HCLTech Software Engineer Interview Questions, Process, and Tips for Freshers

Q1. 1) OOPS in java, and told to explain abstraction, encapsulation, inheritance with practical code 2) Exception handling(globally), Authentication and authorization 3) SOLID principles and factory design pat...read more
Ans. 
Interview questions for Software Engineer position covering OOPS concepts, exception handling, SOLID principles, Java 8 features, and Streams.
• Abstraction in OOPS: Hiding implementation details. Example: Abstract class Shape with method draw().

• Encapsulation in OOPS: Bundling data and methods that operate on the data. Example: Class Employee with private fields and public getters/setters.

• Inheritance in OOPS: Reusing code...read more
Answered by AI
Add your answer
Q2. 1) Advantage of springboot over spring 2) Tell me all the anotations you know in spring 3) What are CRUD operations, write controller layer and use validating annotations like @NotNull, @valid etc. how to ...read more
Ans. 
The interview questions cover various topics related to Spring framework, REST vs SOAP, JPA repository, Feign client, circuit breaker, and Spring Security.
• Spring Boot provides a simpler and faster way to set up and run Spring applications compared to traditional Spring.

• Common annotations in Spring include @Controller, @Service, @Repository, @Autowired, @Component, @RequestMapping, @GetMapping, @PostMapping, @PutMapping...read more
Answered by AI
Add your answer
Q3. 1) ACID properties 2) DBMS commands 3) inner queries 4) Joins 5) S3 bucket congif and how to handle file and upload and retrieve in s3 6) Ci/Cd basic flow and docker explaination
Add your answer

50 aptitude questions

2 codes were given and it was easy

Q1. Asked about python
Add your answer
Q2. Asked about projects which I have done
Add your answer
Q3. Lastly some HR questions
Add your answer

Q1. Move All 0's to end of the array
Ans. 
Shift all 0's in an array to the end while maintaining the order of non-zero elements.
• Iterate through the array and maintain a count of non-zero elements.

• Use a second pointer to place non-zero elements in their new positions.

• Fill the remaining positions in the array with 0's after all non-zero elements are placed.

• Example: For input [0, 1, 0, 3, 12], output should be [1, 3, 12, 0, 0].
Answered by AI
Add your answer
Q2. Explain about redux,context api etc
Ans. 
Redux and Context API are state management tools in React for managing application state efficiently.
• Redux is a predictable state container for JavaScript apps, allowing for centralized state management.

• Context API is a built-in React feature that allows for sharing state across components without prop drilling.

• Redux uses actions and reducers to manage state changes, while Context API uses Provider and Consumer compone...read more
Answered by AI
Add your answer

Q1. Basic java questions
Add your answer

Q1. General questions
Add your answer