java抽象的使用

package com.hspedu.abstractUse;
 
public class abstractUse {
    public static void main(String[] args) {
        Manager xiaohong = new Manager("小红", "222131", 2000);
        xiaohong.work();
        xiaohong.setBonus(8000);
//        long start = System.currentTimeMillis();
//        System.out.println(start);
    }
}
 
abstract class Employee {
    private String name;
    private String id;
    private double salary;
 
    public Employee(String name, String id, double salary) {
        this.name = name;
        this.id = id;
        this.salary = salary;
    }
    public abstract void work();
 
    public String getName() {
        return name;
    }
 
    public void setName(String name) {
        this.name = name;
    }
 
    public String getId() {
        return id;
    }
 
    public void setId(String id) {
        this.id = id;
    }
 
    public double getSalary() {
        return salary;
    }
 
    public void setSalary(double salary) {
        this.salary = salary;
    }
}
 
class Manager extends Employee {
    private double bonus;
 
    public Manager(String name, String id, double salary) {
        super(name, id, salary);
    }
 
    public double getBonus() {
        return bonus;
    }
 
    public void setBonus(double bonus) {
        this.bonus = bonus;
    }
 
    @Override
    public void work() {
        System.out.println("经理 " + getName() + "正在工作中");
    }
}
 
class commonEmployee extends Employee {
    public commonEmployee(String name, String id, double salary) {
        super(name, id, salary);
    }
 
    @Override
    public void work() {
        System.out.println("员工 " + getName() + "正在工作中");
    }
}

抽象的使用细节