Wheelseye Technology Senior Software Engineer Interview Questions and Answers

Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins

Q1. Array basics was asked
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Q2. Segment tree,prefix sum
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Q1. Low level design was asked
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Q1. Design Booking Management System
Ans. 
Design a Booking Management System for handling reservations and scheduling.
• Create a user-friendly interface for customers to make bookings

• Implement a database to store booking information

• Include features for managing availability, cancellations, and payments
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DSA Problems from leetcode

Q1. Basics about Android and iOS
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I was asked question on sliding window on finding the largest subarray with all distinct numbers. The interviewer was very helpful.

Q1. Order management coding Crud api using in memory storage
Ans. 
Implement CRUD API for order management using in-memory storage
• Use RESTful endpoints for CRUD operations (GET, POST, PUT, DELETE)

• Store orders in a data structure like a list or dictionary in memory

• Handle error cases like invalid input or missing data

• Implement validation for input data to ensure data integrity
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Q1. Leetcode medium coding question
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Q1. Push notifications
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Q2. DATA STRUCTURE with js
Ans. 
Data structures are used to store and organize data in a computer so that it can be accessed and manipulated efficiently.
• Data structures in JavaScript include arrays, objects, sets, and maps.

• Arrays are used to store a collection of elements, accessed by index.

• Objects are used to store key-value pairs.

• Sets are used to store unique values.

• Maps are used to store key-value pairs with keys of any type.
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Q1. Timer in react native
Ans. 
In React Native, timers can be implemented using the setTimeout and setInterval functions.
• Use setTimeout for a one-time delay before executing a function.

• Use setInterval for executing a function repeatedly at a specified interval.

• Remember to clear the timer using clearTimeout or clearInterval when no longer needed.
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Q2. Find occurance of elements in array
Ans. 
Count occurrences of elements in an array of strings
• Iterate through the array and use a hashmap to store the count of each element

• Use a for loop to go through each element and increment the count in the hashmap

• Return the hashmap with element counts
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Q1. DSA question based on tree
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