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HCLTech Java Developer Interview Questions, Process, and Tips

Updated 1 Mar 2025

Top HCLTech Java Developer Interview Questions and Answers

View all 54 questions

HCLTech Java Developer Interview Experiences

42 interviews found

Interview experience
1
Bad
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I was interviewed in Feb 2025.

Round 1 - Coding Test 

Coding was conducted using Java.

Round 2 - One-on-one 

(1 Question)

  • Q1. The management is really bad... I had multiple call with the HR they jever mentioned about industrial experience excluding internship. I cleared the first round and in the second round they said they need ...

Interview Preparation Tips

Interview preparation tips for other job seekers - Inquire multiple times regarding the job. Given that management is quite inadequate, they may not provide any information. Instead of wasting your time, seek clarity on the type of candidates they are interested in.
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 Dec 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What are virtual threads and its uses
  • Q2. Differenciate deep cloning vs shallow cloning with a code

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Interview experience
3
Average
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I was interviewed in Oct 2024.

Round 1 - Technical 

(5 Questions)

  • Q1. Spring boot architechture
  • Q2. Streams coding questions
  • Q3. Second highest salary sql
  • Ans. 

    To find the second highest salary in SQL, use the 'SELECT MAX(salary) FROM employees WHERE salary < (SELECT MAX(salary) FROM employees);'

    • Use the MAX() function to find the highest salary in the table

    • Use a subquery to find the maximum salary that is less than the highest salary

    • Combine both queries to get the second highest salary

  • Answered by AI
  • Q4. Solid priciples
  • Q5. Acid properties
  • Ans. 

    ACID properties are a set of properties that guarantee database transactions are processed reliably.

    • ACID stands for Atomicity, Consistency, Isolation, Durability

    • Atomicity ensures that all operations in a transaction are completed successfully or none at all

    • Consistency ensures that the database remains in a consistent state before and after the transaction

    • Isolation ensures that transactions are executed independently of...

  • Answered by AI

Java Developer Interview Questions & Answers

user image Subhashree Barik

posted on 19 Dec 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Explain me about oops concept
  • Q2. What is functional interface

HCLTech interview questions for designations

 Senior Java Developer

 (7)

 Junior Java Developer

 (4)

 Java Software Developer

 (3)

 Core Java Developer

 (2)

 Fullstack Java Developer

 (2)

 Java Full Stack Developer

 (1)

 Java Spring Boot Developer

 (1)

 Senior Java Consultant

 (1)

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
6-8 weeks
Result
Not Selected

I applied via Walk-in and was interviewed in Aug 2024. There were 3 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Java related question,Memory management,Exception handling,collection framework,pillars of oops,spring boot basic questions.
Round 2 - One-on-one 

(2 Questions)

  • Q1. About Project and their Implementation, How you handle exception in application.
  • Q2. Advance Java question, Rest API .
Round 3 - HR 

(1 Question)

  • Q1. Basic question about Work Experience of previous organization, salary,Relocation etc.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepared well ,brush up your skill set before going for interview.

Get interview-ready with Top HCLTech Interview Questions

Interview experience
2
Poor
Difficulty level
Hard
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 

(4 Questions)

  • Q1. Explain diamond problem in java
  • Ans. 

    Diamond problem occurs in multiple inheritance when a class inherits from two classes that have a common ancestor.

    • Occurs in Java when a class inherits from two interfaces that have a common method signature

    • Results in ambiguity as to which method implementation should be used

    • Can be resolved using default methods in interfaces introduced in Java 8

  • Answered by AI
  • Q2. Explain features of java 8
  • Ans. 

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

    • Lambda expressions allow for more concise code and easier parallel programming.

    • Streams provide a new way to work with collections and perform operations in a functional style.

    • Functional interfaces enable the use of lambda expressions.

    • Default methods allow interfaces to have method implementations.

    • Opt...

  • Answered by AI
  • Q3. What is functional interface
  • Ans. 

    Functional interface is an interface with only one abstract method, used for lambda expressions.

    • Functional interface can have multiple default or static methods, but only one abstract method.

    • It is used for lambda expressions and functional programming in Java.

    • Examples of functional interfaces in Java are Runnable, Callable, and Comparator.

  • Answered by AI
  • Q4. Write a java program using java 8 , Print the name and count the each word in the name
  • Ans. 

    Java program using Java 8 to print name and count each word in the name

    • Use Java 8 streams to split the name into words

    • Use Collectors.groupingBy to count the occurrences of each word

    • Print the name and the count of each word

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Study on java 8, currently it is trending.

Skills evaluated in this interview

Java Developer Jobs at HCLTech

View all
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(3 Questions)

  • Q1. Collection Heirachy
  • Q2. Remove duplicate from a list of employee object based on empID using streams
  • Ans. 

    Remove duplicates from a list of employee objects based on empID using streams

    • Use Java streams to group the employee objects by empID

    • Use a collector to collect the grouped objects and get the values as a list

    • Convert the list back to a stream and collect it to a new list

  • Answered by AI
  • Q3. Write code for controller, service and DAO layer for getEmployeeByID
  • Ans. 

    Code snippets for controller, service, and DAO layers to retrieve employee by ID

    • Controller layer: Create a method to handle GET request for employee by ID

    • Service layer: Implement logic to retrieve employee by ID from DAO layer

    • DAO layer: Write query to fetch employee by ID from database

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Tell me about yourself
  • Ans. 

    I am a passionate Java Developer with 5 years of experience in developing web applications and implementing software solutions.

    • 5 years of experience in Java development

    • Strong knowledge of web application development

    • Experience in implementing software solutions

    • Passionate about coding and problem-solving

  • Answered by AI
  • Q2. Work you do in your current company
  • Ans. 

