java编写的一个多线程程序，模拟银行排队.zip

import java.io.*; import java.util.List; import java.util.Random; import java.util.LinkedList; import java.util.Collections; import java.util.Iterator; import java.sql.*; import java.lang.*; public class BankDemo { public static int numberOfCounter=10;//假定柜台数 public static int numberOfPeople=1000;//假定用户数 public static int addUserScope=200; public List AccountList;//银行账户链表 public List CounterList[]=new List[numberOfCounter];//队列链表;这里以后改为10 public BankCounterThread threadNum[]=new BankCounterThread[numberOfCounter];//每个柜台处理线程;这里以后改为10 public CreateUserThread createThread;//产生随机用户线程 public Object obj; public BankDemo() { obj=new Object(); } public static void main(String args[]) { BankDemo bank=new BankDemo(); bank.InitialList(); bank.InitialThread(); synchronized(bank.obj) { try { (bank.obj).wait(); } catch(InterruptedException e) { } } try { Thread.sleep(30000); } catch(InterruptedException e) { } bank.TerminateThread(); System.out.println("********************"+"\n"+"银行处理完毕！"+"\n"+"********************"); } protected void TerminateThread() { for(int i=0;i<numberOfCounter;i++) { threadNum[i].stop(); } } protected void InitialList() { AccountList =Collections.synchronizedList(new LinkedList()); for(int j=0;j<numberOfCounter;j++)//这里以后改为10 { CounterList[j]=Collections.synchronizedList(new LinkedList()); } } protected void InitialThread() { for(int i=0;i<numberOfCounter;i++)//这里以后改为10 { threadNum[i]=new BankCounterThread("柜台"+Integer.toString(i)+"营业线程启动！",i,this); threadNum[i].start(); } CreateUserThread createThread=new CreateUserThread("创建用户线程启动!",this); createThread.start(); } } class CreateUserThread extends Thread { Random rand; int userID=0; int operateState=0;//0:存；1:取 int amountOfMoney=0; BankDemo bankInCreate; public CreateUserThread(String userName,BankDemo bankInCreate) { super(userName); System.out.println(userName); this.bankInCreate=bankInCreate; rand=new Random(); } public void run() { Iterator iter; UserRandomClass newUser; UserRandomClass tempRamUser; boolean RemFlag=false;//false:没有相同用户;true:有相同用户 int lengthLine[]=new int[bankInCreate.numberOfCounter];//各个柜台的长度,此处以后改为10个0 for(int n=0;n<bankInCreate.numberOfCounter;n++) { lengthLine[n]=0; } int minLength=0;//最少人数 int numOfLine=0;//第几个柜台前人数最少 for(int i=0;i<bankInCreate.numberOfPeople;i++)//以后这里改为1000 { newUser=new UserRandomClass(); newUser.SetUserID(10000+rand.nextInt(bankInCreate.addUserScope)); newUser.SetOperateState(rand.nextInt(2)); newUser.SetAmountOfMon(2000+rand.nextInt(3000)); RemFlag=false; //查询有无相同用户 for(int j=0;j<bankInCreate.numberOfCounter;j++)//此处以后改为10 { synchronized(bankInCreate.CounterList[j]) { lengthLine[j]=bankInCreate.CounterList[j].size(); iter=bankInCreate.CounterList[j].iterator(); while(iter.hasNext()) { tempRamUser=(UserRandomClass)iter.next(); if(newUser.GetUserID()==tempRamUser.GetUserID()) { RemFlag=true; break; } } } if(RemFlag) { break; } } //比较队列长度 if(!RemFlag) { minLength=lengthLine[0]; numOfLine=0; for(int m=0;m<bankInCreate.numberOfCounter;m++)//此处以后改为10 { if(minLength>lengthLine[m]) { minLength=lengthLine[m]; numOfLine=m; } } synchronized(bankInCreate.CounterList[numOfLine]) { bankInCreate.CounterList[numOfLine].add(newUser); } } else { i-=1; } }//for用户产生完成 synchronized(bankInCreate.obj) { bankInCreate.obj.notify(); } }//run } class BankCounterThread extends Thread { private Random randTime; int counterNum; BankDemo bankInCounter; public BankCounterThread(String SeviceNumber,int counterNum,BankDemo bankInCounter) { super(SeviceNumber); this.counterNum=counterNum; this.bankInCounter=bankInCounter; System.out.println(SeviceNumber); randTime=new Random(); } public void run() { UserRandomClass firstUserAccount; Iterator iter; int userID=0; int amountOfMoney=0; int operateState=0; BankAccountClass accountOfBank; boolean accountAddFlag=false;//false表示储户为新储户，true表示储户已存在 BankAccountClass addAccountClass; while(true) { //从队列中取出第一个用户信息 synchronized(bankInCounter.CounterList[counterNum]) { iter=bankInCounter.CounterList[counterNum].iterator(); if(iter.hasNext()) { firstUserAccount=(UserRandomClass)iter.next(); userID=firstUserAccount.GetUserID(); amountOfMoney=firstUserAccount.GetAmountOfMon(); operateState=firstUserAccount.GetOperateState(); iter.remove();//已取得用户信息,从队列中删除 } else //队列无用户等待10微秒 { try { sleep(10); } catch(InterruptedException e) { } continue; } } //银行处理业务延迟5微秒 try { sleep(50+randTime.nextInt(450)); } catch(InterruptedException e) { } //对比银行储户信息