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Blue Yonder React Js Frontend Developer Interview Questions and Answers
Blue Yonder React Js Frontend Developer Interview Experiences
1 interview found
I was interviewed in Sep 2024.
(1 Question)
- Q1. 2 simple dsa questions and asked about javascript and react questions
(1 Question)
- Q1. Asked react advance concepts and one machiene coding round
Interview Preparation Tips
Top trending discussions
Interview questions from similar companies
I was interviewed before Dec 2020.
(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
ARRof sizeN, 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.
- Q2.
Binary Tree Construction from Parent Array
Construct a binary tree from a given array called
parentwhere 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.
- 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.
- 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...
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.
(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.
- 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.
- 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...
- 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...
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
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 Walk-in and was interviewed before Feb 2021. There were 2 interview rounds.
Be good on basics of coding
(1 Question)
- Q1. Some sql queries and code piece related to substring
Interview Preparation Tips
Senior Software Developer Interview Questions & Answers
Coupa Software Inc
Anonymous
posted on 24 Sep 2022
I applied via Naukri.com and was interviewed in Aug 2022. There were 3 interview rounds.
MCQs and coding problems
duration - 1Hr 30min
(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().
- 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();
- 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));
Interview Preparation Tips
- Data Structures
- Algorithms
Skills evaluated in this interview
Senior Software Developer Interview Questions & Answers
Dassault Systemes
Murli Rander
posted on 8 Jan 2025
(1 Question)
- Q1. All about react
Selected
I applied via Job Fair and was interviewed before Mar 2022. There were 11 interview rounds.
Screening of profile based on prior experience
Develop the process for cyberdefense
Group discussion with Manager and VP
Explain the profile and develop the cases that you have proposed for clearing this interview
Discussion on assignments that has been solved till now
(1 Question)
- Q1. Discussion on salary and family background
(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
(1 Question)
- Q1. Technical knowledge on the profile that was assigned by HR
(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
(1 Question)
- Q1. Salary and Final discussion with HR and Manager.
Interview Preparation Tips
Selected
I applied via Company Website and was interviewed in Oct 2023. There was 1 interview round.
(1 Question)
- Q1. 2 tech rounds 1 tech plus managerial Then final call with HR
Interview Preparation Tips
- Python
- Linux Internals
- Behavioural Skills
Questions were asked about python automation and Linux services, threads, file handling, RPM etc.
I applied via LinkedIn and was interviewed in Aug 2022. There were 4 interview rounds.
(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
- 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...
- 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.
- 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
(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...
- 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
- 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][];
- 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
(2 Questions)
- Q1. Why do you want to join Oracle ?
- Q2. What is your greatest weakness ?
(1 Question)
- Q1. Compensation discussion.
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed before Mar 2022. There were 6 interview rounds.
(2 Questions)
- Q1. Technical Interview based on you experience.
- Q2. Logical questions related to the real world problem solving
(2 Questions)
- Q1. Pure technical on working technologies
- Q2. Basic to in depth technical questions
(2 Questions)
- Q1. Your responsibilities in the project
- Q2. Achievements in your work
(2 Questions)
- Q1. Technical questions and achievements
- Q2. Strengths, weaknesses and project structure
(2 Questions)
- Q1. Salary discussion and position information
- Q2. Salary negotiations and information on position
Interview Preparation Tips
Interview Questionnaire
20 Questions
- Q1. He asked me my specialization?
- Q2. Why not further studies? (He had noted that I was third in my batch. He appeared impressed by that
- Q3. He asked me to tell him about my favorite project
- Q4. He then looked at my grades. He commented that my lowest grade – B- was in Digital Image Processing. I just looked at him like a doofus thinking of what to say. But he quickly added, ‘don’t worry, it happe...
- Q5. He then asked me a question that had been asked in Round 4, written test:Describe an optimal algorithm to find the second minimum number in an array of numbers. What is the exact number of comparisons requ...
- Q6. Given a polygon (could be regular, irregular, convex, concave), find out whether a particular point lies inside it or outside it
- Ans.
