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Blue Yonder React Js Frontend Developer Interview Questions and Answers

Updated 5 Mar 2025

Blue Yonder React Js Frontend Developer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I was interviewed in Sep 2024.

Round 1 - Technical 

(1 Question)

  • Q1. 2 simple dsa questions and asked about javascript and react questions
Round 2 - Technical 

(1 Question)

  • Q1. Asked react advance concepts and one machiene coding round

Interview Preparation Tips

Interview preparation tips for other job seekers - I thought it was a front end interview but after completing the 2nd round they told me they are looking for a candidate who having knowledge of back end as well

Interview questions from similar companies

I was interviewed before Dec 2020.

Round 1 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was a technical round. The interviewer asked me some programming based questions and some questions on database management systems.

  • Q1. 

    Sum of Maximum and Minimum Elements Problem Statement

    Given an array ARR of size N, your objective is to determine the sum of the largest and smallest elements within the array.

    Follow Up:

    Can you achie...

  • Ans. 

    Find the sum of the largest and smallest elements in an array with the least number of comparisons.

    • Iterate through the array to find the maximum and minimum elements.

    • Keep track of the maximum and minimum elements as you iterate.

    • After iterating, sum up the maximum and minimum elements.

    • To achieve the task with the least number of comparisons, compare elements in pairs.

  • Answered by AI
  • Q2. 

    Binary Tree Construction from Parent Array

    Construct a binary tree from a given array called parent where the parent-child relationship is determined by (PARENT[i], i), indicating that the parent of node ...

  • Ans. 

    Construct a binary tree from a given parent array and perform level-order traversal.

    • Iterate through the parent array to create the binary tree using a queue data structure.

    • Keep track of the parent-child relationships and construct the tree accordingly.

    • Perform level-order traversal to print the nodes in the correct order.

  • Answered by AI
  • Q3. Can a unique key be a primary key?
  • Ans. 

    Yes, a unique key can also be a primary key.

    • A primary key must be unique, but a unique key does not necessarily have to be the primary key.

    • A table can have multiple unique keys, but only one primary key.

    • Example: In a table of employees, the employee ID can be a unique key and also the primary key.

  • Answered by AI
  • Q4. Is it better to use a normalized form for database design, or is it more efficient to store data in a single table or two tables?
  • Ans. 

    Normalized form is better for database design for data integrity and flexibility.

    • Normalized form reduces data redundancy and improves data integrity.

    • Normalized form allows for easier data updates and maintenance.

    • Denormalized form may be more efficient for read-heavy applications with complex queries.

    • Consider denormalization for performance optimization after thorough analysis.

    • Example: Normalized form for a customer and...

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 minutes
Round difficulty - Medium

The interviewer had good work experience. She was polite and calm. After brief introduction she straight jumped into my current projects and she covered my entire CV.

Round 3 - Video Call 

(4 Questions)

Round duration - 45 minutes
Round difficulty - Easy

This was a technical round involving questions on OOPS concepts and puzzles.

  • Q1. What is the total number of squares on a chessboard?
  • Ans. 

    There are 204 squares on a chessboard.

    • The chessboard has 64 squares in total.

    • Each square can be divided into smaller squares, such as 1x1, 2x2, 3x3, etc.

    • The total number of squares can be calculated by adding the squares of all sizes together.

  • Answered by AI
  • Q2. What is C++?
  • Ans. 

    C++ is a high-level programming language known for its efficiency, flexibility, and performance.

    • C++ is an object-oriented language with features like classes, inheritance, and polymorphism.

    • It allows low-level memory manipulation through pointers.

    • C++ is used in developing system software, game engines, and high-performance applications.

  • Answered by AI
  • Q3. What is the difference between deep copy and shallow copy?
  • Ans. 

    Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new copy of an object with references to nested objects.

    • Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

    • Shallow copy creates a new object but only copies references to nested objects, so changes in nested objects will reflect in both the origina...

  • Answered by AI
  • Q4. What are template classes? Can you write a program for the assignment operator '=' for a template class such that it behaves differently for 'int' and 'char *'?
  • Ans. 

