容器内部已实现锁定的并发容器 import java.util.concurrent.CopyOnWriteArrayList; CopyOnWriteArrayList<String> list=new CopyOnWriteArrayList<String>();
public class tt {
public static void main(String[]args)
{
CopyOnWriteArrayList<String> list=new CopyOnWriteArrayList<String>();
for(int i=0;i<99;i++)
{
new Thread(()-> {
list.add(Thread.currentThread().getName()); //不需要再添加synchronized块
}
).start();
};
}
}