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I applied via Referral and was interviewed before Jul 2022. There were 3 interview rounds.
Designing high scale systems involves careful planning for scalability, reliability, and performance.
Identify the key components of the system and their interactions
Use distributed systems and microservices architecture for scalability
Implement caching mechanisms to improve performance
Utilize load balancing and horizontal scaling to handle increased traffic
Monitor system performance and implement auto-scaling mechanism
Optimise SQL queries to transmit large datasets and check for resiliency
I applied via LinkedIn and was interviewed in Nov 2023. There were 4 interview rounds.
Hackerearth Coding Test
I applied via Referral and was interviewed in Apr 2024. There were 4 interview rounds.
There was a coding question of string level was Easy to Medium and we can also expect SQL query in this
I applied via Campus Placement and was interviewed in Sep 2024. There were 2 interview rounds.
There are 3 questions. basic to medium level.
I will walk through a project code to explain its structure and functionality.
Start by explaining the overall architecture of the project
Discuss the main components/modules and their interactions
Explain any key algorithms or data structures used
Highlight any design patterns or best practices implemented
Provide examples of specific code snippets to illustrate your points
Yes
Java uses pass by value for all variables, including object references.
When an object reference is passed as an argument, a copy of the reference is passed, not the actual object.
Modifying the reference inside the method will not affect the original reference outside the method.
However, modifications to the object's state inside the method will be visible outside the method.
Singleton pattern restricts the instantiation of a class to a single object.
Singleton pattern ensures that only one instance of a class exists throughout the application.
It provides a global point of access to the instance.
Commonly used in scenarios where a single instance needs to coordinate actions across the system.
Example: Database connection manager, logger, configuration manager.
posted on 15 May 2024
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
HashMap is implemented using an array of linked lists to handle collisions.
HashMap stores key-value pairs in an array of linked lists
Hash function is used to determine the index of the array where the key-value pair will be stored
Collision handling is done by chaining, where multiple key-value pairs with the same hash value are stored in the same linked list
HashMap allows null keys and values
HashMap is not synchronized...
posted on 5 Jun 2024
I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.
2hrs aptitude test was there
2 hrs coding test was there
GD was conducted and then i passed it
posted on 14 Jun 2024
Round one consist of coding problems and there's a minimum criteria of solving 2 problems at least to clear this round
I appeared for an interview in Jan 2025.
Test was based on arrays and some dsa concepts.
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