Short Desciption: Java GUI. The Abstract Window Toolkit. Based on the Java AWT Tutorial ...Every GUI component is a subclass of. the AWT Component class (except for ...

Content Inside: Java GUI The Abstract Window Toolkit Based on the Java AWT Tutorial from Javasoft Contents · · · · Overview of the Java UI Using Components Laying out Components in a Container Working with Graphics · Components AWT Overview ­ UI objects, such as buttons and labels · Graphics Classes ­ Represents a "Drawing Context" ­ All drawing is done through this class · Event Classes ­ Used to inform the program of user events (mouse, keyboard, etc) · Image Class ­ Used to load, display and store images Anatomy of an AWT Applet · Subclasses Applet · Creates Components to provide basic controls · Using Containers and Layout Managers, it groups the Components · User actions result in events ­ events are delivered to "event listeners" Anatomy, cont. · Components are arranged in a tree · All the nodes are Containers, except possibly leaves Drawing · Drawing occurs when ­ A component is displayed for the first time ­ The component is uncovered or unhidden ­ Something in the display has

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