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HCL Group Java Developer Interview Questions, Process, and Tips

Updated 20 Oct 2024

Top HCL Group Java Developer Interview Questions and Answers

View all 9 questions

HCL Group Java Developer Interview Experiences

4 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.

Round 1 - Technical 

(9 Questions)

  • Q1. Transactions in springboot
  • Ans. 

    Transactions in Spring Boot manage database operations as a single unit of work to ensure data integrity.

    • Spring Boot provides support for declarative transaction management using @Transactional annotation.

    • Transactions can be configured at class or method level.

    • Transactions can be rolled back in case of exceptions to maintain data consistency.

    • Example: @Transactional annotation on a service method ensures that all databa...

  • Answered by AI
  • Q2. Difference between arraylist and linked list
  • Ans. 

    ArrayList is resizable array implementation, LinkedList is doubly linked list implementation.

    • ArrayList uses dynamic array to store elements, LinkedList uses doubly linked list.

    • ArrayList is faster for accessing elements by index, LinkedList is faster for adding/removing elements.

    • Example: ArrayList arrList = new ArrayList<>(); LinkedList linkedList = new LinkedList<>();

Answered by AI
  • Q3. How REST API used
  • Ans. 

    REST API is used to communicate between client and server using HTTP methods like GET, POST, PUT, DELETE.

    • REST API allows clients to access and manipulate resources on a server using standard HTTP methods.

    • It uses URLs to identify resources and HTTP methods to perform actions on those resources.

    • Common HTTP methods used in REST API are GET (retrieve data), POST (create data), PUT (update data), DELETE (remove data).

    • REST A...

  • Answered by AI
  • Q4. Annotations in springboot
  • Ans. 

    Annotations in Spring Boot are used to provide metadata about the application and its components.

    • Annotations are used to configure Spring Boot applications, define beans, handle requests, etc.

    • Examples include @SpringBootApplication, @RestController, @Autowired, @RequestMapping, etc.

  • Answered by AI
  • Q5. Features of java 8
  • Ans. 

    Java 8 introduced several new features including lambda expressions, functional interfaces, streams, and default methods in interfaces.

    • Lambda expressions allow for more concise code and enable functional programming.

    • Functional interfaces are interfaces with a single abstract method, used for lambda expressions.

    • Streams provide a way to work with collections of objects in a functional style.

    • Default methods in interfaces ...

  • Answered by AI
  • Q6. How interface is implemented in java
  • Ans. 

    Interfaces in Java are implemented using the 'implements' keyword, allowing classes to provide specific implementations for methods defined in the interface.

    • Interfaces in Java define a contract for classes to implement, specifying method signatures without implementations.

    • A class can implement multiple interfaces by separating them with commas.

    • Classes implementing an interface must provide concrete implementations for ...

  • Answered by AI
  • Q7. How stream API works
  • Ans. 

    Stream API in Java provides a way to process collections of objects in a functional style.

    • Stream API allows for functional-style operations on collections like map, filter, reduce, etc.

    • It supports lazy evaluation, meaning operations are only performed when needed.

    • Streams can be sequential or parallel, depending on the source and operations used.

  • Answered by AI
  • Q8. Benefits of springboot over spring
  • Ans. 

    Spring Boot simplifies the setup and development of Spring applications by providing a convention-over-configuration approach.

    • Spring Boot eliminates the need for XML configuration by using annotations and sensible defaults.

    • It includes embedded servers like Tomcat, Jetty, or Undertow, making it easy to deploy standalone applications.

    • Auto-configuration feature reduces the amount of boilerplate code needed to set up a Spr...

  • Answered by AI
  • Q9. Difference between throw and throwable
  • Ans. 

    throw is a keyword used to explicitly throw an exception, while Throwable is a class that serves as the base class for all exceptions in Java.

    • throw is used to throw an exception in a method, while Throwable is the superclass of all exceptions in Java.

    • throw is followed by an instance of Throwable class or its subclasses, while Throwable is a class that provides common methods for handling exceptions.

    • Example: throw new N...

  • Answered by AI

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Try to speak about one topic of more time it will increase the time of interview.

    Skills evaluated in this interview

    Interview experience
    4
    Good
    Difficulty level
    -
    Process Duration
    -
    Result
    -
    Round 1 - HR 

    (2 Questions)

    • Q1. Good interview in java
    • Q2. Good interview in java1
    Round 2 - HR 

    (2 Questions)

    • Q1. Ctc discussion also fine
    • Q2. Ctc discussion also fine1

    Interview Preparation Tips

    Interview preparation tips for other job seekers - good company

    Java Developer Interview Questions Asked at Other Companies

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    I applied via Naukri.com and was interviewed in Feb 2022. There was 1 interview round.

    Round 1 - Technical 

    (1 Question)

    • Q1. Basic Java Question on Streams Understanding of your current project. How you projects works end to end. Spring Boot basic knowledge. You should be able explain your project and your roles and responsibili...

