Ellicium Solutions Senior Software Engineer Interview Questions, Process, and Tips

No negative marking in aptitude test

Group discussion topics were abstract

Q1. Questions about project and cloud technologies
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Q1. General questions like strengths ad weaknesses
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Q1. Array related problem
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Q1. C# oops related deep question
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Q1. Project Design related questions
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Q1. SQL Linq mvc net core related questions
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Medium leetcode problem on array and linked list. And some theoretical questions

Q1. Core java , collections, object oriented principles . Some small coding questions based on usage of overriding and overloading
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Q1. Multi treading and 1 problem solving question.
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Q1. Discussion with ED : expectations and managerial questions
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Q1. Typical HR questions
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Competitive Programming

Q1. Java Basics, and related framework basics in depth
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Q1. Design Patterns and Design Principles
Ans. 
Design patterns and principles are essential for creating maintainable and scalable software.
• Design patterns are reusable solutions to common software problems.

• Design principles are guidelines for creating software that is easy to maintain and extend.

• Examples of design patterns include Singleton, Factory, and Observer.

• Examples of design principles include SOLID, DRY, and KISS.
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Q1. How you make yourself up to date with latest technologies
Ans. 
I stay up to date with the latest technologies by attending conferences, reading tech blogs, and participating in online forums.
• Attending conferences and tech events

• Reading tech blogs and articles

• Participating in online forums and communities

• Taking online courses and tutorials

• Experimenting with new technologies in personal projects
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Q1. Pagination in SQL
Ans. 
Pagination in SQL allows for displaying a subset of query results at a time.
• Use LIMIT and OFFSET clauses in SQL queries to implement pagination.

• LIMIT specifies the maximum number of rows to return.

• OFFSET specifies the number of rows to skip before starting to return rows.
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Q2. OOPS concepts.. SOILD design principles
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Q3. Thread vs task in multiprocessing.. explain with examples
Ans. 
Threads and tasks are both used in multiprocessing, but have different characteristics and use cases.
• Threads are lightweight processes within a single process, sharing memory space. They are managed by the operating system.

• Tasks are units of work that can be executed asynchronously. They are typically managed by a task scheduler.

• Threads are suitable for parallel processing and improving performance, while tasks are use...read more
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Q4. ViewBag vs Tempdata in MVC
Ans. 
ViewBag is used to pass data from controller to view, while TempData is used to pass data between controller actions.
• ViewBag is a dynamic property that allows you to pass data from controller to view

• TempData is a dictionary object that allows you to pass data between controller actions

• ViewBag is not type-safe and requires typecasting, while TempData is type-safe

• ViewBag data is lost if redirection occurs, while TempData
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Q5. Abstract vs Interface
Ans. 
Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
• Abstract classes can have constructors, fields, and non-abstract methods.

• Interfaces can only have abstract methods and constants.

• A class can implement multiple interfaces but can only inherit from one abstract class.
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Q1. Arraylist find duplicate
Ans. 
Find duplicates in an ArrayList of strings.
• Iterate through the ArrayList and use a HashSet to keep track of seen elements.

• If an element is already in the HashSet, it is a duplicate.

• Store the duplicates in a separate ArrayList or print them directly.
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Q1. Java Spring Boot SQL
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Q1. Java Spring Boot AWS SQL Jenkins Kafka Git
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Q1. Why Morningstar, and what is your background
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Q1. Java Spring Boot AWS SQL Jenkins Kafka Git
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Q1. Why Morningstar, and what is your background
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