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I applied via Referral and was interviewed in Jul 2024. There were 2 interview rounds.
It was about DS Algo and Java garbage collection,multithreading
Rate limiter is a system that controls the rate of traffic sent or received by a network interface.
Implement a token bucket algorithm to track and limit the rate of requests
Use a sliding window algorithm to track the number of requests within a specific time frame
Consider using a distributed rate limiter for scalability and fault tolerance
I applied via LinkedIn and was interviewed before Jun 2022. There were 4 interview rounds.
Top trending discussions
I was interviewed before Mar 2023.
Was a tough oneto crack
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There were 3 interview rounds.
Find the length of the longest consecutive elements sequence in an array.
Sort the array to ensure consecutive elements are adjacent
Iterate through the array and keep track of the current consecutive sequence length
Update the longest consecutive sequence length as you iterate
Executor Service is a framework provided by Java for managing and executing asynchronous tasks.
Executor Service allows you to easily create and manage threads for executing tasks.
It provides a way to control the number of threads used for executing tasks, which can help prevent resource exhaustion.
You can submit tasks to an Executor Service using methods like execute() or submit().
Executor Service can be used to execut...
Calculate the number of subsets of a given set
The number of subsets of a set with n elements is 2^n
Include the empty set and the set itself in the count
For example, a set with 3 elements will have 2^3 = 8 subsets
Remove the kth node from the end of a linked list.
Use two pointers, one to traverse the list and another to keep track of the kth node from the end.
Once the first pointer reaches the end, the second pointer will be at the kth node from the end.
Adjust the pointers to remove the kth node.
Whatsapp low level design involves messaging, encryption, media sharing, and user authentication.
Use end-to-end encryption to secure messages
Implement message queues for real-time message delivery
Allow media sharing through file transfer protocols
Use OAuth for user authentication and authorization
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
Find the 2nd most repetitive character in a string using streams.
Convert the string to a character array
Use Java streams to group the characters by count
Sort the map by values to find the 2nd most repetitive character
posted on 12 Feb 2024
Take Home assingment, 4hours. build a application
I applied via LinkedIn and was interviewed in Sep 2023. There were 2 interview rounds.
TODO task tracking application to manage tasks and deadlines
Create a user-friendly interface for adding, editing, and deleting tasks
Implement a feature to set deadlines and reminders for tasks
Include categories or tags to organize tasks efficiently
Allow users to mark tasks as completed and track progress
Provide a search functionality to easily find specific tasks
I applied via Approached by Company and was interviewed in Apr 2024. There were 2 interview rounds.
Design splitwise - Low level machine coding round
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