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I applied via Approached by Company and was interviewed before Jul 2021. There was 1 interview round.
To write a REST API from scratch, I would follow these steps:
Define the resources and endpoints
Choose a programming language and framework
Implement CRUD operations for each resource
Use HTTP methods and status codes correctly
Add authentication and authorization
Test the API using tools like Postman
Document the API using tools like Swagger
I applied via Naukri.com and was interviewed in Apr 2021. There were 3 interview rounds.
posted on 9 Jan 2022
I applied via Naukri.com and was interviewed in Jul 2021. There was 1 interview round.
I applied via Referral and was interviewed in Oct 2023. There were 2 interview rounds.
Pagination in SQL allows for displaying a subset of query results at a time.
Use LIMIT and OFFSET clauses in SQL queries to implement pagination.
LIMIT specifies the maximum number of rows to return.
OFFSET specifies the number of rows to skip before starting to return rows.
Threads and tasks are both used in multiprocessing, but have different characteristics and use cases.
Threads are lightweight processes within a single process, sharing memory space. They are managed by the operating system.
Tasks are units of work that can be executed asynchronously. They are typically managed by a task scheduler.
Threads are suitable for parallel processing and improving performance, while tasks are use...
ViewBag is used to pass data from controller to view, while TempData is used to pass data between controller actions.
ViewBag is a dynamic property that allows you to pass data from controller to view
TempData is a dictionary object that allows you to pass data between controller actions
ViewBag is not type-safe and requires typecasting, while TempData is type-safe
ViewBag data is lost if redirection occurs, while TempData
Abstract classes can have both abstract and non-abstract methods, while interfaces can only have abstract methods.
Abstract classes can have constructors, fields, and non-abstract methods.
Interfaces can only have abstract methods and constants.
A class can implement multiple interfaces but can only inherit from one abstract class.
I applied via Campus Placement and was interviewed before Dec 2022. There were 3 interview rounds.
Basic concepts of programming
I applied via Campus Placement and was interviewed in Apr 2024. There were 2 interview rounds.
Reverse a given string
Use a loop to iterate through the characters of the string
Swap the characters from start to end to reverse the string
Return the reversed string
Some common Springboot annotations used in projects are @RestController, @Autowired, @RequestMapping, @Service, @Component, @Repository.
@RestController - Used to define RESTful web services.
@Autowired - Used for automatic dependency injection.
@RequestMapping - Used to map web requests to specific handler methods.
@Service - Used to indicate that a class is a service.
@Component - Used to indicate that a class is a Spring...
I applied via Naukri.com and was interviewed before May 2023. There was 1 interview round.
Objects in Java can be created in multiple ways, including using new keyword, cloning, deserialization, and reflection.
Using the 'new' keyword
Cloning an existing object
Deserialization from a file or network
Using reflection to create objects dynamically
Interface is a contract that defines the methods a class must implement, while abstract class can have both implemented and abstract methods.
Interface methods are public and abstract by default, while abstract class can have abstract and non-abstract methods.
A class can implement multiple interfaces but can only inherit from one abstract class.
Interfaces are used to achieve multiple inheritance in Java, while abstract ...
Serialization is the process of converting an object into a format that can be easily stored or transmitted.
Serialization is used to convert complex data structures or objects into a stream of bytes.
Serialized data can be stored in files, databases, or sent over a network.
Common serialization formats include JSON, XML, and Protocol Buffers.
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