Đây là bài làm
Mã:
using System;
using System.Collections.Generic;
using System.Text;
namespace Lop_va_doi_tuong
{
public class KhoHang
{
public string ten;
public float klg;
public float ton;
public float gia;
public KhoHang(string tenkhohang, float khanangchua, float tonkho, float giathuengay)
{
ten = tenkhohang;
klg = khanangchua;
ton = tonkho;
gia = giathuengay;
}
public void nhap(float soluongnhap)
{
float N = klg-ton;
if (soluongnhap >= N)
{
Console.WriteLine(" Kho chua hien khong du kha nang nhap {0} Kg ",soluongnhap);
ton = klg;
Console.WriteLine(" Chi co the nhap vao {0} Kg ",N);
Console.WriteLine(" Kho hang {0} con ton kho {1}Kg ", ten, ton);
}
else
{
Console.WriteLine(" Da nhap vao kho {0} Kg ", soluongnhap);
ton += soluongnhap;
Console.WriteLine( " Kho hang {0} con ton kho {1} ",ten,ton);
}
}
public virtual float tinhtien(int songaythue)
{
return songaythue * gia;
}
}
class KhoSP : KhoHang
{
float heso;
public KhoSP(string tenkhohang, float khanangchua, float tonkho, float giathuengay,float hs):base(tenkhohang,khanangchua,tonkho,giathuengay)
{
heso = hs;
}
public override float tinhtien(int songaythue)
{
return songaythue * gia * heso;
}
}
class KhoNL : KhoHang
{
float heso;
public KhoNL(string tenkhohang, float khanangchua, float tonkho, float giathuengay, float hs):base(tenkhohang,khanangchua,tonkho,giathuengay)
{
heso = hs;
}
public override float tinhtien(int songaythue)
{
return songaythue * gia * heso;
}
}
class kiemtra
{
static void Main()
{
KhoHang [] mangKH = new KhoHang[3];
mangKH[0] = new KhoHang("TenLua", 500, 200, 40);
mangKH[1] = new KhoNL("Bom", 800, 250, 45,float.Parse("0.9"));
mangKH[2] = new KhoSP("Nguoi chet", 600, 150, 42, float.Parse("0.85"));
for (int i = 0; i < 3; i++)
{
float soluongnhap;
Console.WriteLine("nhap so {0} vao kho",mangKH[i].ten);
soluongnhap = float.Parse(Console.ReadLine());
int songaythue;
Console.WriteLine("can chua {0} {1} trong may ngay",soluongnhap,mangKH[i].ten);
songaythue = Convert.ToInt32(Console.ReadLine());
mangKH[i].nhap(soluongnhap);
Console.WriteLine(" Thue ca cho nay can co {0} $ neu khong thi bom dan vo tinh",mangKH[i].tinhtien(songaythue));
}
Console.ReadLine();
}
}
}