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Keep your resume clean with not extra ordinary statements.
    Mention only those tech stack on which you have knowledge and experience.

    I applied via Naukri.com and was interviewed in Nov 2021. There were 2 interview rounds.

    Round 1 - Assignment 

    Java MCQ questions

    Round 2 - One-on-one 

    (1 Question)

    • Q1. Knowledge on Java language

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Believe in your self . Try untill you win

    HCL Group interview questions for designations

     Senior Java Developer

     (1)

     Junior Java Developer

     (1)

     Java Full Stack Developer

     (1)

     Software Developer

     (7)

     Salesforce Developer

     (2)

     Tableau Developer

     (2)

     ETL Developer

     (2)

     Android Developer

     (1)

    Interview questions from similar companies

    I applied via Walk-in and was interviewed before Dec 2020. There were 3 interview rounds.

    Interview Questionnaire 

    3 Questions

    • Q1. Basic Programming questions.
    • Q2. Fibonacci program
    • Q3. OOPS concepts.

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Prepare basic OOPS concepts and basic programs.

    Interview Questionnaire 

    2 Questions

    • Q1. They asked me on java and I have joined as a fresher they not much questions as I got selected as fresher on oops concepts and collections
    • Q2. Please be confident while facing interview and they will check your communication skills

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

    Interview Questionnaire 

    4 Questions

    • Q1. Lifecycle methods of Angular
    • Ans. 

      Angular has several lifecycle methods that are called at different stages of a component's life.

      • ngOnInit() - called after the component is initialized

      • ngOnChanges() - called when the component's input properties change

      • ngDoCheck() - called during every change detection cycle

      • ngAfterViewInit() - called after the component's view has been initialized

      • ngOnDestroy() - called just before the component is destroyed

    • Answered by AI
    • Q2. What are pipes in angular?
    • Ans. 

      Pipes are a feature in Angular that allow for data transformation before displaying it in the view.

      • Pipes are used to format data in the view

      • They can be used to filter, sort, and transform data

      • Examples include the date pipe, currency pipe, and uppercase pipe

    • Answered by AI
    • Q3. How to do global error handling in angular?
    • Ans. 

      Global error handling in Angular can be done using ErrorHandler class.

      • Create a class that implements the ErrorHandler interface

      • Override the handleError() method to handle errors globally

      • Provide the ErrorHandler class in the providers array of AppModule

      • Use the error handling service to log errors or display error messages

    • Answered by AI
    • Q4. What are custom directives? What are their types? How to create with general example?
    • Ans. 

      Custom directives are a way to extend HTML with new attributes and functionality.

      • Types of custom directives are attribute, element, and class directives.

      • Attribute directives modify the behavior of existing HTML elements.

      • Element directives create new HTML elements.

      • Class directives modify the behavior of existing HTML elements based on their class.

      • To create a custom directive, use the directive() method of the AngularJS ...

    • Answered by AI

    Interview Preparation Tips

    Interview preparation tips for other job seekers - 1. Be confident if you know the answers and frank if you don't.
    2. Try to get your basics and core concepts to be clear clear.

    Skills evaluated in this interview

    I was interviewed in Mar 2021.

    Interview Questionnaire 

    1 Question

    • Q1. .net core , mvc basics and some scripting language

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Stick to basics , know about your current project . If interviewer asks you if you have to ask anything , do ask . For my case I asked for his advice where I need to improve. He answered genuinely and even came to know about my other technical skills .

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

    Interview Questionnaire 

    4 Questions

    • Q1. Oops
    • Q2. WebApi
    • Q3. C#
    • Q4. WCF

    Interview Preparation Tips

    Interview preparation tips for other job seekers - Nice

    Interview Questionnaire 

    1 Question

    • Q1. Time management

    HCL Group Interview FAQs

    How many rounds are there in HCL Group Java Developer interview?
    HCL Group interview process usually has 1-2 rounds. The most common rounds in the HCL Group interview process are Technical, HR and Assignment.
    What are the top questions asked in HCL Group Java Developer interview?

    Some of the top questions asked at the HCL Group Java Developer interview -

    1. How interface is implemented in j...read more
    2. Difference between arraylist and linked l...read more
    3. Difference between throw and throwa...read more

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    HCL Group Java Developer Interview Process

    based on 2 interviews

    Interview experience

    4
      
    Good
    View more
    HCL Group Java Developer Salary
    based on 125 salaries
    ₹2.5 L/yr - ₹10 L/yr
    5% more than the average Java Developer Salary in India
    View more details

    HCL Group Java Developer Reviews and Ratings

    based on 6 reviews

    4.7/5

    Rating in categories

    4.7

    Skill development

    4.7

    Work-life balance

    4.7

    Salary

    4.8

    Job security

    4.7

    Company culture

    4.6

    Promotions

    4.7

    Work satisfaction

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