Quản lý cán bộ

CanBo.java

/********************
    author: nduy.nga
*********************/
package QLy;
public class CanBo
{
    private String sHoTen,sGioiTinh,sDiaChi;
    private int iNamSinh;
    //Toan tu tao lap
    CanBo()
    {}
    CanBo(String shoten,String sgioitinh,String sdiachi,int inamsinh)
    {
        this.sHoTen = shoten;
        this.sGioiTinh = sgioitinh;
        this.sDiaChi = sdiachi;
        this.iNamSinh = inamsinh;
    }
    public void InputData()
    {
        System.out.print("Nhap Ho Ten      :");this.sHoTen=NhapDL.nhapchuoi();
        System.out.print("Nhap Gioi Tinh   :");this.sGioiTinh=NhapDL.nhapchuoi();
        System.out.print("Nhap Dia Chi     :");this.sDiaChi=NhapDL.nhapchuoi();
        System.out.print("Nhap Nam Sinh    :");this.iNamSinh=NhapDL.nhapInt();
    }
    // Hien thi thong tin can bo
    public void OutputData()
    {
        System.out.println("Ho ten      :" +this.sHoTen);
        System.out.println("Gioi Tinh   :" +this.sGioiTinh);
        System.out.println("Dia Chi     :" +this.sDiaChi);
        System.out.println("Nam sinh    :" +this.iNamSinh);
    }
    public boolean TimKiem(String sKeyWord)
    {
        StringBuffer st = new StringBuffer(this.sHoTen);
        if(st.lastIndexOf(sKeyWord)>=0)
            return true;
        else 
            return false;
    }
}

CongNhan.java

/********************
    author: nduy.nga
*********************/
package QLy;
public class CongNhan extends CanBo
{
    private String sBac;
    public CongNhan()
    {
    
    }
    CongNhan(String Bac)
    {
        this.sBac=Bac;
    }
    // Ham nhap thong tin dc ghi de
    public void InputData()
    {
        super.InputData();
        System.out.print("Nhap cap bac     :");this.sBac=NhapDL.nhapchuoi();
    }
    public void OutputData()
    {
        super.OutputData();
        System.out.println("Bac CN      :" +this.sBac);
    }
}

KySu.java

/********************
    author: nduy.nga
*********************/
package QLy;
public class KySu extends CanBo
{
    private String sNganh;
    public KySu()
    {}
    public KySu(String snganh)
    {
        this.sNganh=snganh;
    }
    public void InputData()
    {
        super.InputData();
        ;
        System.out.print("Nhap Nganh       :");this.sNganh=NhapDL.nhapchuoi();
    }
    public void OutputData()
    {
        super.OutputData();
        System.out.println("Nganh       :" +this.sNganh);
    }
}

NhanVien.java

/********************
    author: nduy.nga
*********************/
package QLy;
public class NhanVien extends CanBo
{
    private String sCongViec;
    public NhanVien()
    {}
    public NhanVien(String scongviec)
    {
        this.sCongViec=scongviec;
    }
    public void InputData()
    {
        super.InputData();
        System.out.print("Nhap cong viec     :");this.sCongViec=NhapDL.nhapchuoi();
    }
    public void OutputData()
    {
        super.OutputData();
        System.out.println("Cong viec la      :" +this.sCongViec);
    }
}

NhapDL.java

/********************
    author: nduy.nga
*********************/
package QLy;
import java.io.*;
public class NhapDL
{
    static DataInputStream str=new DataInputStream(System.in);
    public static String nhapchuoi()
    {
        String st="";
        try {
            st=str.readLine();
        }catch(Exception e){
            System.out.println("Loi" +e);
        }
        return st;
    }
    public static int nhapInt()
    {
        String st=NhapDL.nhapchuoi();
        int i=0;
        try{
            i=Integer.valueOf(st).intValue();
        }catch(Exception e){
                System.out.println("Loi" +e);
        }
        return i;
    }
}

QLyCanBo.java

/******************
    author: nduy.nga
******************/
import java.util.*;
import QLy.*;
public class QLyCanBo
{
    public static void main(String[] args)    
    {
        CanBo[] dsCB = null;
        int iLuaChon=-1,n=0;        
        while(iLuaChon!=5)
            {
                System.out.println("||===============================||");
                System.out.println("||     Chuong Trinh QLy Can Bo   ||");
                System.out.println("|| 1. Nhap Thong Tin moi n CBo   ||");
                System.out.println("|| 2. Tim kiem theo ho ten       ||");
                System.out.println("|| 3. Hien thi thong tin ve dsCB ||");
                System.out.println("|| 4. Hien thi theo loai Can Bo  ||");
                System.out.println("|| 5. Thoat khoi chuong trinh    ||");
                System.out.println("||===============================||");
                System.out.print("Nhap lua chon cua ban: ");
                iLuaChon=NhapDL.nhapInt();
            switch(iLuaChon)
                {
                case 1:{
                    System.out.print("Ban muon nhap bao nhieu can bo? ");n = NhapDL.nhapInt();
                    dsCB = new CanBo[n];
                    for(int i=0;i<n;i++){
                        System.out.println("Nhap vao thong tin cho can bo thu " +(i+1));
                        boolean ok=false;
                        while(!ok){
                            System.out.print("Nhap loai can bo CN,KS,NV: ");
                            String sLoaiCB = NhapDL.nhapchuoi().trim();
                        if(sLoaiCB.equalsIgnoreCase("cn"))
                        {
                            dsCB[i]=new CongNhan();
                            dsCB[i].InputData();
                            ok=true;
                        }else
                        if(sLoaiCB.equalsIgnoreCase("ks"))
                        {
                            dsCB[i]=new KySu();
                            dsCB[i].InputData();
                            ok=true;
                        }else
                        if(sLoaiCB.equalsIgnoreCase("nv"))
                        {
                            dsCB[i] = new NhanVien();
                            dsCB[i].InputData();
                            ok=true;
                        }
                        }
                    }
                    System.out.println("Da nhap xong . . . .");
                    break;
                }
                case 2:{
                           if(dsCB!=null)
                           {
                                System.out.print("Nhap tu khoa: ");
                                String sKey = NhapDL.nhapchuoi().trim();
                                StringTokenizer st2=new StringTokenizer(sKey," ",false);
                                System.out.println("Ket qua tim kiem: ");
                                for(int i=0;i<n;i++)
                                    if(dsCB[i].TimKiem(st2.nextToken()) || (st2.hasMoreTokens()))
                                    {
                                        dsCB[i].OutputData();
                                    }
                                System.out.println("Tim xong!!");
                           }
                           else
                               System.out.println("Canh bao: Ban chua nhap danh sach!!");
                    break;
                }
                case 3:{
                    if(dsCB!=null)
                    {
                        System.out.println("Danh sach can bo la:");
                        for(int i=0;i<n;i++){
                            dsCB[i].OutputData();
                        }
                    }
                    else{
                        System.out.println("Ban chua nhap ds can bo!!!");
                    }
                    break;
                }
                case 4:{
                    if(dsCB!=null){
                        System.out.print("Nhap vao loai can bo congnhan,nhanvien,kysu: ");
                        String st=NhapDL.nhapchuoi();
                        for(int i=0;i<n;i++){
                           if(dsCB[i].getClass().getName().equalsIgnoreCase("QLy."+st))
                                dsCB[i].OutputData();
                        } 
                    }else{
                        System.out.println("Ban chua nhap DS!!");
                    }
                    break;
                }
                case 5:{
                    System.out.println("GoodBye. See You Again!!!");
                    break;
                }
                }
            }
    }
}