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Ola Cabs Sde1 Interview Questions and Answers
Ola Cabs Sde1 Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in May 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Write a react js parent and child components and show how passing props work?
- Ans.
Example of React parent and child components with props
Create a parent component with state and pass it as props to child component
Access the props in child component using 'props' keyword
Update the parent state from child component using a callback function passed as prop
Example: Parent component -
Example: Child component -
- Q2. What is closure in JS?
- Ans.
Closure is a function that has access to its outer function's variables, even after the outer function has returned.
Closure is created when a function returns another function.
The inner function has access to the outer function's variables.
Closure is used to create private variables and methods.
Example: function outer() { let x = 10; return function inner() { console.log(x); } }
Example: let closureFunc = outer(); closu
- Q3. Explain currying in JS? sum(1)(2)(); sum(2)(4)(); All these should return sum of numbers
- Ans.
Currying is a technique of transforming a function that takes multiple arguments into a sequence of functions that each take a single argument.
Currying is achieved by returning a function that takes the next argument until all arguments are received.
In JavaScript, currying is often used for partial application of functions.
The sum function in the example takes one argument and returns a function that takes the next arg...
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Interview questions from similar companies
I applied via Company Website and was interviewed in May 2024. There were 2 interview rounds.
3 DSA questions were there in the coding round
(2 Questions)
- Q1. DSA based question
- Q2. DSA question medium level
Coding conecpt, apti
(1 Question)
- Q1. Basic dsa, puzzles
(1 Question)
- Q1. Basic dsa, dbms
Selected
I applied via Company Website and was interviewed in May 2023. There were 3 interview rounds.
Very Easy questions just do it
(4 Questions)
- Q1. What is your introduction
- Q2. Why SDE 1 only not SDE 2
- Ans.
SDE 1 is an entry-level position where candidates gain foundational skills before advancing to SDE 2.
SDE 1 focuses on learning and building foundational skills in software development.
SDE 2 requires more experience and expertise in software development.
Advancing from SDE 1 to SDE 2 is a common career progression in tech companies.
SDE 1 roles often involve working on smaller projects or components of larger projects.
SDE...
- Q3. If bully happens will you bully someone
- Ans.
No, I believe in standing up against bullying and supporting those who are being bullied.
I do not support bullying in any form and believe in treating others with respect and kindness.
I would try to intervene and help the person being bullied, either by talking to the bully or seeking help from a teacher or supervisor.
I believe in creating a positive and inclusive environment where everyone feels safe and respected.
- Q4. If taken leave can you work 7 days a week
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Jul 2023. There were 3 interview rounds.
Design splitwise. Low Level question. More like Machine Coding
Question on Strings and DP
(2 Questions)
- Q1. DynamoDB Working
- Q2. General Discussion regarding projects in previous firm
MY aptitude round was on naukrii.com , which I cleared.
(2 Questions)
- Q1. Questions were asked on OOPS Concept, Make sure you should have a strong command on oops.
- Q2. 1 DSA Question and they told me to write the code on whiteboard
(2 Questions)
- Q1. It was technical interview, she asked me about my project and asked me to tell test cases on my project.
- Q2. 1 dsa question, 2 strings anagram, and other pattern question
(2 Questions)
- Q1. It was with qa lead of infoedge company. she told me to tell test cases of chair.
- Q2. She asked me about testing and all.
(1 Question)
- Q1. AAbhi hua nhi hai, jab hoga toh bata dungi.
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Minimum Knight Moves (LC Medium)
- Q2. OS, CN, DB concepts like multithreading, semaphore, tcp vs udp, transaction and ACId properties. Java concepts like stack vs heap(memory), error vs exception. Any 1 Project discussion for 10 mins
Interview Preparation Tips
Shubham Sharma
(1 Question)
- Q1. General DSA question leetcode style
(1 Question)
- Q1. Discussion on previous project
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Stack based question Medium Difficulty DSA.
- Q2. Theory questions related Java, Spring, OOPs
(3 Questions)
- Q1. Medium-hard DSA question.
- Q2. Project related questions
- Q3. Design Patterns
(1 Question)
- Q1. Company fit questions
(2 Questions)
- Q1. React hooks implemetation
- Q2. Node event loop
Interview Preparation Tips
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