1Bridge Backend Developer Interview Questions and Answers

Q1. DSA Medium difficulty question Schema Design Low level design Amazon reviews page
Add your answer

It was on-campus placement interview.
Two rounds of interview were there and both were of DSA (DP and sorting algo).

3 Leetcode style questions , 2 medium , 1 hard .

Q1. Design a cab booking system using oops
Ans. 
A cab booking system designed using OOP principles
• Create classes for Cab, Customer, Driver, and Booking

• Use inheritance and polymorphism to handle different types of cabs and bookings

• Implement methods for booking a cab, assigning a driver, and calculating fare

• Use encapsulation to protect data and ensure data integrity
Answered by AI
Add your answer

Given two soted arrays merge them from a single sorted array with all items in non-decreassing order

First round was coding test in online mode which was quite easy.

Q1. In the 2nd round they asked the technical questions from SQL , simple coding questions.
Add your answer

Q1. What is deep copy ?
Ans. 
Deep copy is a copy of an object that duplicates all of its attributes, including nested objects, rather than just copying references.
• Deep copy creates a new object with its own unique memory space.

• Changes made to the original object do not affect the deep copy.

• Deep copy is often used when you need to modify an object without affecting the original.

• Example: Using JSON.parse(JSON.stringify(object)) in JavaScript to crea
Answered by AI
Add your answer

It was a DSA round with one medium and one hard question.

2 leetcode medium question in 1 hr