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Physicswallah Front end Developer Interview Questions, Process, and Tips for Experienced
Top Physicswallah Front end Developer Interview Questions and Answers for Experienced
- Q1. In what cases will you use Promise.all
- Q2. What is memoization in react
- Q3. Promise vs promise all
Physicswallah Front end Developer Interview Experiences for Experienced
2 interviews found
Anonymous
I was interviewed in Feb 2024.
(5 Questions)
- Q1. What is memoization in react
- Ans.
Memoization is a technique used to optimize performance by storing the results of expensive function calls and returning the cached result when the same inputs occur again.
Memoization helps to avoid redundant calculations by storing the results of function calls.
It can be implemented using libraries like 'memo' in React or manually by storing results in a cache.
Memoization is commonly used in React to optimize renderin...
- Q2. Promise vs promise all
- Ans.
Promise is used for asynchronous operations with a single result, while Promise.all is used for handling multiple promises simultaneously.
Promise is used for handling asynchronous operations with a single result
Promise.all is used for handling multiple promises simultaneously
Promise.all waits for all promises to resolve or any one to reject
- Q3. Minimum sum path
- Q4. React Vs Angular
- Ans.
React is a lightweight library for building user interfaces, while Angular is a full-fledged framework with more features and conventions.
React is more flexible and allows for more control over the code structure.
Angular provides more out-of-the-box features like routing, forms, and HTTP client.
React is easier to learn for beginners due to its simplicity.
Angular has a steeper learning curve but offers more built-in too...
- Q5. In what cases will you use Promise.all
- Ans.
Promise.all is used to handle multiple promises concurrently and wait for all of them to resolve.
Use Promise.all when you need to make multiple asynchronous calls and wait for all of them to complete before proceeding.
It is useful for scenarios like fetching data from multiple APIs and processing them together.
Example: Promise.all([fetch('url1'), fetch('url2')]).then(responses => { // handle responses })
(2 Questions)
- Q1. Situational questions
- Q2. Questions related to day to day work
Skills evaluated in this interview
Selected
I applied via Instahyre and was interviewed in Jul 2024. There were 2 interview rounds.
Api Call with pagination support, Card with button.
Same , Just changed the difficulties
Interview questions from similar companies
I applied via Recruitment Consulltant and was interviewed in May 2024. There was 1 interview round.
(2 Questions)
- Q1. Javascript object manipulation based coding question
- Q2. React based verbal questions
Interview Questionnaire
1 Question
- Q1. Hash Table in JavaScript Basic HTML CSS Layout React Class Components with Lifecycle Methods React Hooks
I applied via Campus Placement and was interviewed before Nov 2023. There was 1 interview round.
Question were very basic from array and stacks
(1 Question)
- Q1. Sdlc lifecycle of components and architecture.
- Ans.
SDLC lifecycle involves planning, designing, developing, testing, deploying, and maintaining software components and architecture.
SDLC (Software Development Life Cycle) includes phases like planning, designing, coding, testing, and maintenance.
Components are designed, developed, tested, and integrated into the overall architecture.
Architecture involves defining the structure, behavior, and interactions of software comp...
(1 Question)
- Q1. Role and responsibility my tasks and questions on project
Skills evaluated in this interview
Selected
I applied via Job Fair and was interviewed before Nov 2023. There were 3 interview rounds.
3 coding question around prime number arrays and strings
(2 Questions)
- Q1. Introduce youself
- Q2. Question around project and skill in the resume and one coding question to solve
(2 Questions)
- Q1. Question on project and skill in resume
- Q2. 2 question arouond data structer and algorithm
I applied via LinkedIn and was interviewed in Feb 2023. There were 6 interview rounds.
(1 Question)
- Q1. Data structures
(1 Question)
- Q1. System Design fundamentals
(1 Question)
- Q1. System Design questions
(1 Question)
- Q1. What do you think about the negative news going around the company
(1 Question)
- Q1. Why join this company
Interview Preparation Tips
After taking 5 rounds, they have the audacity of not even calling back, picking up the calls or providing us with any information. If you are not interested in taking the candidate then why waste their time?
Funniest part is that they are fully aware of what a rubbish organization it is. In the later rounds they talked about cost cutting, negative news around the company, and employee complaints for work life balance. However, they are great at gaslighting as well because they make these sound like employee problems not employer problems.
I applied via Naukri.com and was interviewed before Aug 2023. There was 1 interview round.
(2 Questions)
- Q1. Explain about Android lifecycle
- Ans.
Android lifecycle refers to the series of states that an activity or fragment goes through from creation to destruction.
Android lifecycle includes states like onCreate, onStart, onResume, onPause, onStop, onDestroy, etc.
Activities and fragments transition between these states based on user interactions and system events.
Understanding Android lifecycle is crucial for managing resources, saving state, and handling config...
- Q2. Explain about fragment lifecycle
- Ans.
Fragment lifecycle refers to the series of events that occur in the lifespan of a fragment in an Android app.
Fragments go through various states like created, started, resumed, paused, stopped, and destroyed.
Fragment lifecycle methods include onCreate(), onCreateView(), onResume(), onPause(), onStop(), onDestroy(), etc.
Fragment lifecycle is closely tied to the hosting activity's lifecycle.
Understanding fragment lifecyc...
Interview Preparation Tips
Skills evaluated in this interview
Asking the dp and tree and other
(1 Question)
- Q1. Asking the project based question and
(1 Question)
- Q1. Some question asking base on cultural base and resume based
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Physicswallah Front end Developer Interview Process for Experienced
based on 2 interviews
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