Design Pattern Factory

---Design Pattern Factory :-Thuộc nhóm Nhóm khởi tạo
                             -Tạo lớp khởi tạo thuộc cùng 1 nhóm
                             - Khởi tạo đối tượng linh hoạt

                     
1.tạo lớp Interface
package InterFace;

/**
 *
 * @author Xuanlinh
 */
public interface IPersonal {
    public void In();
    public void Nhap();
    public void Tinh();
   
}

2.Tạo lớp thực thi
/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package InterFace;

import java.util.Scanner;

public class Personal implements IPersonal{

   protected String ten;

    public String getTen() {
        return ten;
    }

    public void setTen(String ten) {
        this.ten = ten;
    }

    public String getTuoi() {
        return tuoi;
    }

    public void setTuoi(String tuoi) {
        this.tuoi = tuoi;
    }

    public String getDiachi() {
        return diachi;
    }

    public void setDiachi(String diachi) {
        this.diachi = diachi;
    }
   protected  String tuoi;
   protected  String diachi;
 
    @Override
    public void In() {
         System.out.print("\n---------------------------------------");
      System.out.print("\nNhap vao ten"+ten);
             
                System.out.print("\nNhap vao tuoi"+tuoi);
               
                  System.out.print("\nNhap vao diachi"+diachi);
                 
               
                 
                 
    }

    @Override
    public void Nhap() {
       Scanner input = new Scanner(System.in);
     
              System.out.print("\nNhap vao ten");
              ten=input.nextLine();
                System.out.print("\nNhap vao tuoi");
                tuoi=input.nextLine();
                  System.out.print("\nNhap vao diachi");
                    diachi=input.nextLine();
                 
                 
    }

    @Override
    public void Tinh() {
     
    }
   
   
}
----------------------------------------
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package InterFace;

import java.util.Scanner;

/**
 *
 * @author Xuanlinh
 */
public class Manager extends Personal implements IPersonal{
   
    String capbac;
        @Override
    public void In() {
         System.out.print("\n---------------------------------------");
      super.In();
               
                  System.out.print("\nNhap vao cap bac"+capbac);
                 
               
                 
                 
    }

    public String getCapbac() {
        return capbac;
    }

    public void setCapbac(String capbac) {
        this.capbac = capbac;
    }

    @Override
    public void Nhap() {
       Scanner input = new Scanner(System.in);
      super.Nhap();
            System.out.print("\nNhap vao capbac");
                    capbac=input.nextLine();
             
                 
                 
    }
    @Override
    public void Tinh() {
        System.out.print("\nLuong  là 50 triệu");
    }
}
-------------------------------------------------------
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package InterFace;

import java.util.Scanner;

/**
 *
 * @author Xuanlinh
 */
public class teacher extends Personal implements IPersonal{

      String chucvu;

    public String getChucvu() {
        return chucvu;
    }

    public void setChucvu(String chucvu) {
        this.chucvu = chucvu;
    }
        @Override
    public void In() {
         System.out.print("\n---------------------------------------");
      super.In();
               
                  System.out.print("\n chucvu"+chucvu);
                 
               
                 
                 
    }

    @Override
    public void Nhap() {
       Scanner input = new Scanner(System.in);
      super.Nhap();
             System.out.print("\nNhap vao chucvu");
                    chucvu=input.nextLine();
                 
                 
    }
    @Override
    public void Tinh() {
        System.out.print("\nLuong  là 10 triệu");
    }
   
}
-------------------------------
3.Tạo 1 lớp Factory quản lý các lớp thư thi của Interface personal
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package InterFace;

/**
 *
 * @author Xuanlinh
 */
public class FactoryIPersonal {
   private IPersonal p;
  public FactoryIPersonal (){}
          ;
  public IPersonal Employee(String name)
  {
  switch(name)
  {
      case "teacher" :{
      p=new teacher();
      return p;
      }
      case "manager" :{
      p=new Manager();
      return p;
      }
  }
 
  return null;
  }
}
4.gọi lớp khởi tạo factory
/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package InterFace;

public class Main {

 
    public static void main(String[] args) {
      IPersonal pa=new FactoryIPersonal().Employee("teacher");
      pa.Nhap();
      pa.In();
      pa.Tinh();
      pa=new FactoryIPersonal().Employee("manager");
      pa.Nhap();
      pa.In();
      pa.Tinh();
      Employee E=new Employee(new teacher());
      E.nhap();
      E.in();
      E.tinh();
    }
   
}