    Template classes are classes that can work with any data type. Assignment operator can be overloaded to behave differently for different data types.

    • Template classes allow for writing generic classes that can work with any data type.

    • Overloading the assignment operator allows for custom behavior based on the data type.

    • Example: template <class T> class MyClass { T data; public: MyClass& operator=(const T& ot...

  • Answered by AI
Round 4 - HR 

Round duration - 30 minutes
Round difficulty - Easy

This was a 30 minute HR round. The interviewer asked me a number of questions to know more about me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASAP Labs interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

I applied via Walk-in and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Coding Test 

Be good on basics of coding

Round 2 - One-on-one 

(1 Question)

  • Q1. Some sql queries and code piece related to substring

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident, be good in basics of coding
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. All about react

I applied via Naukri.com and was interviewed in Aug 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Coding Test 

MCQs and coding problems
duration - 1Hr 30min

Round 3 - One-on-one 

(4 Questions)

  • Q1. Which 2 methods must an object implement in order to be used as a key in hasmap and why
  • Ans. 

    The object must implement the hashCode() and equals() methods to be used as a key in a hashmap.

    • hashCode() method is used to generate a unique hash code for the object.

    • equals() method is used to compare two objects for equality.

    • Both methods are necessary for proper functioning of hashmap operations like put() and get().

  • Answered by AI
  • Q2. Is it preferable to use stringBuffer with its synchronized methods or stringBuilder when implementing toString() method? why?
  • Ans. 

    Use stringBuilder for toString() method as it is faster and not thread-safe.

    • stringBuilder is faster than stringBuffer as it is not thread-safe

    • toString() method is used for converting an object to a string

    • If thread-safety is required, use stringBuffer instead

    • Example: StringBuilder sb = new StringBuilder(); sb.append("Hello"); sb.append("World"); return sb.toString();

  • Answered by AI
  • Q3. What are 2 checklists to be executed for overriding object.equals(object args) for a class with only one instance variable
  • Q4. Is it good idea to wrap java.io.FileInputStream and java.io.FileOutputStream in buffered writers and readers and why?
  • Ans. 

    Yes, it is a good idea to wrap FileInputStream and FileOutputStream in buffered writers and readers.

    • Buffered streams improve performance by reducing the number of I/O operations

    • Buffered streams also provide additional functionality like readLine() and newLine()

    • Buffered streams can be chained together for even better performance

    • Example: BufferedReader br = new BufferedReader(new FileReader(file));

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Coupa Software Inc Senior Software Developer interview:
  • Data Structures
  • Algorithms
Interview preparation tips for other job seekers - must have thorough knowledge and internal working of data structures and algorithms.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
6-8 weeks
Result
Selected Selected

I applied via Job Fair and was interviewed before Mar 2022. There were 11 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

Screening of profile based on prior experience

Round 3 - Coding Test 

Develop the process for cyberdefense

Round 4 - Group Discussion 

Group discussion with Manager and VP

Round 5 - Case Study 

Explain the profile and develop the cases that you have proposed for clearing this interview

Round 6 - Assignment 

Discussion on assignments that has been solved till now

Round 7 - HR 

(1 Question)

  • Q1. Discussion on salary and family background
Round 8 - One-on-one 

(4 Questions)

  • Q1. Managerial round to know how a canal did are handles or manages team
  • Q2. Discussion about your next steps to grow in IT carrier
  • Q3. Discussion about how do you grow your carrier in building this society
  • Q4. How much salary do you expect from this company
Round 9 - Technical 

(1 Question)

  • Q1. Technical knowledge on the profile that was assigned by HR
Round 10 - Technical 

(1 Question)

  • Q1. Technical HR to handle the candidate knowledge and provide necessary growth to candidate based on the profile on knowledge the candidate carries
Round 11 - One-on-one 

(1 Question)

  • Q1. Salary and Final discussion with HR and Manager.

Interview Preparation Tips

Interview preparation tips for other job seekers - SAP is good company . Please never leave this company before knowing your profile and work that you are assigned to.

