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I applied via Company Website and was interviewed before Feb 2023. There was 1 interview round.
The Bull Whip Effect refers to the phenomenon of demand variability amplifying as it moves up the supply chain.
It is a supply chain management concept.
Demand fluctuations at the end of the supply chain are magnified as they move upstream.
Causes include lack of communication, forecasting errors, and order batching.
Results in inventory inefficiencies, excess costs, and poor customer service.
Example: A retailer experience...
I applied via LinkedIn and was interviewed in Jul 2022. There were 6 interview rounds.
I was interviewed before Nov 2023.
A For loop is used to iterate over a collection of items and perform a set of actions for each item.
Initialize a counter variable before the loop
Set the condition for the loop to continue based on the counter variable and the length of the array
Increment the counter variable after each iteration
Access each element in the array using the counter variable
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
I applied via Approached by Company and was interviewed before Mar 2023. There was 1 interview round.
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...
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...
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.
Blue Yonder interview questions for popular designations
I applied via Campus Placement and was interviewed before Mar 2023. There were 4 interview rounds.
1.Co ducted through hirepro quiet difficult
Get interview-ready with Top Blue Yonder Interview Questions
I applied via Naukri.com and was interviewed before Oct 2022. There were 3 interview rounds.
Print duplicate values from a String using do-while loop
Create a HashSet to store unique values
Use a do-while loop to iterate through the String
Check if the HashSet already contains the current character, if yes, print it as a duplicate
To reverse a string 'Ecommerce', you can iterate through the characters in the string and build a new string in reverse order.
Iterate through the characters of the string from end to start
Append each character to a new string to build the reversed string
Return the reversed string as the result
Print duplicate values from a string as an array of strings
Iterate through each character in the string
Use a hashmap to store the frequency of each character
Print characters with frequency greater than 1 as duplicates
I applied via Company Website and was interviewed in Jan 2022. There were 4 interview rounds.
I applied via Referral and was interviewed in Dec 2021. There was 1 interview round.
To make a Java class immutable, use final keyword and initialize all fields in constructor.
Use final keyword for class and all fields
Initialize all fields in constructor
Do not provide setter methods
Make sure to return a new instance in any method that modifies the state
Check if two strings are anagrams of each other
Create a character count array for both strings
Compare the character count arrays
If they are equal, the strings are anagrams
REST endpoints for a ticket booking system
GET /events - get list of available events
GET /events/{id} - get details of a specific event
POST /events/{id}/tickets - book tickets for an event
GET /bookings - get list of all bookings
GET /bookings/{id} - get details of a specific booking
PUT /bookings/{id} - update a booking
DELETE /bookings/{id} - cancel a booking
Pessimistic locking is when a resource is locked for a long time, while optimistic locking is when a resource is locked only when it is being modified.
Pessimistic locking involves locking a resource for a long time to prevent other users from accessing it.
Optimistic locking involves locking a resource only when it is being modified, allowing other users to access it in the meantime.
Pessimistic locking is useful when co...
I was interviewed before Feb 2023.
Print tables from 1 to 20 in one sequential order.
Use a loop to iterate from 1 to 20
Inside the loop, multiply the current number with each number from 1 to 10
Print the result in a formatted table
To find an element within a frame using Selenium, switch to the frame and then locate the element using appropriate locators.
Use the 'switchTo().frame()' method to switch to the desired frame
Locate the element within the frame using locators like ID, class name, XPath, etc.
Perform actions on the element as required
I applied via Recruitment Consulltant and was interviewed before Mar 2022. There were 4 interview rounds.
The duration of Blue Yonder interview process can vary, but typically it takes about less than 2 weeks to complete.
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