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Episource Project Associate Interview Questions and Answers

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Interview questions from similar companies

I applied via Naukri.com and was interviewed before Mar 2020. There were 4 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Difference between Hashtable and hashmap?
  • Ans. 

    Hashtable is synchronized while hashmap is not.

    • Hashtable is thread-safe while hashmap is not.

    • Hashtable does not allow null keys or values while hashmap allows one null key and multiple null values.

    • Hashtable is slower than hashmap due to synchronization.

    • Hashtable is a legacy class while hashmap is a newer implementation.

  • Answered by AI
  • Q2. Difference between hashmap and concurrent hashmap?
  • Ans. 

    Hashmap is not thread-safe while Concurrent Hashmap is thread-safe.

    • Hashmap is not suitable for multi-threaded environments as it can lead to race conditions and data inconsistencies.

    • Concurrent Hashmap allows multiple threads to access and modify the map concurrently without any data inconsistencies.

    • Concurrent Hashmap uses a technique called lock striping to achieve thread-safety.

    • Concurrent Hashmap is slower than Hashma...

  • Answered by AI
  • Q3. Jdbc step
  • Q4. Spring ioc

Interview Preparation Tips

Interview preparation tips for other job seekers - Interview was average they asked questions from core java spring hibernate... And so on..

Skills evaluated in this interview

I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. OOPs concept

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be yourself.

I applied via Naukri.com and was interviewed before Apr 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Basic python list tuples set dictionary related questions
  • Q2. Decorators generator and django rest framework

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on logical and basic python fundamental

I applied via Campus Placement and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Dsa java oops dbms networking

Interview Preparation Tips

Interview preparation tips for other job seekers - Good interview experience.
You have to be very strong in DSA.

Interview Questionnaire 

1 Question

  • Q1. Basic javascript questions , clouser, promise

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepared well on basic of javascript

I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Basic questions on javascript, angular, html,css
  • Q2. Questions on localstorage , tokens, security, interceptors

Interview Preparation Tips

Interview preparation tips for other job seekers - be confident and u will rock

I applied via LinkedIn and was interviewed before Jun 2020. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics Of JS

I applied via Naukri.com and was interviewed in Jan 2021. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. More questions on which topic
  • Q2. Focus on c#, MVC and SQL

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare well technically and scenario based questions also prepared.

I applied via Recruitment Consultant and was interviewed in Oct 2020. There were 6 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Oops concepts with examples, SQL query to find second highest salary, diff between fail fast and fail safe, how did u implement security in your app, etc

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic Java concepts

I applied via Naukri.com and was interviewed before May 2018. There were 5 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. Telephonic technical
  • Q2. Core Java related exception handling ,design pattern ,oops solid design principle, rest API, different annotations of spring and jpa
  • Q3. Same questions on telephonic round but detailed elaborate and given simple problem statement we had to justify that why it's time n space complexity valid. Rest API questions hibernate orm use
  • Q4. Manager round just to check whether you have actually worked on project or not stress testing performance questions scenario questions

Interview Preparation Tips

General Tips: Quite easy just go with preparation
Skills: Core Java sevlet JSP hibernate spring rest API, Communication, Body Language, Problem Solving, Analytical Skills, Decision Making Skills
Duration: 1-4 weeks

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