package test2;
import java.util.concurrent.CopyOnWriteArrayList;
//测试GUC安全类型的集合
public class TestGUC {
public static void main(String[] args) {
CopyOnWriteArrayList<String> list=new CopyOnWriteArrayList<String>();//这个类本来就是安全的
for (int i = 0; i < 1000; i++) {
new Thread(()->{
list.add(Thread.currentThread().getName());
}).start();
}
try {
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(list.size());
}
}