通过实现actionListener接口,我们可以为程序添加事件监听器。 在Java中,事件监听器是通过继承AbstractListener接口来实现的。当一个事件被触发时,Java虚拟机将查找与该事件关联的actionListener接口并调用其相应的方法。 二、使用actionListener 在Java中,我们可以使用多种方式来监听事件。例如,我们可以使用事件监听器来监听...
Uses of Interface java.awt.event.ActionListener Packages that useActionListener 软件包描述 com.sun.java.accessibility.util 提供组成Java Accessibility Utilities的接口和类的集合。 java.awt 包含用于创建用户界面和绘制图形和图像的所有类。 java.awt.dnd ...
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....
APIs that are used to link an application's business logic objects to JavaServer Faces, as well as convenient pluggable mechanisms to manage the execution of an application that is based on JavaServer Faces. javax.faces.component Fundamental APIs for user int...
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...
import java.awt.BorderLayout; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; public class Beeper extends JPanel implements ActionListener { JButton button; public Beeper() { super(new BorderLayout()); button = new JButton("Click Me"); ...
The java.awt.event.ActionListener interface is responsible for processing events java.awt.event.ActionEvent action generated by the drive buttons (Button), selection items (MenuItem) in suspended (drop-down) or independent menus (popup) at Pressing the "
publicHtmlActionListener(javax.swing.JMenuItem item, java.lang.String url) Method Detail actionPerformed public voidactionPerformed(java.awt.event.ActionEvent e) implements the ActionListener.actionPerformed() method. Specified by: actionPerformedin interfacejava.awt.event.ActionListener...
[Android.Runtime.Register("android/inputmethodservice/KeyboardView$OnKeyboardActionListener", "", "Android.InputMethodServices.KeyboardView/IOnKeyboardActionListenerInvoker")] public interface KeyboardView.IOnKeyboardActionListener : Android.Runtime.IJavaObject, IDisposable, Java.Interop.IJavaPeerableAttribut...
Interface for callback invocation on an application action C# 複製 [Android.Runtime.Register("android/net/wifi/p2p/WifiP2pManager$ActionListener", "", "Android.Net.Wifi.P2p.WifiP2pManager/IActionListenerInvoker")] public interface WifiP2pManager.IActionListener : Android.Runtime.IJavaObject, I...