To determine if a point is inside a polygon, use the ray casting algorithm.
Create a line from the point to a point outside the polygon
Count the number of times the line intersects with the polygon edges
If the count is odd, the point is inside the polygon; otherwise, it is outside
- Q7. He asked me to explain Canny’s algorithm to him. (this was because my DIP project was related to this)
- Q8. Then, he gave me a practical problem to solve: Suppose you are given an image which contains some text and some photos. How do you find the location of the image?
- Q9. Which are the four storage classes in C
- Ans.
The four storage classes in C are auto, register, static, and extern.
Auto: default storage class for all local variables
Register: used to define local variables that should be stored in a register instead of RAM
Static: used to define local variables that retain their value between function calls
Extern: used to declare a global variable that is defined in another file
- Q10. Given a program: int i; int main() { int j; int *k = (int *) malloc (sizeof(int)); … } Where are each of these variables stored?
- Ans.
i is stored in global data segment, j is stored in stack, k is stored in heap.
i is a global variable and is stored in the global data segment
j is a local variable and is stored in the stack
k is a pointer variable and is stored in the stack, while the memory it points to is allocated on the heap using malloc()
- Q11. Question on polymorphisms
- Q12. He again went back to the first question he had asked me. Once again
- Q13. Then he wrote out some code and asked me how the compiler will generate code for it. I gave some answer, but he was clearly not satisfied. I thought it was all over by then. Then, he asked me a DIP quest...
- Q14. Given a set of words one after another, give me a data structure so that you’ll know whether a word has appeared already or not
- Ans.
Use a hash table to store the words and check for existence in constant time.
Create a hash table with the words as keys and a boolean value as the value.
For each new word, check if it exists in the hash table. If it does, it has appeared before. If not, add it to the hash table.
Alternatively, use a set data structure to store only the unique words and check for existence in the set.
- Q15. He asked me some questions on Interprocess Communication: What’s a semaphore? How are they used? He would often pick out words from my answers and ask me what they meant. He wanted to make sure that I rea...
- Q16. He then asked me some DB fundas. Transaction. Serializability, Consistent state, etc
- Q17. Finally, he asked me whether I had any questions
- Q18. There is a clock at the bottom of the hill and a clock at the top of the hill. The clock at the bottom of the hill works fine but the clock at the top doesn’t. How will you synchronize the two clocks. Obv...
- Q19. There was one more puzzle.. I don’t remember it. but I do remember that we started discussing ways of generating large prime numbers
- Q20. We also talked a bit about my phone browser project
Interview Preparation Tips
Duration: 15 minutes
Total Questions: 1
Round: Test
Duration: 30 minutes
Total Questions: 2
Round: Test
Duration: 30 minutes
Total Questions: 3
Round: Test
Total Questions: 4
Round: Technical Interview
Experience: 1.When I told him that I had none as I didn’t want to specialize in this stage, he was a little surprised but appeared satisfied with my reason.2.I told him that my profile clearly indicated that I’ve been trying to get into the industry via internships, industry-funded projects right from second year, second sem. I said that I was fully sure that I didn’t want to do MS anytime soon.3.I told him about the web-browser that I had developed for cell-phones. I thought that was the only project which was closest to what Adobe was working on. He appeared satisfied with my answers.4. So people, be fully prepared to explain any anomalous grades. I was prepared with the explanation of the W in the my grade-sheet but not of the B- in DIP. I know that this is really stupid considering that I was interviewing with Adobe. Don’t make this mistake.5.I screwed up, big time in this question. I had superficially discussed this question with my friend a while ago and he had outlined an algorithm which I thought that I had understood, but I hadn’t. I started off explaining it but got stuck in the middle. He sternly told me to read it up again. One solution that I could tell him, and which I had written in the test was this Use two variables – min and second min. Initialize them by comparing the first two elements of the array. This is (1) comparison. Then, go through the entire array, from index 2 to n-1 comparing each element, first with min and then with second min, updating each variable as necessary. This will involve a worst case of two comparisons for each element. Therefore, total number of comparisons = 2*(n-2) + 1 = 2*n – 3 comparisons.I’ll try to update this with a better solution, sometime soon.6.This is an easy, straight question from graphics. You shoot a ray parallel to the x-axis passing through this point. Start with odd parity. Change parity of ray each time it intersects an edge of the polygon (consider special case of when the line passes through a vertex of the polygon. Change parity only if it passes through a vertex which has one edge above it and one edge below the ray). If the parity of ray is even when it passes through the point, it is inside the polygon, else it is not.7.This is simple. Study DIP8.I gave various alternatives – from searching for RGB components, to using OCR.. he didn’t appear fully satisfied. I think he was looking for edge-detection, but that would fail, if the text contained tables, etc.
