import java.util.ArrayList;public class Demo{public static void main(String[] args) {ArrayList list = new TreeSet<>();list.add(1);list.add(5);list.add(3);list.add(4);list.add(5);System.out.println(list);}}输出结果

A. [1,5,3,4,5]
B. [1,3,4,5,5]
C. [1,3,4,5]
D. [1,5,3,4]