package serverframe;import java.io.*;import java.awt.*;import java.net.*;import java.util.*;import java.awt.event.*;import javax.swing.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2006</p> * <p>Company: </p> * @author not attributable * @version 1.0 */class BroadCast extends Thread{   ClientThread c;   ServerThread sThread;   String       m;   public BroadCast(ServerThread sThread)   {      this.sThread    = sThread;   }   public void run()   {      while(true)      {         try         {            Thread.sleep(1);         }         catch(InterruptedException E){}         synchronized(sThread.messages)         {            if(sThread.messages.isEmpty())//如果消息為空則返回               continue;            m = (String)sThread.messages.firstElement();//讓m等于第一個(gè)消息            sThread.messages.removeElement(m);//移出該消息         }         synchronized(sThread.Clients)         {            for(int i=0;i<sThread.Clients.size();i++)//循環(huán)客戶機(jī)次，發(fā)送消息            {               c = (ClientThread)sThread.Clients.elementAt(i);//返回指定的線程，及客戶機(jī)線程               c.write.println(m);//把m寫(xiě)到每個(gè)客戶機(jī)處理線程輸出流中            }         }      }   }}