I applied via LinkedIn and was interviewed in Aug 2022. There were 4 interview rounds.

Round 1 - Technical 

(4 Questions)

  • Q1. Explain how CLR works
  • Ans. 

    CLR is the runtime environment for .NET applications that manages memory, security, and execution of code.

    • CLR stands for Common Language Runtime

    • It compiles code into an intermediate language (IL) that can run on any platform with CLR installed

    • CLR manages memory through garbage collection

    • It provides security through code access security (CAS)

    • CLR also includes just-in-time (JIT) compilation for improved performance

  • Answered by AI
  • Q2. Explain SOLID principle
  • Ans. 

    SOLID is a set of principles for object-oriented programming that aims to make software more maintainable, scalable, and robust.

    • S - Single Responsibility Principle: A class should have only one reason to change.

    • O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

    • L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.

    • I - Interface Segreg...

  • Answered by AI
  • Q3. Explain design pattern
  • Ans. 

    Design pattern is a reusable solution to a commonly occurring problem in software design.

    • Design patterns provide a common language for developers to communicate solutions.

    • They help in creating flexible, maintainable, and scalable software.

    • Examples include Singleton, Factory, Observer, and MVC pattern.

    • Design patterns are categorized into three types: Creational, Structural, and Behavioral.

  • Answered by AI
  • Q4. Write a program for palindrome
  • Ans. 

    Program to check if a given string is a palindrome

    • Convert the string to lowercase to ignore case sensitivity

    • Remove all non-alphanumeric characters from the string

    • Reverse the string and compare it with the original string

    • If they are the same, then the string is a palindrome

  • Answered by AI
Round 2 - Technical 

(4 Questions)

  • Q1. Function overloading vs overriding
  • Ans. 

    Function overloading is having multiple functions with the same name but different parameters. Function overriding is having a function in a subclass with the same name and parameters as a function in the superclass.

    • Function overloading is used to provide different ways to call a function with different parameters.

    • Function overriding is used to provide a specific implementation of a function in a subclass that is diffe...

  • Answered by AI
  • Q2. Difference between ref and out
  • Ans. 

    Ref and out are both used to pass arguments by reference in C#. Ref is bidirectional while out is unidirectional.

    • Ref and out are used to pass arguments by reference instead of by value

    • Ref is used for both input and output parameters while out is only used for output parameters

    • Ref requires the variable to be initialized before passing while out does not

    • Example: void MyMethod(ref int x) { x = x + 1; }

    • Example: void MyMeth

  • Answered by AI
  • Q3. Explain jagged array in C#
  • Ans. 

    Jagged array is an array of arrays where each array can have different lengths.

    • Each array can have different number of elements

    • Can be used to represent tables with varying number of columns

    • Example: string[][] jaggedArray = new string[3][];

  • Answered by AI
  • Q4. How does IIS work internally
  • Ans. 

    IIS is a web server that handles HTTP requests and responses.

    • IIS stands for Internet Information Services.

    • It is a component of Windows Server.

    • It listens for incoming HTTP requests on a specified port.

    • It processes the request and sends back a response.

    • It can host multiple websites on a single server.

    • It supports various protocols like HTTP, HTTPS, FTP, SMTP, etc.

    • It can be configured using the IIS Manager tool.

    • It can also

  • Answered by AI
Round 3 - Behavioral 

(2 Questions)

  • Q1. Why do you want to join Oracle ?
  • Q2. What is your greatest weakness ?
Round 4 - HR 

(1 Question)

  • Q1. Compensation discussion.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well on C#, OOPS, SQL, basic programs.

