从List <T>转换为数组T []

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

public class Main {
    public static void main(String[] args) {
        List<String> list = new ArrayList<>();
        list.add("A");
        list.add("B");
        list.add("C");

        String[] array = list.toArray(new String[0]);

        for (String s : array) {
            System.out.println(s);
        }
    }
}