2021-5-13 网络

import java.util.Scanner;
interface Employee{
    int getSalary();
}
class Programmer implements Employee{
    int salary ;
    Programmer(){
        salary = 5000;
    }
    @Override
    public int getSalary(){
        return salary;
    }
}
class SeniorProgrammer extends Programmer{
    SeniorProgrammer(){
        super();
        salary = 5000;
    }
    @Override
    public int getSalary(){
        return salary + 5000;
    }
}
class Manager extends SeniorProgrammer{
    Manager(){
        super();
        this.salary += 5000;
    }
    @Override
    public int getSalary(){
        return salary + 5000 + 5000;
    }
}
class ProgrammerFactory{
    public Programmer makeProgrammer(String pos){
        if(pos.equals("Programmer")){
            return new Programmer();
        }else if(pos.equals("SeniorProgrammer")){
            return new SeniorProgrammer();
        }else if(pos.equals("Manager")){
            return new Manager();
        }else {
            return null;
        }
    }
}
public class factory{
    public static void main(String[] args){
        ProgrammerFactory factory = new ProgrammerFactory();
        Employee Programmer  = factory.makeProgrammer("Programmer");
        Employee SeniorProgrammerProgrammer  = factory.makeProgrammer("SeniorProgrammer");
        Employee Manager  = factory.makeProgrammer("Manager");
        Manager.getSalary();
        Programmer.getSalary();
        SeniorProgrammer.getSalary();
    }
}