Class Components vs Functional Components in React

Class components and functional components are two distinct ways of creating components in React.

• State: Class components can have state, which allows for handling component data and re-rendering when the state changes. Functional components do not have state, but can use the useState hook to add local state.
• Lifecycle Methods: Class components have lifecycle methods such as componentDidMount, componentDidUpdate, etc. Functional components can use the useEffect hook to achieve similar functionality.
• Syntax: Class components are defined using ES6 classes, while functional components are simple JavaScript functions.
• Readability: Functional components are generally considered more readable and concise compared to class components.
• Usage of 'this': In class components, 'this' is used to refer to the component instance. Functional components do not use 'this' keyword.

Both class components and functional components have their own use cases and benefits, depending on the requirements of the application.