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2 Query question and 3 coding questions
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
Objects are instances of classes, which define the structure and behavior of the objects.
Encapsulation, inheritance, and polymorphism are key principles of object oriented programming.
Example: Java, C++, Python are popular languages that support object oriented programming.
Events in JavaScript are actions or occurrences that happen in the browser that the code can respond to.
Events can be triggered by user actions (like clicking a button), browser actions (like page load), or system events (like a timer expiring)
Event listeners are used to listen for and respond to events
Common events include click, mouseover, keydown, submit, etc.
Project , coding question, DBMS
I applied via campus placement at S R Engineering College, Ranga Reddy and was interviewed in Sep 2023. There were 4 interview rounds.
Aptitude test was of 1 hr
It was about 1 hr duration
Object-oriented programming paradigm focusing on objects and classes
Encapsulation: Bundling data and methods that operate on the data into a single unit (object)
Inheritance: Ability of a class to inherit properties and behavior from another class
Polymorphism: Ability to present the same interface for different data types
Abstraction: Hiding the complex implementation details and showing only the necessary features
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
Encapsulation helps in hiding the internal state of an object and restricting access to it.
It allows for better control over the data by preventing outside interference.
Encapsulation also promotes code reusability and modularity.
Example: In object-oriented programming, classes encapsulate data fields and methods to ope
I was interviewed in Nov 2021.
Round duration - 30 minutes
Round difficulty - Easy
This round mainly consisted of some questions on advanced JS topics like Execution Context, Callback queue, Micro task queue, Promises, etc.
Round duration - 60 minutes
Round difficulty - Medium
This round was more technical compared to the previous one. The interviewer was a senior developer. If questions were not answered, answers would be given/explained.
Round duration - 30 minutes
Round difficulty - Easy
This round was mainly to assess my experience level, roles, and responsibilities from my previous company. Salary negotiations also happened here.
Tip 1 : Learn about Execution Context, Promises in JS
Tip 2 : Learn about indices, Difference between different databases
Tip 3 : Error handling and Exceptions
Tip 1 : Put in what you’ve done and not what you could have done.
Tip 2 : Keep it short and simple
I was interviewed in Jun 2021.
Round duration - 180 minutes
Round difficulty - Hard
The test link had 3 days expiry so I could attempt test anytime. It was conducted on doselect.com
You are given an array/list named 'SEQUENCE', which consists of 'N' integers. The task is to identify all equilibrium indices in this sequence.
An equilibr...
The task is to find the equilibrium indices of a given sequence, where the sum of elements at lower indices is equal to the sum of elements at higher indices.
Iterate through the sequence and calculate the total sum of all elements
Initialize a left sum and right sum as 0
For each index, update the left sum and right sum and check if they are equal
If they are equal, add the index to the equilibrium indices
Return the equil
Round duration - 60 minutes
Round difficulty - Medium
Video interview round wherein I was asked to wrote code for the problem statements given by the interviewer. The problems were mainly focused on advanced JS concepts like asynchonous progamming, timers, closures, and data structure problems around arrays, sets, linked list etc.
Given a singly linked list in the form 'L1' -> 'L2' -> 'L3' -> ... 'Ln', your task is to rearrange the nodes to the form 'L1' -> 'Ln' -> 'L2' -> '...
The task is to rearrange the nodes of a singly linked list in a specific order without altering the data of the nodes.
Iterate through the linked list to find the middle node using the slow and fast pointer technique.
Reverse the second half of the linked list.
Merge the first and reversed second half of the linked list alternatively to get the desired order.
Round duration - 30 minutes
Round difficulty - Easy
This was the last round with HR wherein they judged cultural fit and there was discussion on things like my expectations v/s their expectations etc.
Tip 1 : Get well versed with the fundamentals of Javascript including advanced concepts like promises, async/await, generators, higher order functions, closures, currying etc.
Tip 2 : Do some projects on MERN Stack because a lot of projects here use some or all of those technologies
Tip 3 : Do prepare for behavioral/cultural-fit questions especially around how you'll handle various stituations during work or how will you manage productivity while working remotely.
Tip 1 : Having projects on MERN stack will give you advantage
Tip 2 : Do mention if you have any AWS experience.
Tip 3 : Mention all your internships/past experiences. Keep them crisp and talk about what you did and it's impact/outcome.
Tip 4 : Any experience/exposure to blockchain will definitely give brownie points.
Springworks interview questions for designations
Medium to hard questions based on arrays, dp
Quick sort is a popular sorting algorithm that uses divide and conquer strategy.
Divides array into smaller sub-arrays based on a pivot element
Recursively sorts sub-arrays
Combines sorted sub-arrays to get final sorted array
Time complexity: O(n log n) on average, O(n^2) worst case
Example: [3, 6, 8, 10, 1, 2, 1] -> [1, 1, 2, 3, 6, 8, 10]
Rotate a matrix by 90 degrees in place
Transpose the matrix
Reverse each row of the transposed matrix
2 DSA questions Both are from DP
I applied via Campus Placement and was interviewed in Mar 2024. There was 1 interview round.
There were 5 question out of which 2 were coding Data Structure problems , 1 was SQL based , 1 was AI based Problem ( Machine Learning ) and 1 was to create UML Diagram.
First Coding question was pretty easy , other one was kinda tough , UML Diagram was also easy and SQL query was of moderate level.
I applied via Monster and was interviewed in Apr 2024. There was 1 interview round.
Node.js is a runtime environment that allows you to run JavaScript on the server side, making it useful for building scalable network applications.
Node.js is built on Chrome's V8 JavaScript engine and uses an event-driven, non-blocking I/O model, making it lightweight and efficient.
It is commonly used for building web servers, APIs, real-time applications, and microservices.
Node.js has a large ecosystem of libraries an...
I applied via campus placement at Kongu Engineering College, Erode and was interviewed in May 2024. There were 2 interview rounds.
1 hr and it is pretty easy and having snippets technical questions etc
I didn't selected for second round
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