Java从树集移除用户定义的对象

import java.util.TreeSet;

public class Main {
    public static void main(String[] args) {
        // 创建一个树集
        TreeSet<User> treeSet = new TreeSet<>();

        // 添加用户定义的对象到树集中
        User user1 = new User("Alice");
        User user2 = new User("Bob");
        User user3 = new User("Charlie");

        treeSet.add(user1);
        treeSet.add(user2);
        treeSet.add(user3);

        // 创建一个临时对象进行移除操作
        User tempUser = new User("Bob");

        treeSet.remove(tempUser);

        // 输出移除后的树集内容
        for (User user : treeSet) {
            System.out.println(user.getName());
        }
    }
}

class User implements Comparable<User> {
    private String name;

    public User(String name) {
        this.name = name;
    }

    public String getName() {
        return name;
    }

    @Override
    public int compareTo(User other) {
        return this.name.compareTo(other.name);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null || getClass() != obj.getClass()) {
            return false;
        }
        User other = (User) obj;
        return name.equals(other.name);
    }

    @Override
    public int hashCode() {
        return name.hashCode();
    }
}