Proctored Assessment .The test platform was HackerEarth and there were around 28 MCQs, 1 programming question, and 2 SQL queries. MCQs majorly focused on OS, DBMS, C++, OOPS concepts.
Given an array of integers ARR
of length N
and an integer Target
, your task is to return all pairs of elements such that they add up to the Target
.
The first line ...
Find all pairs of elements in an array that add up to a given target.
Iterate through the array and use a hashmap to store the difference between the target and current element.
Check if the current element exists in the hashmap, if so, print the pair.
If no pair is found, print (-1, -1).
Round duration - 50 minutes
Round difficulty - Medium
It was basically a technical interview. It was conducted around 11:00 a.m. on 31st august 2020. There was only 1 person who was interviewing me though I expected a panel. It started off by the question regarding our college and infrastructure of it and what do I like the most about it etc. Later continued by few technical subjective questions and a code along with a basic query. Technical questions regarding data structures like linked list, Array List , HashMap were asked along with concepts like backtracking were also covered. More about technologies related to projects that I have done were asked which is machine learning. the ratings i earned in online judges were also asked about.
Given a 9x9 Sudoku board, your task is to fill the empty slots and return the completed Sudoku solution.
A Sudoku is a grid composed of nine 3x3 smaller grids. The challenge is to fill in the...
Implement a Sudoku solver to fill empty slots in a 9x9 grid with numbers 1-9 satisfying constraints.
Create a recursive function to solve the Sudoku puzzle by trying out different numbers in empty slots.
Use backtracking to backtrack and try a different number if a conflict is encountered.
Ensure each number appears only once per row, column, and 3x3 grid.
Return the completed Sudoku grid as the output.
Determine if a given singly linked list of integers forms a cycle or not.
A cycle in a linked list occurs when a node's next
points back to a previous node in the ...
Detect if a singly linked list forms a cycle by checking if a node's next points back to a previous node.
Traverse the linked list using two pointers, one moving one step at a time and the other moving two steps at a time.
If the two pointers meet at any point, it indicates the presence of a cycle in the linked list.
If one of the pointers reaches the end of the list (null), it means there is no cycle in the linked list.
Round duration - 40 minutes
Round difficulty - Medium
It is more of a Managerial round. This was not confined to any topic or a subject .It took place around 4:15 p.m. on 31st of August ,2020.
Tip 1 : Try to get good grip on basics , never jump into advanced concepts unless you are clear with the basic subject.
Tip 2 : Always have every main concept that is included in your core curriculum ( for a cs student) covered, make sure you
have idea about it and where you can apply it.
Tip 3 : Try to work on and know more about trending or booming technologies.
Tip 4 : Have short term goals when it comes to coding. Consider a topic for once ( like strings , pointers , dp etc.) and try to
cover maximum variety of problems possible in a reasonable period of time.
Tip 5 : Try to search for tricky pseudo codes online and guess the outputs.
Tip 6 : Give mock interviews before hand and also gather information about the company you have applied to.
Tip 1 : Do include only known and worked on concepts in your resume .Do not bluff or exaggerate.
Tip 2 : Our resume needs to show that we are flexible and have not just worked on a single domain. So try to do and add
at least 2 projects to your resume that too of different domains.
Tip 3 : Resume needs to look professional do not include a lot of personal details.
Tip 4 : Career Objective is something that is unique and written on your own and not copied from any website or peers
resume.
Tip 5 : A single page or 1 and a half page of resume would do good. Include certifications of any forefront technologies if possible
I applied via Approached by Company and was interviewed in Jul 2024. There were 3 interview rounds.
I have a strong technical background, proven track record of delivering high-quality software, and a passion for continuous learning and improvement.
I have a Bachelor's degree in Computer Science and X years of experience in software development.
I have successfully led multiple projects from conception to completion, delivering high-quality software on time and within budget.
I am proficient in a variety of programming ...
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