双线程猜数字

public class TwoThreadGuessNumber {public static void main(String[] args) {Number number=new Number();number.giveNumberThread.start();number.guessNumberThread.start();}}

public class Number implements Runnable {final int SMALLER=-1,LARGER=1,SUCCESS=8;int realNumber,guessNumber,min=0,max=100,message=SMALLER;boolean pleaseGuess=false,isGiveNumber=false;Thread giveNumberThread,guessNumberThread;Number(){giveNumberThread=new Thread(this);guessNumberThread=new Thread(this);}public void run() {for(int count=1;true;count++) {setMessage(count);if(message==SUCCESS)return;}}public synchronized void setMessage(int count) {if(Thread.currentThread()==giveNumberThread&&isGiveNumber==false) {realNumber=(int)(Math.random()*100)+1;System.out.println("随机给你一个1至100之间的数，猜猜是多少？");isGiveNumber=true;pleaseGuess=true;}if(Thread.currentThread()==giveNumberThread) {while(pleaseGuess==true)try { wait();        }    catch(InterruptedException e) {}    if(realNumber>guessNumber) {    message=SMALLER;    System.out.println("你猜小了");    }    else if(realNumber<guessNumber) {    message=LARGER;    System.out.println("你猜大了");    }    else {    message=SUCCESS;    System.out.println("恭喜，你猜对了");    }    pleaseGuess=true;  }if(Thread.currentThread()==guessNumberThread&&isGiveNumber==true) {while(pleaseGuess==false)try { wait();}    catch(InterruptedException e) {}    if(message==SMALLER) {    min=guessNumber;    guessNumber=(min+max)/2;    System.out.println("我第"+count+"次猜这个数是："+guessNumber);}    else if(message==LARGER) {    max=guessNumber;    guessNumber=(min+max)/2;    System.out.println("我第"+count+"次猜这个数是："+guessNumber);    }    pleaseGuess=false;}notifyAll();}}