4.3事供处理 EventObject AWTEvent Action Event TextEvent AdjustmentEvent><ComponentEventItemEvent Container Event WindowEvent FocusEvent InputEvent aintEvent MouseEvent KeyEvent AWTEvent类体系结构图 Java面向对象程序设计 图Java面向对象程序设计 4.3 事件处理 AWTEvent类体系结构图 EventObject AWTEvent AdjustmentEvent ContainerEvent WindowEvent FocusEvent InputEvent PaintEvent MouseEvent KeyEvent ActionEvent ComponentEvent ItemEvent TextEvent