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Walstar Technologies
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I applied via LinkedIn and was interviewed before May 2023. There was 1 interview round.
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posted on 12 Jun 2024
A simple Todo app to manage tasks and deadlines
Create a form to add new tasks
Display a list of tasks with checkboxes to mark as complete
Include options to edit or delete tasks
Implement functionality to mark tasks as complete or incomplete
Add a feature to filter tasks by status (completed/incomplete)
I applied via Naukri.com and was interviewed before Apr 2019. There were 4 interview rounds.
I applied via Walk-in and was interviewed before Mar 2021. There were 3 interview rounds.
Aptitude test
Current affairs
posted on 16 Sep 2021
I appeared for an interview before Sep 2020.
Round duration - 50 minutes
Round difficulty - Medium
Round duration - 20 minutes
Round difficulty - Medium
You are given an integer array 'ARR' of size 'N' and an integer 'S'. Your task is to find and return a list of all pairs of elements where each sum of a pair equals 'S'.
Given an array and a target sum, find pairs of elements that add up to the target sum.
Iterate through the array and for each element, check if the complement (target sum - current element) exists in a hash set.
If the complement exists, add the pair to the result list. Otherwise, add the current element to the hash set.
Sort the pairs based on the first element and then the second element to meet the required output form
Round duration - 20 minutes
Round difficulty - Easy
Round duration - 40 minutes
Round difficulty - Hard
Pointers in C/C++ are variables that store memory addresses. They are used to manipulate memory directly and improve performance.
Pointers are declared using an asterisk (*) before the variable name.
Pointers can be used to dynamically allocate memory using functions like malloc() and free().
Pointers can be used to pass variables by reference to functions.
Tip 1 : Do atleast 1 project
Tip 2 : Practice Data structure programming questions
Tip 3 : Prepare concepts with examples (Coding/Numericals)
Tip 1 : Mention Projects
Tip 2 : Mention only those technologies which you are confident enough.
Tip 3 : Mention extra curricular activities if have.
posted on 12 Apr 2024
I applied via Referral and was interviewed before Apr 2023. There were 4 interview rounds.
Few questions that would involve problem solving. Basic 10th std math would suffice
Had few DSA questions.
posted on 31 Aug 2024
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
Simple question on maths
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
OOPS focuses on creating objects that interact with each other to solve complex problems
Key principles include encapsulation, inheritance, polymorphism, and abstraction
Encapsulation ensures that the internal state of an object is hidden from the outside world
Inheritance allows a class to inherit...
posted on 21 Jul 2023
Program to check if a string is an anagram
Create a function that takes in two strings as input
Remove all spaces and convert both strings to lowercase
Sort both strings and compare if they are equal to determine if they are anagrams
React lifecycle methods are special methods that are automatically called by React at specific points in a component's life cycle.
React components have several lifecycle methods such as componentDidMount, componentDidUpdate, componentWillUnmount, etc.
These methods allow developers to perform actions at specific points in a component's life cycle, such as fetching data, updating the UI, or cleaning up resources.
Understa...
Create a web app to perform cred operation
posted on 6 Jan 2024
I applied via Campus Placement and was interviewed before Jan 2023. There were 4 interview rounds.
General aptitude questions
Abstract topic group discussion
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Interview experience
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