    I am responsible for developing and maintaining Java applications for our company's internal systems.

    • Developing new features and functionalities for Java applications

    • Fixing bugs and issues in existing Java code

    • Collaborating with team members to design and implement solutions

    • Performing code reviews and testing

    • Optimizing application performance

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Write program to print odd and even number alternatively using 2 threads which contains odd number list and even number list
  • Ans. 

    Program to print odd and even numbers alternatively using 2 threads with separate lists

    • Create two separate lists for odd and even numbers

    • Use two threads to print numbers alternatively from each list

    • Ensure synchronization between threads to avoid race conditions

  • Answered by AI
  • Q2. Write program to sort list based on multiple conditions
  • Ans. 

    Program to sort list based on multiple conditions

    • Create a custom Comparator class to define the sorting logic

    • Implement the compare method to compare objects based on multiple conditions

    • Use Collections.sort() method to sort the list using the custom Comparator

  • Answered by AI

Skills evaluated in this interview

Java Developer Interview Questions & Answers

user image Abinash Panigrahi

posted on 4 Nov 2024

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. How to implement multithread in java
  • Ans. 

    Multithreading in Java allows multiple threads to execute concurrently, improving performance and responsiveness.

    • Create a class that extends Thread or implements Runnable interface

    • Override the run() method with the code to be executed concurrently

    • Instantiate the class and call start() method to begin execution

    • Use synchronized keyword to handle thread synchronization and prevent race conditions

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. Spring beans how works
  • Ans. 

    Spring beans are Java objects managed by the Spring IoC container. They are defined in the Spring configuration file and are instantiated, assembled, and managed by the container.

    • Spring beans are defined in the Spring configuration file using XML or annotations.

    • The Spring IoC container is responsible for instantiating, assembling, and managing the beans.

    • Beans are singleton by default, but can be configured as prototype...

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Company Website and was interviewed in Jul 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

Good konwledge of aptitude

Round 2 - Assignment 

Technical round and assignment in technical ability

Round 3 - Technical 

(2 Questions)

  • Q1. What is the javascript
  • Ans. 

    JavaScript is a programming language commonly used for creating interactive effects within web browsers.

    • JavaScript is a high-level, interpreted programming language.

    • It is used to make web pages interactive and dynamic.

    • JavaScript code can be embedded directly into HTML pages.

    • Commonly used for client-side web development.

    • Examples include form validation, interactive maps, and dynamic content updates.

  • Answered by AI
  • Q2. What is front developer j
  • Ans. 

    Front-end developers are responsible for creating the user interface and user experience of a website or application.

    • Front-end developers use languages like HTML, CSS, and JavaScript to build the visual elements of a website.

    • They work closely with designers to implement the visual aspects of a website or application.

    • Front-end developers focus on creating a responsive and user-friendly interface for users to interact wi...

  • Answered by AI
Round 4 - HR 

(2 Questions)

  • Q1. What is javascript
  • Ans. 

    JavaScript is a high-level, interpreted programming language used for creating interactive websites.

    • JavaScript is commonly used for client-side web development.

    • It can be used to create dynamic and interactive web pages.

    • JavaScript can also be used for server-side development with Node.js.

    • Examples include form validation, interactive maps, and dynamic content updates.

  • Answered by AI
  • Q2. Explain the html
  • Ans. 

    HTML is a markup language used for creating web pages.

    • HTML stands for HyperText Markup Language.

    • It uses tags to structure content on a web page.

    • Common tags include , , , <body>, <p>, <div>, <a>, .</p></li><li><p>Attributes can be added to tags to provide additional information.</p></li><li><p>HTML can be styled using CSS and made interactive with JavaScript.</p></li></ul></p></body>

  • Answered by AI

Interview Preparation Tips

Topics to prepare for HCLTech Java Developer interview:
  • Javascript

Skills evaluated in this interview

HCLTech Interview FAQs

How many rounds are there in HCLTech Java Developer interview?
HCLTech interview process usually has 1-2 rounds. The most common rounds in the HCLTech interview process are Technical, Resume Shortlist and One-on-one Round.
How to prepare for HCLTech Java Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at HCLTech. The most common topics and skills that interviewers at HCLTech expect are Java, Spring Boot, Microservices, Hibernate and Spring.
What are the top questions asked in HCLTech Java Developer interview?

Some of the top questions asked at the HCLTech Java Developer interview -

  1. 1. How to connect 2 DBs from spring boot applicati...read more
  2. What is System.out.print...read more
  3. What is difference between sleep or wait meth...read more
How long is the HCLTech Java Developer interview process?

The duration of HCLTech Java Developer interview process can vary, but typically it takes about less than 2 weeks to complete.

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HCLTech Java Developer Interview Process

based on 30 interviews

3 Interview rounds

  • Technical Round - 1
  • Technical Round - 2
  • Personal Interview1 Round
View more
Join HCLTech Find your spark and discover what drives you forward
HCLTech Java Developer Salary
based on 638 salaries
₹2 L/yr - ₹10 L/yr
6% less than the average Java Developer Salary in India
View more details

HCLTech Java Developer Reviews and Ratings

based on 73 reviews

3.7/5

Rating in categories

3.7

Skill development

3.9

Work-life balance

3.5

Salary

3.8

Job security

3.8

Company culture

3.5

Promotions

3.6

Work satisfaction

Explore 73 Reviews and Ratings
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Bangalore / Bengaluru

5-10 Yrs

Not Disclosed

Java Developer

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Pune

+1

5-9 Yrs

₹ 5-14 LPA

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