What is the function of UI?

The user interface (UI) is the point at which human users interact with a computer, website or application. The goal of effective UI is to make the user’s experience easy and intuitive, requiring minimum effort on the user’s part to receive maximum desired outcome .

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Why do we need state management in Java?

State management is very important in application development. It centralizes all the states of various UI controls to handle data flow across the application . For example, consider you want to show a “welcome” message on the user’s first-time visit but not on subsequent page visits, you need the state of the user.

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