Round: Technical Interview
Experience: He was friendly at the start but this interview was my worst. He asked me my favorite subject. I said that it was Programming. (He laughed at that)
1. static, extern, register, auto2.I started off correctly, but he was able to confuse me. He brought in shared libraries, static libraries fundas into the discussion. We had a discussion for about twenty-minutes on this. Finally, he was happy with one of my answers because I had deduced which policy made sense and answered correctly. He said that out of all the people interviewed so far (I was second last), nobody had been able to answer all of these questions correctly.3.this is easy – get it from any C++ book. He tried to confuse me again, but this time I was ready and he was finally satisfied.Then he looked at my grades and said that out of all your grades, you have only two Bs and one of them is in Compilers. Why? (Damn it. three non-A grades and that’s all they ask about. What’s wrong with this world?!)Didn’t you like Compilers? “Not in particular”, I replied. “Fine. Now, I HAVE to ask you questions on compilers”, he said.4.He again went back to the first question he had asked me. Once again5.I first suggested that we capture only a small portion of the board. To locate that portion, we could search for the chalk in the prof’s hand – of course, taking care that it had the blackboard in the background (no point capturing a video of the prof scratching his chin, na?). Further, if the prof was writing only text, we could convert the video into text by OCR and then transmitting. Simple diagrams could also be reduced to a set of vector-graphics instructions (we rarely, see the prof shading stuff). I think he liked my approach, but was not completely satisfied. Anyway, we left it at that and went forward.6.I suggested various alternatives. but he kept helping me and finally, we came up with an array of pointers to 26-trees (each node of the tree has 26 children). Store every word as a path from the root to a leaf with pointers in the correct places. For example, hello would be stored as – pointer from ‘h’ index of the root array to a node which had a pointer from ‘e’ index of it’s array to a node which had a pointer from ‘l’ index of the array.. and so on. This is both time and space efficient.7.I was able to answer all his questions, but I made the mistake of telling him, when we started off that I didn’t know much about this subject as I had done it a long time ago. He was very annoyed at that, apparently because a lot of people before me had said this.8.I was able to answer all of them. I stumbled around a bit in a few questions where I was explaining correctly, but not using the keywords that he was looking for.9.I thought that I should say something to make him realize that I was not completely stupid and so asked him whether there was any logic to the order in which the short-listed candidates were called. This turned out to be a dumb move. The order was alphabetic and he sent me off with a parting shot, saying “You guys do pattern recognition and stuff and still you can’t recognize such a simple pattern” Me and my big mouth! Moral of the story: Don’t ask questions for the sake of asking.
Round: Puzzle Interview
Experience: After the first two interviews, this one was like having a warm batch after being cold and wet for days! I did well in this one.1.You have to go up the hill and come back, with horse, without horse, getting four equations to solve four unknowns – time to go uphill – with horse, without horse, time to go downhill – with horse, without horse. Then you can go up the hill and set the clock to ‘(time when you left) + (time to go uphill with horse)’2. I told him the funda of Mersenee primes (luckily remembered it) and he was decently impressed.
General Tips: Finally hired by Adobe. Special thanks to AmbitionBox team. Really amazing site for sharing experience. That’s all for the Adobe. They are focusing on your approach and your coding skills. All the best.
Skills: Algorithm, Data structure, C++, C, DIP
College Name: BIT Mesra
Skills evaluated in this interview
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