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 CleanDeadConnect extends Thread{   ServerThread sThread;   ClientThread temp;   String       m;   public CleanDeadConnect(ServerThread sThread)   {      this.sThread = sThread;   }   public void run()   {      while(true)      {         try         {            Thread.sleep(2000);         }         catch(InterruptedException E){}         synchronized(sThread.Clients)         {            for(int i=0;i<sThread.Clients.size();i++)//循環客戶機次檢查處理客戶機的線程是否死亡            {               temp = (ClientThread)sThread.Clients.elementAt(i);//返回指定的線程               if(!temp.isAlive())//判斷是否死亡，死亡的線程isAlive返回false               {                  ClientThread.ConnectNumber--;                  m ="talk"+ temp.getClientName() + ":" + temp.getClientAddress();                  m = m + "已離開 目前連線數: " +                      ClientThread.ConnectNumber + "\n";                  sThread.frame.ServerStatus.append(m);                  synchronized(sThread.messages)                  {                     sThread.messages.addElement(m);//把死亡線程消息加入消息隊列                  }                  sThread.Clients.removeElementAt(i);//在線程vector中移除該死亡的線程               }            }         }      }   }}