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I applied via Naukri.com and was interviewed in Jul 2023. There were 3 interview rounds.
Virtual DOM is a lightweight copy of the actual DOM that React uses to improve performance by minimizing direct manipulation of the actual DOM.
Virtual DOM is a concept in React where a lightweight copy of the actual DOM is created and updated in memory.
When changes are made to the virtual DOM, React compares it with the actual DOM and only updates the necessary parts, reducing the number of direct manipulations to the ...
useEffect is a hook in React that allows performing side effects in function components.
useEffect is used to perform side effects in function components.
It runs after every render by default.
It can be used to fetch data, subscribe to events, or update the DOM.
It can also clean up effects from previous renders.
It takes two arguments: a function and an optional array of dependencies.
Create a stopwatch in React using state and lifecycle methods.
Use state to store the current time and whether the stopwatch is running.
Use lifecycle methods like componentDidMount and componentWillUnmount to start and stop the stopwatch.
Use setInterval to update the time every second.
Display the time in a user-friendly format like HH:MM:SS.
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I applied via Campus Placement and was interviewed before Jul 2021. There were 4 interview rounds.
Aptitude test on CS subjects like C programming, DBMS, CN, and OS.
There were 2 input-output based questions of easy to moderate level
Every candidate was given an individual topic and was asked to speak on it
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
I applied via Company Website and was interviewed before Jul 2021. There were 3 interview rounds.
Aptitude, reasoning, English, cloud sections
2 questions in which , one has to complete within an 50 minutes
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
Simple aptitude test
I applied via Company Website and was interviewed before Jul 2021. There were 2 interview rounds.
Attended the codevita competition in final year of college.
I applied via Campus Placement and was interviewed before Aug 2021. There were 2 interview rounds.
It was a basic aptitude test.
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