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UClean Interview Questions and Answers
UClean Interview Experiences
3 interviews found
Anonymous
Selected
I applied via Referral and was interviewed before Dec 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about yourself.
- Ans.
I am a software developer with 5 years of experience in Java, Python, and SQL.
5 years of experience in Java, Python, and SQL
Strong problem-solving skills
Experience working in Agile development environment
Bachelor's degree in Computer Science from XYZ University
- Q2. Basic Technical Questions?
(2 Questions)
- Q1. What is React? What is State in React? What are hooks?
- Ans.
React is a JavaScript library for building user interfaces. State in React is an object that stores component data. Hooks are functions that let you use state and other React features in functional components.
React is a JavaScript library for building user interfaces
State in React is an object that stores component data
Hooks are functions that let you use state and other React features in functional components
- Q2. Explain Redux? What is flat list in React Native?
- Ans.
Redux is a predictable state container for JavaScript apps. FlatList is a component in React Native for rendering flat lists.
Redux is a state management library for JavaScript apps.
It helps in managing the state of the application in a predictable way.
FlatList is a component in React Native used for rendering flat lists efficiently.
It is used to display a scrolling list of data where all the items have the same height.
Interview Preparation Tips
- React Native
- React.Js
- MySQL
- Node.Js
- Angularjs
- Vscode
- Github
Software Developer Interview Questions asked at other Companies
Bipul Kumar
Selected
I applied via Referral and was interviewed before Mar 2023. There were 2 interview rounds.
(1 Question)
- Q1. Educational background and profile related queries like javascript and react native basic questions
(1 Question)
- Q1. Some react native and javascript question like dom manipulation, etc. Project discussion how to make this project dynamic where i use dom manipulation, and why i use particular framework for this project,...
Interview Preparation Tips
- Javascript
- Typescript
- Angular
- NodeJS
Good knowledge of frontend framework like AngularJS, React, and for backend you have skill like NodeJS and SailSJS
React Native Developer Interview Questions asked at other Companies
Selected
I applied via Recruitment Consulltant and was interviewed before Mar 2023. There was 1 interview round.
(2 Questions)
- Q1. How to do frauding in selling franchise
- Ans.
Frauding in selling franchise involves misleading potential investors and misrepresenting the business opportunity.
Misrepresenting financial projections to make the franchise appear more profitable than it actually is
Falsifying testimonials or success stories to attract more investors
Hiding important information about the franchise agreement or fees involved
Creating fake marketing materials to exaggerate the potential ...
- Q2. Taking money from franchise and running away
Interview Preparation Tips
Zonal Business Manager Interview Questions asked at other Companies
Interview questions from similar companies
I appeared for an interview in Apr 2021.
(2 Questions)
Round duration - 60 minutes
Round difficulty - Easy
The round consisted of 2 coding Problems and it lasted for 60 minutes from 12:00 PM to 1:00 PM on Hackerearth.
Use of other IDEs was prohibited and video was on.
- Q1.
Implement indexOf Function
You are provided with two strings
AandB. Your task is to find the index of the first occurrence ofAwithinB. IfAis not found inB, return -1.Example:
Input:
A = "bc", ...
- Ans.
Implement a function to find the index of the first occurrence of one string within another string.
Iterate through the second string and check if a substring of the same length as the first string matches the first string.
Return the index of the first occurrence of the first string within the second string, or -1 if not found.
Handle edge cases like empty strings or when the first string is longer than the second string
- Q2.
Problem: Search In Rotated Sorted Array
Given a sorted array that has been rotated clockwise by an unknown amount, you need to answer
Qqueries. Each query is represented by an integerQ[i], and you must ... - Ans.
Search for integers in a rotated sorted array efficiently.
Implement binary search to find the target integer in the rotated array.
Handle the rotation by checking which side of the array is sorted before performing binary search.
Return the index of the target integer if found, else return -1.
Time complexity of O(logN) is required for each query.
(1 Question)
Round duration - 60 minutes
Round difficulty - Medium
The round was conducted on Google Meet with 2 interviewers . They were friendly and helpful.
The timing was 12:00 to 1:00 PM.
Our Video was on .
- Q1.
Distinct Subsequences Problem Statement
You are given a string 'S' of length 'N' which may include duplicate alphabets. Your goal is to calculate the number of distinct subsequences in the string.
Exampl...
- Ans.
Calculate the number of distinct subsequences in a string with possible duplicates.
Use dynamic programming to keep track of the count of distinct subsequences for each character in the string.
Consider the cases where the current character is included or excluded in the subsequence.
Handle duplicates by considering the previous occurrence of the character.
Return the count of distinct subsequences modulo 10^9 + 7.
