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Newgen Software Technologies
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React lifecycle, Fragment vs React.Fragment, React.PureComponent
React lifecycle consists of mounting, updating, and unmounting phases
Fragment is a shorthand for React.Fragment, used to group multiple elements
React.PureComponent is a class component that implements shouldComponentUpdate method for performance optimization
JavaScript hoisting and differences between let, var and const.
Hoisting is a JavaScript mechanism where variables and function declarations are moved to the top of their scope.
Var declarations are hoisted to the top of their scope, while let and const declarations are not.
Var can be redeclared and reassigned, let can be reassigned but not redeclared, and const cannot be reassigned or redeclared.
Using const is recommend...
Prevent rerendering of a child component in React
Use shouldComponentUpdate() lifecycle method
Use React.memo() to memoize functional components
Use PureComponent instead of Component
Pass props as a callback function to avoid unnecessary re-renders
Use React.PureComponent for class components
Use React.memo() for functional components
Normal logical, verbal, and quantitative ability questions.
Developed a mobile app for tracking daily water intake
Researched existing water tracking apps for inspiration
Designed user interface for easy input of water consumption
Implemented backend database to store user data
Tested app with beta users for feedback and improvements
Newgen Software Technologies interview questions for popular designations
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Xml file will be validated as parsed,spix and content checker,checktex and stlyeview
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Context in React is a way to pass data through the component tree without having to pass props down manually at every level.
Context provides a way to share values like themes, locale preferences, etc. across the component tree.
It helps in avoiding prop drilling, where props are passed down multiple levels of components.
Context consists of two parts: Provider and Consumer. Provider allows components to subscribe to cont...
Redux is a predictable state container for JavaScript apps, commonly used with React for managing application state.
Redux is a state management library for JavaScript applications.
It helps in managing the state of the application in a predictable way.
Redux stores the entire state of the application in a single immutable state tree.
Actions are dispatched to update the state, and reducers specify how the state changes in...
Remove duplicates from an array of strings
Create a new set to store unique values
Iterate through the array and add each element to the set
Convert the set back to an array to remove duplicates
I applied via Naukri.com
Find the second smallest element in an array of strings.
Convert the strings to integers for comparison.
Sort the array in ascending order.
Return the second element in the sorted array.
Currently working on a web application testing project for a financial services company.
Testing various functionalities of the web application such as account management, transactions, and security features
Creating and executing test cases to ensure the application meets requirements and is bug-free
Collaborating with developers and business analysts to resolve issues and improve the application's quality
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The duration of Newgen Software Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.
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