Skills evaluated in this interview

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Company Website and was interviewed in Oct 2023. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. 2 tech rounds 1 tech plus managerial Then final call with HR

Interview Preparation Tips

Topics to prepare for Oracle Senior Software Developer interview:
  • Python
  • Linux Internals
  • Behavioural Skills
Interview preparation tips for other job seekers - It was for Linux kernel patch validation
Questions were asked about python automation and Linux services, threads, file handling, RPM etc.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
More than 8 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Mar 2022. There were 6 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Technical Interview based on you experience.
  • Q2. Logical questions related to the real world problem solving
Round 3 - Technical 

(2 Questions)

  • Q1. Pure technical on working technologies
  • Q2. Basic to in depth technical questions
Round 4 - Behavioral 

(2 Questions)

  • Q1. Your responsibilities in the project
  • Q2. Achievements in your work
Round 5 - Behavioral 

(2 Questions)

  • Q1. Technical questions and achievements
  • Q2. Strengths, weaknesses and project structure
Round 6 - HR 

(2 Questions)

  • Q1. Salary discussion and position information
  • Q2. Salary negotiations and information on position

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared to wait for offer at least 2-3 months. Then only choose this company to get the job. They take lot of time to release the offer. For me it took 90 days to release the offer.

I was interviewed before Dec 2020.

Round 1 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was a 60 minute technical round involving questions based on data structures, OOPS concepts, DBMS and projects that I had mentioned in my resume.

  • Q1. 

    Nth Fibonacci Number Problem Statement

    Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

    Input:

    ...
  • Ans. 

    Calculate the Nth Fibonacci number efficiently using recursion or dynamic programming.

    • Implement a recursive function to calculate the Nth Fibonacci number.

    • Use memoization to store previously calculated Fibonacci numbers for efficiency.

    • Consider using dynamic programming to optimize the solution.

    • Handle edge cases such as N = 1 or N = 2 separately.

    • Ensure the solution works efficiently for large values of N (up to 10000).

  • Answered by AI
  • Q2. Can you provide a program demonstrating operator overloading in OOP?
  • Ans. 

    Operator overloading in OOP allows custom behavior for operators like +, -, *, etc.

    • Operator overloading is a feature in OOP that allows defining custom behavior for operators

    • Example: Overloading the + operator to concatenate strings or add two numbers

    • Example: Overloading the * operator to perform matrix multiplication

  • Answered by AI
  • Q3. What is function overloading?
  • Ans. 

    Function overloading is when multiple functions have the same name but different parameters or return types.

    • Allows multiple functions with the same name but different parameters or return types

    • Helps improve code readability and maintainability

    • Example: int add(int a, int b) and float add(float a, float b)

  • Answered by AI
  • Q4. What are the differences between C and C++?
  • Ans. 

    C is a procedural programming language while C++ is a multi-paradigm programming language with object-oriented features.

    • C is a procedural programming language while C++ supports both procedural and object-oriented programming.

    • C does not support classes and objects while C++ does.

    • C does not have built-in support for exception handling while C++ does.

    • C does not have namespaces while C++ does.

    • C does not have function over

  • Answered by AI
Round 2 - HR 

(1 Question)

Round duration - 45 minutes
Round difficulty - Easy

HR round that lasted for 45 minutes. Did brainstorming on puzzles and HR asked questions to know more about me.
Tips : During HR, think before you speak, they can catch any word that you speak. Prepare well for aptitude, as they shortlist less people after the test. Ask good questions during the end of the interviews. It might impress them. So prepare for it before going for the interview. Lastly, don’t be nervous, HRs are only trying to make you nervous during the interview as a part of the stress test.

  • Q1. How can you measure 45 minutes using two identical wires?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASAP Labs interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

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.

Application resume tips for other job seekers

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.

Final outcome of the interviewSelected

Skills evaluated in this interview

Blue Yonder Interview FAQs

How many rounds are there in Blue Yonder React Js Frontend Developer interview?
Blue Yonder interview process usually has 2 rounds. The most common rounds in the Blue Yonder interview process are Technical.
What are the top questions asked in Blue Yonder React Js Frontend Developer interview?

Some of the top questions asked at the Blue Yonder React Js Frontend Developer interview -

  1. 2 simple dsa questions and asked about javascript and react questi...read more
  2. Asked react advance concepts and one machiene coding ro...read more

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Blue Yonder React Js Frontend Developer Interview Process

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