25.1 Introduction
[Note: The prerequisites for this chapter are Chapters 1–11. This chapter does not require that you’ve read Chapter 12, GUI Components: Part 1, which discusses Swing GUI.]
A graphical user interface (GUI) presents a user-friendly mechanism for interacting with an app. A GUI (pronounced “GOO-ee”) gives an app a distinctive “look-and-feel.” GUIs are built from GUI components. These are sometimes called controls or widgets—short for window gadgets. A GUI component is an object with which the user interacts via the mouse, the keyboard or another form of input, such as voice recognition.
Look-and-Feel Observation 25.1
Providing ...
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