java/2-W5/w5挑战版/Teacher.java

package w5挑战版;

// 老师
public class Teacher extends Person {
    private String teacherId; // 工号

    public Teacher(String name, int age, String teacherId) {
        super(name, age);
        this.teacherId = teacherId;
    }

    // 重写显示信息
    @Override
    public void showInfo() {
        System.out.printf("【老师】%s | 年龄：%d | 工号：%s%n", getName(), getAge(), teacherId);
    }

    // 🔥 必须加这个getter！否则PersonManager里调用不到
    public String getTeacherId() {
        return teacherId;
    }
}