Java面向对象编程实战：模拟学校管理系统（含代码示例）

// 父类 Person public class Person { private String name; private String sex; private int age;

public Person(String name, String sex, int age) {
    this.name = name;
    this.sex = sex;
    this.age = age;
}

public String getName() {
    return name;
}

public String getSex() {
    return sex;
}

public int getAge() {
    return age;
}

public String play() {
    return "";
}

}

// 子类 Student public class Student extends Person { private int stuId;

public Student(String name, String sex, int age, int stuId) {
    super(name, sex, age);
    this.stuId = stuId;
}

public int getStuId() {
    return stuId;
}

public void study() {
    System.out.println("我承诺，我会好好学习。");
}

@Override
public String play() {
    return getName() + "爱玩足球";
}

}

// 子类 Teacher public class Teacher extends Person { private int workAge;

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

public int getWorkAge() {
    return workAge;
}

public void teach() {
    System.out.println("我承诺，我会认真教学。");
}

@Override
public String play() {
    return getName() + "爱玩象棋";
}

}

// 学校类 School public class School { public void manager(Person person) { if (person instanceof Teacher) { Teacher teacher = (Teacher) person; System.out.println(teacher.play()); } else if (person instanceof Student) { Student student = (Student) person; System.out.println(student.play()); } } }

// 测试类 public class Main { public static void main(String[] args) { Student student = new Student("Tom", "Male", 18, 2021001); Teacher teacher = new Teacher("Alice", "Female", 30, 5);

    student.study();
    teacher.teach();

    School school = new School();
    school.manager(student);
    school.manager(teacher);
}

}