Example9_6

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package itat;

public class Example9_6 {

/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub

  Number number=new Number();
  number.giveNumberThread.start();
  number.guessNumberThread.start();
}

}
class Number implements Runnable{

int realNumber,guessNumber,min=0,max=100,message;
final int SMALLER=-1,LARGER=1,SUCCESS=8;
Thread giveNumberThread ,guessNumberThread;
Number(){
giveNumberThread=new Thread(this);
guessNumberThread=new Thread(this);
}

public void run() {
  // TODO Auto-generated method stub
  for(int count=1;true;count++){
   if(Thread.currentThread()==giveNumberThread){
    if(count==1){
     realNumber=(int)(Math.random()*100)+1;
     System.out.println("随机给你一个数，猜猜是多少？");
    }else{
     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");
      return;
     }
    }
    try {
     Thread.sleep(1500);
    } catch (InterruptedException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }
   }
   if(Thread.currentThread()==guessNumberThread){
    if(count==1){
     guessNumber=(min+max)/2;
     System.out.println("我第"+count+"次猜这个数是："+guessNumber);
    }else{
     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);
     }else if(message==SUCCESS){
      System.out.println("我成功了！");
      return;
     }
    }
    try {
     Thread.sleep(1500);
    } catch (InterruptedException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }

   }
  }
}

}