import org.apache.commons.collections.CollectionUtils;import java.util.ArrayList;import java.util.Collections;import java.util.List;public class CopyTest {    public static void main(String[] args) {        List<Integer> list = new ArrayList<>();        for (int i = 0; i < 10; i++) {            list.add(i);        }        //list深度拷贝        List<Integer> newList = new ArrayList<>();        CollectionUtils.addAll(newList, new Object[list.size()]);        Collections.copy(newList, list);        newList.set(0, 10);                System.out.println("原list值：" + list);        System.out.println("新list值：" + newList);    }}