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I was interviewed in Jun 2024.
They asked three medium-difficulty coding questions.
Properties and methods to create a queue in preferred coding language
Properties: array to store elements, front and rear pointers
Methods: enqueue (add element to rear), dequeue (remove element from front), isEmpty, isFull
Example: Queue implementation in Python using list and append/pop methods
Use a hash set to identify and remove duplicates from an array of strings.
Create a hash set to store unique elements.
Iterate through the array and add each element to the hash set.
If an element is already in the hash set, remove it from the array.
Convert the hash set back to an array to get the final result.
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posted on 9 Jul 2024
Basic OOP questions for python programming language
Abstraction is the concept of hiding complex implementation details and showing only the necessary information to the user.
Abstraction allows users to focus on what an object does instead of how it does it
It helps in reducing complexity and improving efficiency in software development
Example: In object-oriented programming, abstract classes and interfaces are used to achieve abstraction
SQL databases are relational databases with structured data, while NoSQL databases are non-relational databases with flexible, unstructured data.
SQL databases use structured query language for defining and manipulating data, while NoSQL databases use different query languages or APIs.
SQL databases are table-based, with a predefined schema, while NoSQL databases are document, key-value, wide-column, or graph-based.
SQL d...
Reverse a linked list by changing the direction of pointers
Start with three pointers: current, prev, and next
Iterate through the linked list, updating pointers to reverse the direction
Update the head of the linked list to the last node after reversing
Binary search algorithm efficiently finds the target value in a sorted array.
Start by defining the low and high indices of the array.
Calculate the mid index and compare the target value with the value at mid.
If target is less than mid value, update high to mid-1; if greater, update low to mid+1.
Repeat until target is found or low is greater than high.
I applied via Campus Placement
Aptitude questions with 2-3 coding questions
Interpreter executes code line by line, compiler translates code into machine code before execution.
Interpreter translates code into machine code line by line during runtime
Compiler translates code into machine code before execution
Interpreted languages include Python, JavaScript
Compiled languages include C, C++
I applied via Approached by Company and was interviewed in Jul 2024. There were 3 interview rounds.
Stream a live log file to browser
The existing project is a web application for managing inventory and sales.
Built using React for the front-end and Node.js for the back-end
Uses MongoDB as the database
Includes features such as user authentication, product management, and sales tracking
Scaling up an existing project involves optimizing performance, increasing capacity, and improving efficiency.
Identify bottlenecks and areas for improvement
Implement caching mechanisms to reduce load times
Optimize database queries for faster retrieval
Upgrade hardware or infrastructure to handle increased traffic
Use load balancing to distribute traffic evenly across servers
posted on 29 Nov 2024
I applied via AmbitionBox
Java, spring,springboot
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
2 DSA questions Both are from DP
I was interviewed in Jul 2024.
Create an API using Notepad to check if a string is a palindrome or not.
posted on 1 Jul 2024
The aptitude test is conducted in virtual mode and it takes 45 minutes
It contains three section and each section contains 3 to 4 question.
posted on 18 Mar 2024
based on 1 interview
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