c#与Java事件定义的不同

C#:

using System;
using System.Collections.Generic;
using System.Text;

namespace Test1
{
    class Program
    {
        /// <summary>
        /// 主函数
        /// </summary>
        /// <param name="args">参数</param>
        static void Main(string[] args)
        {
            EventSourceObject obj = new EventSourceObject();
            obj.Name = "Child";
            obj.Wakeup += new WakeupEventDelegate(obj_Wakeup);
            obj.DoWakeup();
            System.Console.Read();
        }

        static void obj_Wakeup(object sender)
        {
            System.Console.WriteLine(((EventSourceObject)sender).Name + " wakeup.");
        }
    }

    /// <summary>
    /// 唤醒事件委托
    /// </summary>
    /// <param name="sender">发送源</param>
    public delegate void WakeupEventDelegate(object sender);

    /// <summary>
    /// 事件源对象
    /// </summary>
    public class EventSourceObject
    {
        /// <summary>
        /// 名称
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// 唤醒事件
        /// </summary>
        public event WakeupEventDelegate Wakeup;

        /// <summary>
        /// 唤醒（触发事件）
        /// </summary>
        public void DoWakeup()
        {
            System.Console.WriteLine("Parent wakeup.");
            if (Wakeup != null)
            {
                Wakeup(this);
            }
        }
    }
}

Java:

import java.util.EventListener;
import java.util.EventObject;

public class Main {
    /*
     * 主函数
     */
    public static void main(String[] args){
        EventSourceObject obj = new EventSourceObject();
        obj.setName("Child");
        // 注册事件
        obj.setWakeupListener(new WakeupEventListener(){
            @Override
            public void fireEvent(WakeupEvent e){
                super.fireEvent(e);
                System.out.println(((EventSourceObject)e.getSource()).getName() + " wakeup.");
            }
        });
        // 触发事件
        obj.wakeup();
    }
}
/*
 * 定义唤醒事件
 */
class WakeupEvent extends EventObject{
    private static final long serialVersionUID = 1L;
    public WakeupEvent(Object source){
        super(source);
    }
}
/*
 * 定义唤醒事件监听
 */
class WakeupEventListener implements EventListener{    
    public void fireEvent(WakeupEvent e){
        System.out.println("Parent wakeup.");
    }
}
/*
 * 定义事件源对象
 */
class EventSourceObject{
    private String name;
    private WakeupEventListener listener;
    /*
     * 获取名称
     */
    public String getName(){
        return this.name;
    }
    /*
     * 设置名称
     */
    public void setName(String name){
        this.name = name;
    }
    /*
     * 设置唤醒事件监听
     */
    public void setWakeupListener(WakeupEventListener listener){
        this.listener = listener;
    }
    /*
     * 唤醒（触发事件）
     */
    public void wakeup(){
        this.listener.fireEvent(new WakeupEvent(this));
    }
}