package Thread_Study.synchro;
import java.util.concurrent.CopyOnWriteArrayList;
public class TestJUC {
public static void main(String[] args) {
CopyOnWriteArrayList<String> list=new CopyOnWriteArrayList<String>();
for (int i = 0; i < 10000; i++) {
new Thread(()->{
list.add(Thread.currentThread().getName());
}).start();
}
/*try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}*/
System.out.println(list.size());
}
}
它出现的结果应该有很多吧,自己大概测试了30次,不加延时出现的可能有:9999、9998、9997