The most basic component of Java's graphics user interface is components. The Java.awt package provides basic GUI design tools, mainly including component, container, and layout manager. AWT can be used in Java's Applet and Application. The abstract window tool package AWT (ABSTRACT Window Toolkit) is a development package for the establishment of graphical user interface GUI provided by Java. Seeing and operating are graphic objects, which apply computer graphics technology. It is standardized in various new applications, that is, the same operation is always done in the same way. The graphic user interface consists of the window, drop -down menu, dialog box, and its corresponding control mechanism. Compared with the character interface of the routine task through the keyboard input text or character command, the graphical user interface has many advantages. It allows users to use the mouse and other input devices to manipulate the icon or menu option on the screen to select the command, call the file, start the program, or perform other daily tasks. The graphic user interface is a type of interface display format between a person to communicate with the computer. GUI( Graphical User Interface, Referred to GUI, Also known as Graphical user interface) It refers to the computer operation user interface displayed by graphics. Disclaimer: Part of the article comes from Click me to jump 1.GUI Overview