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useState is a hook in React that allows functional components to have state.
useState is used to declare state variables in functional components.
It returns an array with two values: the current state value and a function to update it.
The initial state can be passed as an argument to useState.
Example: const [count, setCount] = useState(0);
useEffect is a hook in React that allows you to perform side effects in functional components.
It replaces componentDidMount, componentDidUpdate, and componentWillUnmount.
It takes two arguments: a function that performs the side effect and an array of dependencies.
The function is called after every render, unless the dependencies haven't changed.
Common use cases include fetching data, setting up event listeners, and upd
To find a bug in a React problem
Check the console for any error messages
Use React Developer Tools to inspect the component tree and state
Check if the props and state are being updated correctly
Check if the lifecycle methods are being called in the correct order
Check if the event handlers are bound correctly
Check if the JSX syntax is correct
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
It was a simple assignment where you needed to implement a Django app from a well laid out documentation.
Fix two swapped nodes in a Binary Search Tree to make it valid
Identify the two nodes that are swapped incorrectly
Perform an inorder traversal to find the nodes that are not in ascending order
Swap the values of the incorrectly swapped nodes to fix the BST
I applied via Approached by Company and was interviewed before May 2023. There were 2 interview rounds.
posted on 24 Feb 2025
I was interviewed in Jan 2025.
Array rotation, which is relatively straightforward.
Key JavaScript concepts.
posted on 11 Oct 2023
I applied via Naukri.com and was interviewed in Sep 2023. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Feb 2021. There were 3 interview rounds.
The number of working days and working hours for a Software Developer.
Software Developers typically work 5 days a week.
The standard working hours for Software Developers are 8 hours per day.
However, the actual number of working days and hours may vary depending on the company and project requirements.
I applied via Referral and was interviewed in Sep 2021. There were 3 interview rounds.
Solid Principles are a set of design principles for writing maintainable and scalable software.
Solid Principles consist of five principles: Single Responsibility Principle, Open/Closed Principle, Liskov Substitution Principle, Interface Segregation Principle, and Dependency Inversion Principle.
Single Responsibility Principle states that a class should have only one reason to change.
Open/Closed Principle states that sof...
Abstraction focuses on hiding implementation details, while interface defines a contract for classes to follow.
Abstraction allows us to focus on the essential features of an object, while hiding unnecessary details.
Interface defines a set of methods that a class must implement, providing a contract for how the class should behave.
Abstraction is achieved through abstract classes and interfaces in object-oriented program...
I applied via Naukri.com and was interviewed in Jan 2023. There were 2 interview rounds.
MSME stands for Micro, Small and Medium Enterprises. Investment can be obtained through various government schemes and private investors.
MSMEs are small businesses that contribute significantly to the economy
They can be classified based on their investment in plant and machinery or equipment
Government schemes like MUDRA, CGTMSE, and SIDBI provide financial assistance to MSMEs
Private investors like angel investors and v...
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Analyst
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Software Developer
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Operations Executive
6
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Senior Product Manager
5
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Senior Operations Manager
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Samunnati Financial Intermediation and Services
Karvy Financial Services
Reliance Money
Sonata Finance