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Blue Yonder Full Stack Developer Interview Questions and Answers

Updated 10 Jan 2025

Interview questions from similar companies

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
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Apr 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Properly align and format text in your resume. A recruiter will have to spend more time reading poorly aligned text, leading to high chances of rejection.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Just go through basic core java questions, spring boot questions.
  • Q2. 1. Oops concept, Exception Handling, Singleton class
Round 3 - One-on-one 

(1 Question)

  • Q1. 1. Find number of times a string occurs in second string. Practice more on string coding interview questions. 2. Sql:find employee who has second highest salary.
  • Ans. 

    Count occurrences of a string in another string and find second highest salary in SQL.

    • Use a loop to iterate through the second string and check for occurrences of the first string.

    • Use a counter variable to keep track of the number of occurrences found.

    • In SQL, use a subquery to find the employee with the second highest salary by ordering the salaries in descending order and selecting the second row.

  • Answered by AI
Round 4 - Behavioral 

(1 Question)

  • Q1. Discussed about roles and responsibilities. Greatest challenge that has faced in job role. Puzzle:u have 3l 5l container,how do u measure 4l using only two given containers

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Jun 2023. There were 5 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Basic questions on oops, exception handling, spring boot annotations, collections
Round 3 - One-on-one 

(1 Question)

  • Q1. Coding questions on Java 8 features, streams, lambdas as well
Round 4 - One-on-one 

(1 Question)

  • Q1. This is was kind of managerial round. Goes with questions like what is your learning, why job switch, difficult part of your job and some puzzles as well
Round 5 - HR 

(1 Question)

  • Q1. Questions like self intro, fam background, why manhattan, what do you know about manhattan, package, strengths and weakness

Interview Preparation Tips

Interview preparation tips for other job seekers - For the 3rd round, they call you to office for a F2F interview. After that HR round takes place and they just say that your interview did not yield a positive response. When you ask for feedback, they simply laugh at your face. This is the worst that can be done to an applicant.
P.S- I was a referred candidate
Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Oct 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic DSA questions like binary search, pattern
  • Q2. Basic SQL query questions

Interview Preparation Tips

Interview preparation tips for other job seekers - One of the worst company I have given interview,
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.

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
Moderate
Process Duration
6-8 weeks
Result
No response

I was interviewed in Jun 2024.

Round 1 - Coding Test 

Java Coding Questions based on ArrayList, HashMap, etc.

Round 2 - Coding Test 

Count distinct elements in given String.

Round 3 - Behavioral 

(2 Questions)

  • Q1. Current Project architecture.
  • Ans. 

    Our current project architecture follows a microservices design pattern with separate services for different functionalities.

    • Microservices architecture with separate services for different functionalities

    • Use of RESTful APIs for communication between services

    • Containerization using Docker for easy deployment and scalability

    • Implementation of service discovery and load balancing with tools like Kubernetes

    • Use of message bro

  • Answered by AI
  • Q2. My role in project
  • Ans. 

    My role in the project was to develop and maintain Java applications to meet the project requirements.

    • Developing Java applications based on project requirements

    • Maintaining and updating existing Java code

    • Collaborating with team members to ensure project success

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. All about react
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Feb 2023. There were 2 interview rounds.

Round 1 - Aptitude Test 

Round 1 was of aptitude test with two sections overall it was easy but very less time.

Round 2 - One-on-one 

(1 Question)

  • Q1. Core java and advance java , project what u have done and puzzles

Interview Preparation Tips

Topics to prepare for Dassault Systemes Java Developer interview:
  • Java
Interview preparation tips for other job seekers - for interview round prepare puzzles very well.

Blue Yonder Interview FAQs

How many rounds are there in Blue Yonder Full Stack Developer interview?
Blue Yonder interview process usually has 1 rounds. The most common rounds in the Blue Yonder interview process are Coding Test.
How to prepare for Blue Yonder Full Stack Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Blue Yonder. The most common topics and skills that interviewers at Blue Yonder expect are Azure, Coding, GIT, Information Security and Javascript.

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Blue Yonder Full Stack Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
Join Blue Yonder Innovative supply chain solutions.
Blue Yonder Full Stack Developer Salary
based on 5 salaries
₹11.3 L/yr - ₹17 L/yr
64% more than the average Full Stack Developer Salary in India
View more details
Full Stack Developer (Java, React.js)

Hyderabad / Secunderabad

4-7 Yrs

Not Disclosed

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