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Indian Oil Corporation Java Developer Interview Questions and Answers
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Interview questions from similar companies
Anonymous
I applied via Recruitment Consultant and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Process related
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Collections, hashmaps, concurrency, REST APIs, postman, how to use json values, what are http entities, default GC, synchronisation keyword etc.
Interview Preparation Tips
If you apply , and get shortlisted, it would be a direct interview. No aptitute round as such.
(2 Questions)
- Q1. What is JMS?What is difference between PUT and GET
- Ans.
JMS is Java Message Service, a messaging standard that allows Java applications to communicate with each other asynchronously.
JMS provides a way for applications to send and receive messages in a loosely coupled, reliable, and asynchronous manner.
PUT and GET are HTTP methods used for RESTful web services, not JMS.
In JMS, messages are sent using the 'send' method and received using the 'receive' method.
JMS supports two ...
- Q2. How to create a springboot project
- Ans.
To create a Spring Boot project, use Spring Initializr or Spring Tool Suite.
Use Spring Initializr to generate a project with required dependencies and settings
Or use Spring Tool Suite to create a new Spring Starter Project
Configure the project settings and dependencies as per requirements
Add necessary code and run the project using the embedded server
Skills evaluated in this interview
Selected
(1 Question)
- Q1. Basic c# threading
(1 Question)
- Q1. STAR pattern related question
(1 Question)
- Q1. Project explaation
I applied via Campus Placement
Based on cs subjects, DS Algo and Aptitude
(4 Questions)
- Q1. See yourself in 5 years
- Q2. About teamwork and leadership qualities
- Q3. Strength and weaknesses
- Q4. Long term vision of your life
Interview Preparation Tips
Normal aptitude test containing behavioural, mathematical, English questions
Oopc, dbms, sql, se concepts were there with few os, dsa and got related questions
(2 Questions)
- Q1. Go through your resume and question about project backend functionality
- Q2. Code asked for backend application developed by me which was there in resume
(1 Question)
- Q1. Behavioural questions were asked
Innamuri Ahalya
I applied via Campus Placement and was interviewed in Oct 2024. There were 2 interview rounds.
Basic two coding questions will be and also apptitude questions also included.
(2 Questions)
- Q1. What is the difference between virtual function and friend function
- Q2. Explain your projects
I applied via Campus Placement and was interviewed in Aug 2021. There was 1 interview round.
Interview Questionnaire
3 Questions
- Q1. Introduce yourself
- Q2. What is normalization what are joins
- Ans.
Normalization is the process of organizing data in a database to reduce redundancy. Joins are used to combine data from multiple tables.
Normalization involves breaking down a table into smaller tables to reduce data redundancy.
Joins are used to combine data from two or more tables based on a common column.
Types of joins include inner join, left join, right join, and full outer join.
Normalization and joins are important...
- Q3. About constructors in oops
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Aug 2023. There were 3 interview rounds.
There were 20 MCQ and 2 coding questions related to dsa
We were given a topic and we're divided in team of 6 and 3 members from each team were selected for next round
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