J250511/01-JavaSE阶段代码/J20250730/demo12_synchronizedCollection/Demo01.java

package J20250730.demo12_synchronizedCollection;

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

/**
 * @author WanJl
 * @version 1.0
 * @title Demo01
 * @description
 * @create 2025/7/30
 */
public class Demo01 {
    public static void main(String[] args) {
        ArrayList<String> l=new ArrayList<>();
        //这就是把线程不安全的集合，封装为线程安全的集合
        List<String> list = Collections.synchronizedList(l);

    }
}