存在如下程序:public class Student{ private int id; private String name; public Student(int id,String name){ this.id = id; this.name = name; }}public static void main(String[] args) { Set set = new TreeSet<>(); set.add(new Student(1,"xiaohei")); set.add(new Student(2,"xiaobai")); System.out.println(set.size());}程序的输出结果是()。
选项:
A:2
B:1
C:程序编译报错
D:程序运行错误
发布时间:2024-05-23 10:37:35