Round duration - 60 minutes
Round difficulty - Easy
This was a Behavioral Round. It lasted for 45-50 minutes. It consisted of a discussion on my projects. The interviewer was very impressed by the way I explained my projects. She even appreciated me for that. This was followed by normal HR questions .Timing of This round was 4:00 PM to 5:00 PM
Interview Preparation Tips
Tip 1 : I prepared all topics from my Coding Ninjas Course - Competitive Programming
Tip 2 : I practiced 300+ questions on CodeZen ( Coding Ninjas Platform), LeetCode, InterviewBit
Tip 3 : I took part in contests on CodeForces.
Tip 4 : Apart from Data Structures and Algorithms , I also studied DBMS, OOPs and other course subjects
Tip 1 : Keep Resume up to date for the role you are applying.
Tip 2 : Mention atleast 1 project or past work experience.
Tip 3 : Try to keep a 1 pager resume.
Skills evaluated in this interview
Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins
(2 Questions)
- Q1. Array basics was asked
- Q2. Segment tree,prefix sum
(1 Question)
- Q1. Low level design was asked
(2 Questions)
- Q1. Stock buy and sell with at most 2 transaction
- Ans.
Implement a solution to find the maximum profit from buying and selling stocks with at most 2 transactions.
Use dynamic programming to keep track of maximum profit at each day with 0, 1, or 2 transactions.
Consider the possibility of splitting the transactions into two separate parts.
Calculate the maximum profit by iterating through the prices array and updating the maximum profit accordingly.
- Q2. Binary search to find target
- Ans.
Binary search is a divide and conquer algorithm that efficiently finds a target value in a sorted array.
Divide the array in half and compare the target value with the middle element
If the target is less than the middle element, search the left half. If greater, search the right half
Repeat the process until the target is found or the subarray is empty
(2 Questions)
- Q1. General about project
- Q2. Design paytm wallet
- Ans.
Design a digital wallet system similar to Paytm.
Allow users to add money to their wallet using various payment methods like credit/debit cards, net banking, UPI, etc.
Enable users to make payments for various services like mobile recharge, bill payments, online shopping, etc.
Implement security measures like two-factor authentication, encryption of sensitive data, and regular security audits.
Provide features like transac...
Skills evaluated in this interview
I applied via Campus Placement and was interviewed in Mar 2024. There was 1 interview round.
(3 Questions)
- Q1. Trapping Rain Water
- Q2. Merge Intervals
- Q3. Design a Customer Support Chat Application System
- Ans.
A customer support chat application system for efficient communication and problem-solving.
Implement live chat functionality for real-time communication
Include automated responses for common queries
Integrate ticketing system for tracking and resolving issues
Provide chat history for reference and continuity
Ensure data security and privacy measures are in place
Skills evaluated in this interview
sahil saini
(2 Questions)
- Q1. What is thread ?
- Ans.
A thread is a lightweight process that can run concurrently with other threads within the same process.
Threads allow for parallel execution of tasks within a single process.
Threads share the same memory space and resources of the process they belong to.
Threads can communicate with each other through shared memory or message passing.
Examples: Java threads, POSIX threads (pthreads) in C/C++.
- Q2. Inter process communication and project?
Skills evaluated in this interview
I applied via Referral and was interviewed before Sep 2023. There were 3 interview rounds.
Quant, LR, puzzles, cat based level 2 questions
(2 Questions)
- Q1. Difference between tuple nd list
- Ans.
Tuple is immutable and ordered, while list is mutable and ordered in Python.
Tuple is created using parentheses () while list is created using square brackets []
Tuple elements cannot be changed once assigned, while list elements can be modified
Tuple is faster than list for iteration and accessing elements
Example: tuple = (1, 2, 3) and list = [1, 2, 3]
- Q2. How will you cut a cake into 8 equal pieces by 3 cuts
(2 Questions)
- Q1. Walk me through ur cv
- Ans.
I have a strong background in data analysis with experience in various industries.
Bachelor's degree in Statistics with a focus on data analysis
Proficient in SQL, Python, and data visualization tools like Tableau
Experience working with large datasets and conducting statistical analysis
Completed internships at XYZ Company and ABC Organization
Presented findings at industry conferences
- Q2. What have learnt from this experience?
- Ans.
I have learned to effectively analyze and interpret data to derive meaningful insights and make informed decisions.
Developed strong analytical skills through hands-on experience with various data analysis tools and techniques
Improved ability to identify trends, patterns, and outliers in data sets
Enhanced communication skills by presenting findings and recommendations to stakeholders
Learned to collaborate with team memb
Interview Preparation Tips
Skills evaluated in this interview
Assistant Manager Interview Questions & Answers
Urban Company
ROOP KISHOR SHARMA
posted on 10 Apr 2024
Selected
I applied via Approached by Company and was interviewed before Apr 2023. There was 1 interview round.
(2 Questions)
- Q1. When are you working in Warehouse?
- Q2. What do you do in the warehouse?
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