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I appeared for an interview in Aug 2024.
Design a layered architecture for saving user data to db with appropriate annotations.
Create a data access layer (DAO) to interact with the database using annotations like @Repository
Implement a service layer to handle business logic with annotations like @Service
Use @Entity annotation on model classes to map them to database tables
Add @Id annotation on primary key fields in model classes
Utilize @Transactional annotati
Using RestControllerAdvice to handle exceptions at controller level in Java
Create a class annotated with @RestControllerAdvice to handle exceptions globally
Use @ExceptionHandler annotation in the class to define methods to handle specific exceptions
Return ResponseEntity with appropriate status code and error message in the exception handling methods
SQL query to find nth highest salary using LIMIT and OFFSET.
Use ORDER BY salary DESC to sort salaries in descending order.
Use LIMIT 1 OFFSET n-1 to get the nth highest salary.
For example, SELECT salary FROM employees ORDER BY salary DESC LIMIT 1 OFFSET 2 will give the 3rd highest salary.
LinkedHashSet is the data structure to use for storing data in order of insertion and uniqueness.
LinkedHashSet maintains insertion order and ensures uniqueness of elements.
It uses a combination of LinkedList and HashSet to achieve this.
Example: LinkedHashSet
I applied via LinkedIn and was interviewed in Jun 2024. There were 5 interview rounds.
We were asked to speak on the topic"what would you do if you were invisible for a day "
Coding test consisted of two medium and string questions. It can be solved in java or python.
It depends on the specific use case and requirements of the project.
SQL is better for structured data and complex queries
NoSQL is better for unstructured data and scalability
Consider the need for ACID compliance and data consistency
Choose based on the project's requirements and scalability needs
It depends on the specific project requirements and team expertise.
Consider the project requirements - Node.js is great for real-time applications, while Java is better for large-scale enterprise applications.
Evaluate team expertise - If your team is more familiar with JavaScript, Node.js may be the better choice.
Performance - Java is generally faster and more efficient than Node.js.
Scalability - Java is known for its ...
I applied via Company Website and was interviewed in Jul 2024. There were 4 interview rounds.
Easy topic was given
2 medium level questions with some apti questions
I am a recent graduate with a degree in engineering. I have worked on projects involving renewable energy and sustainable design.
Completed a project on designing a solar-powered irrigation system for a rural community
Collaborated on a project to optimize energy efficiency in a commercial building through smart technology
Internship experience in a company developing sustainable packaging solutions
I applied via Company Website and was interviewed in Aug 2024. There was 1 interview round.
3 DSA question based on string array
Infrrd interview questions for popular designations
Experienced Senior QA professional with a strong background in software testing and quality assurance.
Over 8 years of experience in QA roles
Skilled in creating test plans, executing test cases, and identifying defects
Proficient in using testing tools such as Selenium and JIRA
Strong communication and problem-solving skills
Certified in ISTQB Foundation Level
Get interview-ready with Top Infrrd Interview Questions
I applied via LinkedIn and was interviewed in Jan 2024. There was 1 interview round.
Its an invoice processing job, they will give you some sample invoices and you have to find out which is PO, who is the sender or who is receiver, with quantity and prices as well.
I applied via Referral and was interviewed in Sep 2023. There were 3 interview rounds.
Extracting the document
I applied via Job Portal and was interviewed in Sep 2023. There was 1 interview round.
I appeared for an interview before May 2023.
I was asked to create an application that allows users to book and manage meeting rooms. The application has to be created without using any frameworks or third-party libraries.
Closures in JavaScript are functions that have access to variables from their outer scope even after the outer function has finished executing.
Closures allow functions to access variables from their parent function's scope
They are created whenever a function is defined within another function
Closures can be used to create private variables and functions
Prototypal Inheritance in JavaScript is a way of creating objects based on existing objects.
In JavaScript, each object has a prototype property which allows one object to inherit properties and methods from another object.
When a property or method is accessed on an object, JavaScript will first look for it on the object itself, then on its prototype, and so on up the prototype chain.
Prototypal Inheritance allows for co...
Angular lifecycle hooks are methods that allow you to tap into specific points in a component's lifecycle.
ngOnChanges: Called when an input property changes
ngOnInit: Called once the component is initialized
ngDoCheck: Called during every change detection run
ngAfterContentInit: Called after content (ng-content) has been projected into the component
ngAfterContentChecked: Called after every check of the projected content
ng...
I applied via Approached by Company and was interviewed in Aug 2022. There was 1 interview round.
OOPs is a programming paradigm based on the concept of objects. Abstraction is the process of hiding implementation details from the user.
OOPs stands for Object-Oriented Programming.
Abstraction is achieved through encapsulation and inheritance.
IOC container is a framework for implementing Inversion of Control.
Application context is a container for holding beans in Spring Framework.
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The duration of Infrrd interview process can vary, but typically it takes about less than 2 weeks to complete.
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