黑马程序员Java零基础视频教程_上部P128面向对象进阶-08-继承中的构造方法和thissuper关键字 作业

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Employee类

public class Employee {
    private String id;
    private String name;

    public Employee() {
    }

    public Employee(String id, String name) {
        this.id = id;
        this.name = name;
    }

    /**
     * 获取
     * @return id
     */
    public String getId() {
        return id;
    }

    /**
     * 设置
     * @param id
     */
    public void setId(String id) {
        this.id = id;
    }

    /**
     * 获取
     * @return name
     */
    public String getName() {
        return name;
    }

    /**
     * 设置
     * @param name
     */
    public void setName(String name) {
        this.name = name;
    }

    public String toString() {
        return "Employee{id = " + id + ", name = " + name + "}";
    }

    public void work(){
        System.out.println("员工 work");
    }
}

Teacher类

public class Teacher extends Employee{
    public Teacher() {
    }

    public Teacher(String id, String name) {
        super(id, name);
    }
    @Override
    public void work(){
        super.work();
        System.out.println("Teacher is working.");
    }
}

AdminStaff类

public class AdminStaff extends Employee{

    public AdminStaff() {
    }

    public AdminStaff(String id, String name) {
        super(id,name);
    }
    @Override
    public void work(){
        super.work();
        System.out.println("Adminstaff is working");
    }
}

Lecturer类

public class Lecturer extends Teacher{
    public Lecturer(){
}
    public Lecturer(String id, String name){
        super(id, name);
    }
    @Override
    public void work(){
        super.work();
        System.out.println("lecturer is working");
    }
}

Tutor类

public class Tutor extends Teacher{
    public Tutor(){
    }
    public Tutor(String id, String name){
        super(id, name);
    }
    @Override
    public void work(){
        super.work();
        System.out.println("tutor is working");
    }
}

Maintainer类

public class Maintainer extends AdminStaff{

    public Maintainer() {
    }

    public Maintainer(String id, String name) {
        super(id, name);
    }
    @Override
    public void work(){
        super.work();
        System.out.println("Maintainer is working");
    }
}

Buyer类

public class Buyer extends AdminStaff{

    public Buyer() {
    }

    public Buyer(String id, String name) {
        super(id, name);
    }
    @Override
    public void work(){
        super.work();
        System.out.println("Buyer is working.");
    }
}