4.1 java文件: MainActivity.java 4.2 布局文件: activity_main.xml 1. 再谈接口 1.1 定义接口 定义接口的一般格式如下: [public] interface 接口名 [extends 父接口名]{ [public] [static] [final] 数据类型 常量名 = 常量;//常量声明 [public] [abstract] 返回类型 方法名(参数列表);//抽象方法声明 }...
ApplicationEventMulticaster接口功能主要用于广播事件给所有监听器,示例如下:publicinterfaceApplicationEventMu...
The class that is interested in processing an action event implements this interface, and the object created with that class is registered with a component, using the component's addActionListener method. When the action event occurs, that object's actionPerformed method is invoked....
java.awt.event Interface ActionListener All Superinterfaces: EventListener All Known Subinterfaces: Action All Known Implementing Classes: AbstractAction,AWTEventMulticaster,BasicDesktopPaneUI.CloseAction,BasicDesktopPaneUI.MaximizeAction,BasicDesktopPaneUI.MinimizeAction,BasicDesktopPaneUI.NavigateAction,BasicDesktopPan...
Post Your Answer By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy. Not the answer you're looking for? Browse other questions tagged java swing user-interface jframe jpanel or ask your own question. The...
public interface ActionListener extends FacesListenerA listener interface for receiving ActionEvents. A class that is interested in receiving such events implements this interface, and then registers itself with the source UIComponent of interest, by calling add...
AWTEvent (Java Platform SE 6)严格来说在actionPerformed方法中,应该先对传进来的ActionEvent进行判断或...
Here you declare a class OneActionListener that implements ActionListener interface to let know the button he can handle the event ( with the actionPerformed method ) I hope this clear out a bit how this works. Share Improve this answer Follow answered Apr 16, 2011 at 0:39 OscarRyz ...
问使用ActionListener退出菜单不起作用EN我试图使用ActionListener退出菜单,但是我的代码不能正常工作,“...
java.lang.Object java.util.EventObject java.awt.AWTEvent java.awt.event.ComponentEvent java.awt.event Interface MouseListener All Superinterfaces: EventListener All Known Subinterfaces: MouseInputListener privatevoidProcessComponents(JPanel jPanel){ ...