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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
-
Round 1 - HR 

(1 Question)

  • Q1. How to declare object in js
  • Ans. 

    To declare an object in JavaScript, you can use the 'let' or 'const' keyword followed by the object name and curly braces {}.

    • Use 'let' or 'const' keyword to declare the object

    • Followed by the object name and curly braces {}

    • Example: let person = {};

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Two leet code medium level questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Behavioural interview
  • Q2. Multi tasking and team player

Interview Preparation Tips

Interview preparation tips for other job seekers - Hackathon is final round

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

Round 1 - Technical 

(2 Questions)

  • Q1. Explain Spring boot flow
  • Ans. 

    Spring Boot is a framework that simplifies the development of Java applications by providing pre-configured templates and dependencies.

    • Spring Boot uses an embedded server to run the application

    • It provides auto-configuration of dependencies

    • It uses annotations to configure the application

    • It supports various data sources and web frameworks

    • It simplifies the deployment process

  • Answered by AI
  • Q2. What is difference between error and exception?
  • Ans. 

    Errors are unrecoverable, while exceptions can be handled.

    • Errors are caused by the environment or JVM, while exceptions are caused by the application code.

    • Errors cannot be handled, while exceptions can be caught and handled using try-catch blocks.

    • Examples of errors include OutOfMemoryError and StackOverflowError, while examples of exceptions include NullPointerException and ArrayIndexOutOfBoundsException.

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Larsen & Toubro Limited Java Developer interview:
  • Core Java
  • Spring Boot
Interview preparation tips for other job seekers - Please be fully prepared and clear the basics on core java.

Skills evaluated in this interview

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
No response
Round 1 - Coding Test 

Noramal basic algorithm and ,fetch api

Round 2 - Technical 

(1 Question)

  • Q1. React alll basic question,redux,class component,functional component
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Java opps concept
  • Q2. App cycle status
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Two leet code medium level questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Behavioural interview
  • Q2. Multi tasking and team player

Interview Preparation Tips

Interview preparation tips for other job seekers - Hackathon is final round

I applied via Naukri.com and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Java 8, spring, Java opps, hibernate

Interview Preparation Tips

Interview preparation tips for other job seekers - Java Basics need to be strong
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

30 mins 20 questions

Interview Preparation Tips

Interview preparation tips for other job seekers - prepare well
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Concurrency problem
  • Ans. 

    Concurrency problem occurs when multiple threads access shared resources simultaneously, leading to unexpected behavior.

    • Use synchronization mechanisms like locks, semaphores, or monitors to control access to shared resources.

    • Avoid race conditions by ensuring that critical sections of code are executed atomically.

    • Consider using thread-safe data structures or immutable objects to minimize the risk of concurrency issues.

  • Answered by AI

Skills evaluated in this interview

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

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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G R Infraprojects Java Developer Interview Process

based on 1 interview

Interview experience

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Good
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2.0

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3.0

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5.0

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3.0

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