Blue Yonder Node JS Developer Interview Questions and Answers

Reverse string code and reverse array code

Q1. Basic of java, pillar of oops, collection, exception handling etc.
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Q2. What isinheritance
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Q3. What is encapsulation
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Q4. What is polymorphism
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Q5. What is abstraction
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Q1. I am interested in working with your company's products.
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Q2. What has been your experience learning the Java programming language and its application in development?
Ans. 
I have extensive experience with Java, focusing on its versatility in web and mobile applications, as well as backend development.
• Developed a web application using Spring Boot, enhancing user experience with RESTful APIs.

• Utilized JavaFX for creating a desktop application, showcasing my skills in GUI development.

• Implemented multithreading in a Java application to improve performance and responsiveness.

• Worked with Java C...read more
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Q3. What is your experience in learning data engineering?
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I have gained experience in data engineering through various projects and self-study, focusing on data pipelines and ETL processes.
• Completed a course on Apache Spark, learning to process large datasets efficiently.

• Built a data pipeline using Apache Kafka to stream real-time data for analytics.

• Worked on a project involving data warehousing with Amazon Redshift, optimizing query performance.

• Utilized Python and SQL for da...read more
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Q1. Easy Questions - Oops Concept . real life examples Abstract Class Inheritance difference Final vs immutable Spring Concepts - dependency injection,about @autowired
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Q1. English Test - Speaking Fluent Eglish
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Q1. Core java basics
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Q2. Collections framework
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Q1. Dsa question, I don’t remember
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Q2. Check if the sentence is palindrome or not
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Q1. Discussion was on Binary tree and tree traversal. Asked me to write binary tree complete program to insert amd traversal of binary tree with few changes on how to insert.
Ans. 
A complete Java program for inserting and traversing a binary tree with customizable insertion logic.
• Binary Tree Node Class: Create a class 'Node' with properties for value, left, and right children.

• Insertion Method: Implement a method to insert nodes based on specific criteria (e.g., value comparison).

• Traversal Methods: Include methods for in-order, pre-order, and post-order traversal.

• Example Insertion: If inserting 5...read more
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Q2. In depth discussion on my experience my projects.
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Round 1 was of aptitude test with two sections overall it was easy but very less time.

Q1. Core java and advance java , project what u have done and puzzles
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Java Coding Questions based on ArrayList, HashMap, etc.

Count distinct elements in given String.

Q1. Current Project architecture.
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Q2. My role in project
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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
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