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G R Infraprojects Java Developer Interview Questions and Answers

Updated 7 Jul 2024

G R Infraprojects Java Developer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-

Skills evaluated in this interview

Interview questions from similar companies

I applied via Naukri.com and was interviewed before Jul 2020. There were 5 interview rounds.

Interview Questionnaire 

6 Questions

  • Q1. How to create connection pool using?
  • Ans. 

    Connection pool can be created using libraries like Apache DBCP or HikariCP.

    • Choose a connection pool library based on your requirements.

    • Configure the pool size, maximum connections, and other settings.

    • Create a data source object and set the connection pool properties.

    • Use the data source object to get connections from the pool.

    • Close the connections after use to return them to the pool.

  • Answered by AI
  • Q2. OOPS Concepts of java and how we have implemented in the respective projects?
  • Ans. 

    OOPS concepts are fundamental to Java programming. They are used in various projects to achieve code reusability and maintainability.

    • Encapsulation: Used to hide implementation details and protect data integrity.

    • Inheritance: Used to create a new class from an existing class, inheriting its properties and methods.

    • Polymorphism: Used to perform a single action in different ways, such as method overloading and overriding.

    • Ab...

  • Answered by AI
  • Q3. How spring framework has been implemented in your project ?
  • Ans. 

    Spring framework was used extensively in the project for dependency injection and MVC architecture.

    • Used Spring Boot for easy setup and configuration

    • Implemented Spring Security for authentication and authorization

    • Utilized Spring Data JPA for database operations

    • Used Spring MVC for handling HTTP requests and responses

    • Implemented Spring AOP for logging and exception handling

  • Answered by AI
  • Q4. How map tables in the database with using hibernate orm?
  • Ans. 

    Hibernate ORM maps tables in database using annotations or XML files.

    • Use @Entity annotation to map a class to a table

    • Use @Table annotation to specify the table name

    • Use @Column annotation to map a field to a column

    • Use @Id annotation to specify the primary key

    • Use @GeneratedValue annotation to specify the generation strategy for primary key

    • Use XML files for mapping if annotations are not preferred

  • Answered by AI
  • Q5. What are sql joins and what are different kinds of joins?
  • Ans. 

    SQL joins are used to combine data from two or more tables based on a related column.

    • Inner join returns only the matching rows from both tables

    • Left join returns all rows from the left table and matching rows from the right table

    • Right join returns all rows from the right table and matching rows from the left table

    • Full outer join returns all rows from both tables

    • Cross join returns the Cartesian product of both tables

  • Answered by AI
  • Q6. What collections to be used in which scenario?

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare the projects you have worked on and core java.Spring framework or any other JEE framework you have implemented/used.

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-

Interview Questionnaire 

2 Questions

  • Q1. Working purpos
  • Q2. How to E. T. S work
  • Ans. 

    ETS (Educational Testing Service) is a non-profit organization that develops and administers standardized tests.

    • ETS develops and administers tests like the GRE, TOEFL, and Praxis exams.

    • The organization also offers research and assessment services for educational institutions.

    • ETS uses computer-based testing and scoring for many of its exams.

    • The organization has faced criticism for its role in the standardized testing in

  • Answered by AI

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

Interview Questionnaire 

1 Question

  • Q1. Question are asked majorly on SQL language

Interview Preparation Tips

Interview preparation tips for other job seekers - I have been selected as Axiom developer, and question are asked majorly about sql languages. Which is basic need for Axiom.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Jan 2024. There was 1 interview round.

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed in Mar 2024. There were 2 interview rounds.

Interview Preparation Tips

Interview preparation tips for other job seekers - Just prepare for basic coding questions.
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G R Infraprojects Interview FAQs

How many rounds are there in G R Infraprojects Java Developer interview?
G R Infraprojects interview process usually has 1 rounds. The most common rounds in the G R Infraprojects interview process are HR.

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