GLOBALFOUNDRIES Principal Analyst Interview Questions and Answers

Q1. Difference between Functional components and Class components in React and use case
Ans. 
Functional components are simpler and more lightweight, while class components have additional features like state and lifecycle methods.
• Functional components are just plain JavaScript functions that accept props as arguments and return React elements.

• Class components are ES6 classes that extend from React.Component and can have state and lifecycle methods.

• Functional components are easier to read, write, and test, maki...read more
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Q2. What is Redux ?
Ans. 
Redux is a predictable state container for JavaScript apps.
• Redux is commonly used with React to manage the state of an application.

• It helps in maintaining a single source of truth for the state of the application.

• Actions are dispatched to update the state in a predictable way.

• Reducers specify how the state changes in response to actions.

• Selectors can be used to efficiently extract specific pieces of state.

• Middleware ca
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Q3. Asked to develop Simple Increment/Decrement Application and develop ToDo List
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Asked to develop application based on requirements given.