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Node.js uses event-driven architecture where events trigger callbacks to handle asynchronous operations.
Node.js uses event loop to handle asynchronous operations efficiently
Events are emitted by various objects in Node.js like HTTP servers, file system, etc.
Callbacks are registered to handle events and execute code when events occur
I applied via LinkedIn and was interviewed before Mar 2023. There were 3 interview rounds.
Coding test from Codility. Custom JSON Parser
Creating a Jenkins Pipeline involves defining stages, steps, and triggers to automate the build process.
Define stages to break down the build process into smaller tasks
Specify steps within each stage to execute specific actions like compiling code, running tests, and deploying
Set up triggers to automatically start the pipeline based on events like code commits or scheduled times
Use Jenkinsfile to define the pipeline as
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I was interviewed before Mar 2016.
posted on 19 Apr 2020
I applied via Company Website and was interviewed in Oct 2019. There were 4 interview rounds.
I applied via Campus Placement and was interviewed in Dec 2020. There were 3 interview rounds.
Static is a keyword in Java used to create class-level variables and methods.
Static variables are shared among all instances of a class
Static methods can be called without creating an instance of the class
Static blocks are used to initialize static variables
Static import is used to import static members of a class
The program replaces consecutive same characters in a string with a single '$'.
Iterate through each character in the string
Compare the current character with the next character
If they are the same, replace the next character with '$'
Continue until the end of the string
Function overloading is having multiple functions with the same name but different parameters. Function overriding is having a derived class implement a method with the same name and parameters as a method in its base class.
Function overloading is used to provide different ways of calling a function with different parameters.
Function overriding is used to provide a specific implementation of a method in a derived class...
posted on 10 Jul 2024
LRU cache design involves maintaining a cache with limited capacity and removing the least recently used item when the cache is full.
Use a doubly linked list to maintain the order of items based on their usage.
Implement a hash map for fast access to items in the cache.
When a new item is accessed, move it to the front of the linked list to mark it as the most recently used.
When the cache is full, remove the item at the ...
posted on 16 Oct 2024
I applied via LinkedIn and was interviewed in Apr 2024. There was 1 interview round.
1)Buy and sell stock
2)2 sum
3) system design
4) Elastic search
5) deployment
I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 3 interview rounds.
Basic data structure related coding questions like creating a linked list and adding items to it median.
Max heap implementation.
Concurrency related questions.
I applied via Naukri.com and was interviewed in Apr 2022. There were 2 interview rounds.
based on 4 interviews
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