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posted on 21 Jan 2025
I was interviewed before Jan 2024.
posted on 29 Sep 2022
They will give you a leet code test.
API endpoint to update employee salary
Create a PUT request endpoint with employee ID and new salary as parameters
Verify user authentication and authorization before updating the salary
Update the salary in the database and return success message
posted on 8 Sep 2023
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There were 5 interview rounds.
Mixed conceptual questions from java8, Spring Boot and SQL and microservices
Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.
Use lazy initialization to create the instance only when needed.
Use synchronized keyword to make the getInstance() method thread-safe.
Consider using double-checked locking for better performance.
Use enum to implement singleton pattern as it is inherently thread-safe.
Linked list is a data structure where each element points to the next element in the sequence.
Nodes contain data and a reference to the next node
Insertion and deletion can be done efficiently in a linked list
Traversal starts from the head node and follows the next pointers
Caching in Hibernate improves performance by storing frequently accessed data in memory.
Hibernate supports first-level cache at session level
Second-level cache can be configured at session factory level
Caching strategies include read-only, read-write, and transactional
Cache providers like Ehcache, Infinispan, and Hazelcast can be used
posted on 9 Oct 2023
I applied via LinkedIn and was interviewed in Apr 2023. There were 3 interview rounds.
There are multiple types of authentication that can be implemented, including password-based, token-based, biometric, and multi-factor authentication.
Password-based authentication: Users authenticate themselves using a password.
Token-based authentication: Users authenticate themselves using a token, such as a one-time password or a security key.
Biometric authentication: Users authenticate themselves using their unique ...
Develop a Spring Boot API for a given table
Create a Spring Boot project with necessary dependencies
Define entity class representing the table
Create a repository interface extending JpaRepository
Implement service layer with business logic
Create REST controller with CRUD operations
posted on 12 Oct 2023
I was interviewed in Apr 2023.
A set of logical as well as technical mcqs were asked
posted on 26 Oct 2023
I applied via Approached by Company and was interviewed in Sep 2023. There were 4 interview rounds.
Implement a code scenario using design patterns
Identify the problem statement and requirements
Choose appropriate design patterns like Singleton, Factory, Observer, etc.
Implement the code following the selected design patterns
Test the code for functionality and efficiency
Design a database scheme for Amazon website
Create tables for users, products, orders, reviews, and payments
Use primary and foreign keys to establish relationships between tables
Include attributes such as user_id, product_id, order_id, review_id, and payment_id
Implement indexes for faster data retrieval
Consider denormalization for performance optimization
posted on 18 Aug 2023
posted on 11 Nov 2024
I applied via LinkedIn and was interviewed in May 2024. There were 5 interview rounds.
2 Coding questions and 15 MCQs
Difficulty - Intermediate
posted on 26 Oct 2023
I applied via Naukri.com and was interviewed in Sep 2023. There were 4 interview rounds.
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