package OOP.Demo02;

import java.util.ArrayList;
import java.util.List;

public class UnsafeList {
    public static void main(String[] args) {
        List<String> list = new ArrayList<String>();

        for (int i = 0; i < 10000; i++) {
            new Thread(()->{
               synchronized (list){
                   list.add(Thread.currentThread().getName());
               }
            }).start();
        }
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println(list.size());
    }
}