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Designing a lift system using data structures
Use a queue data structure to manage the order of requests for each floor
Implement a priority queue to handle emergency stops or VIP requests
Use a state machine to track the current status of the lift (moving, stopped, opening/closing doors)
Maintain a list of floors the lift has visited to optimize route planning
I applied via Walk-in and was interviewed before May 2023. There was 1 interview round.
Designing a video streaming platform involves considering scalability, user experience, content delivery, and security.
Consider scalability by using a distributed architecture to handle large numbers of concurrent users.
Focus on user experience with intuitive interfaces, personalized recommendations, and seamless playback.
Implement content delivery networks (CDNs) to ensure fast and reliable streaming across different ...
Single Page Application is a web application that loads a single HTML page and dynamically updates the page as the user interacts with it.
Loads a single HTML page initially
Updates content dynamically without reloading the entire page
Uses AJAX, JavaScript, and frameworks like Angular, React, or Vue.js
Provides a seamless user experience similar to a desktop application
Ajax calls are asynchronous HTTP requests made by the browser to the server without reloading the entire page.
Ajax stands for Asynchronous JavaScript and XML
Used to update parts of a web page without reloading the entire page
Improves user experience by making the website more dynamic
Commonly used in web applications to fetch data from a server
Examples: fetching new emails in Gmail without refreshing the page, updating
Content Delivery Networks (CDNs) are distributed servers that help deliver web content efficiently to users based on their geographic location.
CDNs cache content closer to users for faster delivery
They help reduce latency and improve website performance
Popular CDNs include Akamai, Cloudflare, and Amazon CloudFront
Top trending discussions
posted on 19 Nov 2021
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
Check if a number is prime and optimize the code.
Start by checking if the number is less than 2, in which case it is not prime.
Iterate from 2 to the square root of the number and check if any of them divide the number evenly.
If a divisor is found, the number is not prime. Otherwise, it is prime.
To optimise API calls in React, use asynchronous functions and caching techniques.
Use async/await to handle API calls
Implement caching to reduce network requests
Use memoization to avoid unnecessary re-renders
Consider using a state management library like Redux
Use performance profiling tools like React DevTools
posted on 9 Feb 2022
I applied via Campus Placement
Online Coding Test included some aptitude questions, technical questions followed by 3 coding questions
I applied via Recruitment Consulltant and was interviewed before Apr 2023. There were 3 interview rounds.
An actual component is a reusable and modular piece of software that performs a specific function within a larger system.
Components are often designed to be independent and can be easily integrated into different systems.
Examples of components include buttons, input fields, and dropdown menus in a user interface.
Components can have their own logic, styling, and functionality, making them versatile building blocks for s
Designing the architecture for a software system involves planning the structure and components of the system.
Identify the key components of the system and their interactions
Choose appropriate technologies and frameworks for each component
Consider scalability, performance, security, and maintainability
Create a detailed diagram or documentation of the architecture
posted on 12 Apr 2023
I applied via Recruitment Consulltant and was interviewed before Apr 2022. There were 3 interview rounds.
25 MCQ questions online with time limit
Create webapp . Frontend, Backend , data encryption
posted on 4 Nov 2023
I appeared for an interview in Oct 2023.
Easy to medium
profit and loss questions
Permutation and combination
Easy to medium
45 mins
Operator overloading allows operators to be redefined for user-defined types in Java.
Operator overloading is not supported in Java as it can lead to ambiguity and confusion.
Java does not allow custom operators to be defined or existing operators to be overloaded.
Instead of operator overloading, Java provides method overloading where methods with the same name but different parameters can be defined.
Java is a high-level, object-oriented programming language known for its platform independence and robust features.
Java is platform-independent, meaning it can run on any device with a Java Virtual Machine (JVM)
It is object-oriented, allowing for modular and reusable code
Java is known for its robust standard library, which includes tools for networking, I/O, and more
It supports multithreading, allowing for concurrent e...
posted on 24 Sep 2024
I applied via Campus Placement
Easy aptitude, 30 min with 20 question
posted on 25 Sep 2024
I applied via Referral and was interviewed before Sep 2023. There were 2 interview rounds.
Simple aptitude questions.
My strength lies in my problem-solving skills and ability to learn quickly.
Strong problem-solving skills
Quick learner
Adaptability to new technologies
Ability to work well under pressure
Yes, I am comfortable working under pressure and have experience delivering high-quality work in tight deadlines.
I have successfully completed projects with tight deadlines in my previous roles.
I am able to prioritize tasks effectively and remain focused under pressure.
I thrive in challenging situations and see them as opportunities to showcase my skills.
I have experience working on urgent bug fixes and resolving issue
posted on 11 Feb 2022
I applied via Campus Placement and was interviewed in Aug 2021. There were 4 interview rounds.
1st test was aptitude and a easy coding test
The 2nd test was pure coding based test on hacker rank platform and contains 2 easy and 2 medium question
based on 2 interviews
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