package day05;
import java.util.*;
public class Dame6 {
public static void main(String[] args) {
/*用线程模拟竞拍过程
创建４条线程，代表４个人，设置线程名称分别为：（“匿名Ａ”，“匿名Ｂ”，“匿名Ｃ”，“匿名Ｄ”）。４个人一共可以竞拍８次，
每次竞拍出的价为１－100（包含１和100）的随机数，每次出价需要3000ms,
创建1个map集合<线程名，出价>将这四个人存入进去，出价默认为0，开始竞价后将每个人每次出的价存放进去，
竞拍结束后以每个人最后出价为准。将竞拍价最高的线程名和成交价打印出来
打印格式如下：
匿名A以98元的价格成交
*/
Runnable runnable = new Runnable() {
int num=0,mapName=0;
Object ob= new Object();
Map<String, Integer> map=new HashMap<>();
@Override
public void run() {
Set<String> keys = map.keySet();
String naem=Thread.currentThread().getName();
map.put(naem,0);
while(true){
synchronized (ob){
if (num<8){
try {
Thread.sleep(300);
} catch (InterruptedException e) {
e.printStackTrace();
}
int ran = new Random().nextInt(100)+1;
map.put(Thread.currentThread().getName(), ran);
System.out.println(Thread.currentThread().getName()+" "+ran);
num++;
}else{break;}
}
}
mapName++;
if(mapName>=4){
System.out.println();
for (String key : keys) {
//求最大数
System.out.print(key+"-->"+map.get(key)+" ");
}
}
}
};
Thread t1 = new Thread(runnable,"匿名A");
Thread t2 = new Thread(runnable,"匿名B");
Thread t3 = new Thread(runnable,"匿名C");
Thread t4 = new Thread(runnable,"匿名D");
t1.start();
t2.start();
t3.start();
t4.start();
}
}
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