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Blue Yonder Node JS Developer Interview Questions and Answers
Blue Yonder Node JS Developer Interview Experiences
1 interview found
Sushil Kumar
Selected
I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
(3 Questions)
- Q1. Explain about Microservices Architecture
- Ans.
Microservices architecture is an architectural style that structures an application as a collection of loosely coupled services.
Each service is self-contained and can be developed, deployed, and scaled independently.
Services communicate with each other over lightweight protocols like HTTP or messaging queues.
Microservices allow for flexibility, scalability, and resilience in large and complex applications.
Examples of c...
- Q2. What is the difference between NoSQL and SQL Database?
- Ans.
NoSQL databases are non-relational databases that do not require a fixed schema, while SQL databases are relational databases that use structured query language.
NoSQL databases are schema-less, allowing for flexible data models.
SQL databases use a fixed schema with tables and rows.
NoSQL databases are horizontally scalable, making them suitable for big data applications.
SQL databases are vertically scalable, meaning the...
- Q3. What are the closures in Javascript?
- Ans.
Closures in JavaScript are functions that have access to their own scope, as well as the scope in which they were defined.
Closures allow functions to access variables from an outer function even after the outer function has finished executing.
They are created whenever a function is defined within another function.
Closures are commonly used to create private variables and functions in JavaScript.
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Skills evaluated in this interview
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Anonymous
I applied via Recruitment Consulltant and was interviewed in Dec 2021. There were 2 interview rounds.
(1 Question)
- Q1. Difference between var, let and const
- Ans.
var is function scoped, let and const are block scoped.
var can be redeclared and updated within its scope
let can be updated but not redeclared within its scope
const cannot be updated or redeclared once declared
let and const are not hoisted like var
const must be initialized during declaration
(1 Question)
- Q1. Program to check whether two strings are anagrams or not
- Ans.
Program to check whether two strings are anagrams or not
Convert both strings to lowercase
Remove all whitespaces from both strings
Sort both strings alphabetically
Compare the sorted strings, if they are equal then they are anagrams
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic DSA questions like binary search, pattern
- Q2. Basic SQL query questions
Interview Preparation Tips
The HR named Shubha A contacted me a day before interview that are you available for interview, I told yes.
After that interview has been scheduled, with interviewer soumyashree rout , I have given all the answers which she asked for and what did I get an acquisition of cheating in interview, I even showed her my surroundings that I am not cheating, and how come such dumb people are allowed to interview. Really waste of time and effort.
Please don't go for interview for this company you will find better opportunities like I did , offered a position at a product based company better than this.
Written coding test
Basic coding questions
Only c c++
Easy level
(2 Questions)
- Q1. Bit manipulation
- Q2. Rtos concepts,c coding concepts like structures,pointers
(2 Questions)
- Q1. About projects more detailly
- Q2. About memory management and layout in c
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
In first round 4 coding question like 1 dsa 2 database and one is api and question is very simple . coding round was conducted in hackerrank
(2 Questions)
- Q1. DSA QUESTION LIKE TREE AND GRAPH
- Q2. DP AND SORTING APPROACH
Again same but dsa question and oops concept in deep level
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(3 Questions)
- Q1. The interviewer is from testing panel how the testing panel can take a developer interview they don’t have any knowledge about java worst interviewer in my life they waste my 1hour. after answer all the qu...
- Q2. What is encapsulation. Protected and default difference i have to explain her with example. Collection and hashmap i explain all the things in hashmap even the implementation After that she said to write ...
- Q3. She asked me about helm chart and aws.I did answer according to it. My interview was pretty well but very next day what i got to know from HR that my basic was not clear that’s very very unprofessional beh...
Interview Preparation Tips
- Basic Java
- Coding
(2 Questions)
- Q1. About project of previous company
- Q2. Check palindrome and odd of given number
(3 Questions)
- Q1. What is inheritance?
- Ans.
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Allows a class to reuse code from another class
Creates a parent-child relationship between classes
Derived class inherits attributes and methods from base class
- Q2. What is oop principles?
- Ans.
OOP principles are the fundamental concepts of object-oriented programming that help in designing and implementing software solutions.
Encapsulation: Bundling data and methods that operate on the data into a single unit (class).
Inheritance: Allowing a class to inherit properties and behavior from another class.
Polymorphism: The ability of objects to take on multiple forms or have multiple behaviors.
Abstraction: Hiding t...
- Q3. What is polymorphism principle?
- Ans.
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types or objects.
Examples include method overloading and method overriding in object-oriented programming languages like Java.
Selected
Based on core Java, DS and spring
A paper based test and it was technical
(2 Questions)
- Q1. About the projects
- Q2. Some sql questions
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