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NoBroker Backend Developer Interview Questions, Process, and Tips
Top NoBroker Backend Developer Interview Questions and Answers
- Q1. Vertical Order Traversal of a Binary Tree Given a binary tree, your task is to return the vertical order traversal of its nodes' values. For each node located at a posit ...read more
- Q2. Why is Java considered an Object Oriented Programming Language?
- Q3. What is OOPs concept. Why is java called an Object Oriented Programming Language. What benefit does java have as an OOP language?
NoBroker Backend Developer Interview Experiences
2 interviews found
I appeared for an interview in Dec 2021.
(3 Questions)
Round duration - 60 minutes
Round difficulty - Easy
This was a technical interview round with questions on DSA, OOPS and Low Level design.
- Q1.
Vertical Order Traversal of a Binary Tree
Given a binary tree, your task is to return the vertical order traversal of its nodes' values.
For each node located at a position (X, Y), its left child will be...
- Ans.
Vertical order traversal of a binary tree is required to be implemented for given input format and constraints.
Implement a function to perform vertical order traversal of a binary tree
Maintain the order of nodes based on their positions (X, Y)
Handle cases where two nodes have the same position by considering the left node first
Follow the input and output format as specified in the question
- Q2. Why is Java considered an Object Oriented Programming Language?
- Ans.
Java is considered an Object Oriented Programming Language because it supports the key principles of OOP such as encapsulation, inheritance, and polymorphism.
Java allows for the creation of classes and objects, which are the building blocks of OOP.
It supports encapsulation by allowing data hiding within classes.
Inheritance is supported in Java, allowing classes to inherit attributes and methods from other classes.
Polym...
- Q3. What are indexing and partitioning in DBMS?
- Ans.
Indexing and partitioning are techniques used in DBMS to improve performance by organizing data efficiently.
Indexing involves creating an index on a column in a database table to speed up data retrieval. It works like an index in a book, allowing the database to quickly locate the desired data.
Partitioning involves dividing a large table into smaller, more manageable parts called partitions. This can improve query perf...
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Dec 2021. There was 1 interview round.
Interview Questionnaire
5 Questions
- Q1. What is OOPs concept. Why is java called an Object Oriented Programming Language. What benefit does java have as an OOP language?
- Ans.
OOPs stands for Object Oriented Programming. Java is called an OOP language because it follows the principles of OOP.
OOPs is a programming paradigm that focuses on objects and their interactions.
Java supports the four main principles of OOP: encapsulation, inheritance, polymorphism, and abstraction.
Encapsulation allows bundling of data and methods into a single unit, providing data hiding and security.
Inheritance enabl...
- Q2. What is indexing and partioning in dbms?
- Ans.
Indexing and partitioning are techniques used in DBMS to improve performance and manage large amounts of data.
Indexing is the process of creating a data structure that allows for faster retrieval of data based on certain columns or fields.
Partitioning involves dividing a large table into smaller, more manageable parts called partitions, which can be stored on different disks or servers.
Both techniques can improve query...
- Q3. Print vertical level traversal in a binary tree.
- Ans.
Print the vertical level traversal of a binary tree.
Traverse the tree and assign horizontal distance to each node.
Store nodes in a map with their horizontal distance as key.
Print nodes in each horizontal distance in vertical order.
- Q4. Design the table diagram and the ways different tables will be linked for a movie booking website like bookmyshow.
- Ans.
Design table diagram and link tables for a movie booking website like bookmyshow.
Create tables for movies, theaters, users, bookings, payments, and reviews
Link movies and theaters through a many-to-many relationship
Link users and bookings through a one-to-many relationship
Link bookings and payments through a one-to-one relationship
Link movies and reviews through a one-to-many relationship
- Q5. Low Level Design: Design a movie site booking portal using objects and classes.
- Ans.
Design a movie booking portal using objects and classes.
Create a Movie class with attributes like title, genre, duration, etc.
Create a Theater class with attributes like name, location, capacity, etc.
Create a Show class with attributes like movie, theater, showtime, price, etc.
Create a Booking class with attributes like show, seats, user, etc.
Implement methods for booking tickets, canceling tickets, etc.
Use database to...
Interview Preparation Tips
Skills evaluated in this interview
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I applied via Campus Placement and was interviewed in May 2022. There was 1 interview round.
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I applied via Approached by Company and was interviewed before Jan 2022. There were 2 interview rounds.
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- Q1. What is your past performance
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Interview Preparation Tips
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Anonymous
posted on 11 Apr 2024
I applied via LinkedIn and was interviewed before Apr 2023. There were 2 interview rounds.
(1 Question)
- Q1. How do you design metro line for new station
- Ans.
Designing a metro line for a new station involves planning routes, considering passenger flow, and ensuring connectivity.
Conduct a feasibility study to determine the need for a new station
Consider factors such as population density, traffic patterns, and potential future growth
Plan the route to optimize connectivity with existing stations and transportation hubs
Design the station layout to accommodate passenger flow an...
(2 Questions)
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General aptitude test where each question was related to the previous question, if you answered one wrong, others would go wrong too.
(2 Questions)
- Q1. What is RERA act about?
- Ans.
RERA act is a real estate regulatory act passed by the Indian parliament in 2016.
RERA stands for Real Estate (Regulation and Development) Act.
It aims to protect the interests of homebuyers and ensure timely completion of projects.
It mandates that all real estate projects must be registered with the regulatory authority.
Developers must deposit 70% of the funds collected from buyers in a separate bank account to ensure t...
- Q2. Who are the top developers in India?
(2 Questions)
- Q1. How do you travel around?
- Q2. Why do you want to work with us?
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
30 mins for reasoning , quants
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
(2 Questions)
- Q1. About certificates in real estates
- Q2. More typical questions like tell me about yourself, why lodha, and HR things
Selected
I applied via Campus Placement
2 coding question easy to medium level
It was easy based on topic andriod vs ios
(1 Question)
- Q1. Question on resume and project
(1 Question)
- Q1. Sql related questions
NoBroker Interview FAQs
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