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Backend fastapi questions
I applied via Company Website and was interviewed before Apr 2023. There were 3 interview rounds.
Normal dsa questions
Object-oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
Objects: Instances of classes that encapsulate data and behavior
Classes: Blueprint for creating objects with attributes and methods
Inheritance: Allows a class to inherit attributes and methods from another class
Polymorphism: Ability for objects to take on different forms or behaviors
Encapsulation: Bund...
Encapsulation is the concept of bundling data and methods that operate on the data into a single unit.
Encapsulation helps in hiding the internal state of an object and only exposing necessary functionalities.
It allows for better control over the data by preventing direct access from outside the class.
Encapsulation promotes code reusability and modularity by organizing related data and methods together.
Example: In a cla...
posted on 24 Oct 2023
I applied via Approached by Company and was interviewed before Oct 2022. There were 4 interview rounds.
Unit testing is more focused
Unit testing focuses on testing individual components or functions in isolation
It is typically automated and executed frequently during development
Examples include testing a specific function in a program or a specific module in an application
Hsd to design a simple product cart application
It was a phycometry test
I appeared for an interview before Mar 2024.
JUnit is a popular testing framework for Java that allows developers to write and run repeatable tests.
1. Import JUnit libraries: Use 'import org.junit.*;' to access JUnit classes.
2. Create a test class: Annotate the class with '@RunWith(JUnit4.class)' to indicate it's a test class.
3. Write test methods: Annotate methods with '@Test' to mark them as test cases. Example: '@Test public void testAddition() { assertEquals(...
API security involves protecting APIs from threats and vulnerabilities to ensure data integrity and confidentiality.
Use HTTPS to encrypt data in transit, preventing eavesdropping.
Implement authentication mechanisms like OAuth 2.0 for secure access.
Validate and sanitize inputs to prevent injection attacks.
Rate limiting can prevent abuse by restricting the number of requests.
Use API gateways to manage and monitor API tra
posted on 7 May 2024
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 2 interview rounds.
They will give javascript coding(based on your role)question we need to solve and submit the solution
posted on 30 Nov 2022
I applied via Naukri.com and was interviewed before Nov 2021. There was 1 interview round.
Namespace in PHP is used to avoid naming conflicts between classes, functions, and variables.
Namespace allows grouping of related classes, functions, and variables under a common name.
It helps in organizing code and makes it easier to maintain.
Namespace can be declared using the 'namespace' keyword followed by the namespace name.
Example: namespace MyNamespace;
To use a class or function from a namespace, we need to spec...
Interface defines only method signatures while abstract class can have both method signatures and implementations.
An interface can be implemented by multiple classes while an abstract class can only be extended by one class.
An abstract class can have constructors while an interface cannot.
An abstract class can have non-abstract methods while an interface can only have abstract methods.
An abstract class can have instanc...
posted on 7 Jan 2023
I applied via Indeed and was interviewed before Jan 2022. There were 4 interview rounds.
Practical module need to solve and execute the progream
Program for login page with session and palindrome program
Create a login page with HTML and CSS
Use PHP to handle form submission and validate user credentials
Create a session for the logged-in user
Design a database to store user information
Write a program to check if a given string is a palindrome
I applied via Recruitment Consulltant and was interviewed before Jul 2023. There were 4 interview rounds.
Dsa question about maps
Robotic restaurant design for automated food preparation and delivery
Implement robotic arms for cooking and food preparation
Utilize conveyor belts for transporting dishes to customers
Incorporate automated order taking and payment systems
Design a user-friendly interface for customers to place orders and customize meals
Ensure efficient cleaning and maintenance processes for the robots
Achieve fault tolerance by implementing redundancy, monitoring systems, and graceful degradation.
Implement redundancy by having backup systems in place to take over in case of failure
Monitor systems continuously to detect faults and address them proactively
Use graceful degradation to ensure that the system remains functional even if certain components fail
Design coupon system based on reqs
I applied via Referral and was interviewed in Oct 2024. There was 1 interview round.
Node.js is a runtime environment that executes JavaScript code outside of a web browser.
Node.js uses the V8 JavaScript engine from Google Chrome to execute code.
It is built on the event-driven, non-blocking I/O model, making it lightweight and efficient.
Node.js uses a single-threaded event loop to handle multiple concurrent connections.
It has a built-in module system that allows developers to easily add functionality t
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