EPAM Systems DOT NET Developer Interview Questions and Answers

Q1. Interviewer was rude
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Q2. Oops c# basics sql azure
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Q1. What is work of team lead? how do you handle workload of yours and the junior assigned to you? how do u handle conflicts?
Ans. 
Team lead is responsible for managing the workload of the team, including assigning tasks, providing guidance, and resolving conflicts.
• Assign tasks to team members based on their skills and workload capacity

• Provide guidance and support to junior team members to help them complete their tasks successfully

• Monitor progress of tasks and ensure deadlines are met

• Resolve conflicts within the team by listening to all parties i...read more
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Q2. Other deep technical questions
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Q1. Degine. Net net
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Q2. Basic mvc question
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Q1. Dependency injection
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Q1. What is Dependency Injection?
Ans. 
Dependency Injection is a design pattern in which components are given their dependencies rather than creating them internally.
• Allows for easier testing by providing mock dependencies

• Promotes loose coupling between components

• Improves code reusability and maintainability

• Examples: Constructor injection, Setter injection, Interface injection
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Q2. How to handle exception in java
Ans. 
In Java, exceptions can be handled using try-catch blocks to catch and handle specific exceptions.
• Use try-catch blocks to catch exceptions and handle them gracefully

• Use multiple catch blocks to handle different types of exceptions

• Use finally block to execute code regardless of whether an exception is thrown or not

• Throw custom exceptions using throw keyword
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Q1. In Java8, different between flatmap and map
Ans. 
map transforms each element in a stream, while flatMap transforms each element into multiple elements
• map applies a function to each element in a stream and returns a new stream of the results

• flatMap applies a function that returns a stream for each element in the original stream, then flattens the streams into a single stream

• Example: map - stream.map(x -> x * x), flatMap - stream.flatMap(str -> Arrays.stream(str.split(
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Q2. How to handle the ConcureentModificationException
Ans. 
ConcurrentModificationException occurs when a collection is modified while iterating over it.
• Use Iterator to iterate over the collection instead of foreach loop.

• If modification is necessary, use Iterator's remove() method instead of collection's remove() method.

• Consider using synchronized collections or ConcurrentHashMap to avoid ConcurrentModificationException.
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It was an online assessment containing 3 DSA questions

Q1. Medium level array questions
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Q2. Medium level DP questions
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Q1. General behavioural question about
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Q1. Core Java Questions
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Q2. Spring Boot Questions
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Q1. HighLevelDesign Questions
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Q2. Basic Docker questions
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Q1. Oops concept related work
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Q2. Technology used in prj
Ans. 
Various technologies used in the project include Java, Spring Boot, Angular, MySQL, and Docker.
• Java

• Spring Boot

• Angular

• MySQL

• Docker
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Q1. Ticketing system design
Ans. 
Ticketing system design involves creating a platform for users to submit, track, and resolve issues or requests.
• Design a user-friendly interface for submitting tickets

• Implement a system for assigning tickets to appropriate teams or individuals

• Include features for tracking ticket status and communication with users

• Consider scalability and performance of the system

• Integrate with other tools or systems for seamless workfl
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Q2. Aws ec2 and jenkins
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