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 Tiêu đề: Java 9-11-09 quan ly ban xe  9/11/2009, 9:32 am |
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XE MAY
public class XeMay{
protected String nhasx;
protected float chiphisx;
public XeMay(){
nhasx = "";
chiphisx=0;
}
public XeMay(String s_nhasx,float f_chiphisx){
nhasx = s_nhasx;
chiphisx=f_chiphisx;
}
public float tinhgiaban(){
return 2*chiphisx;
}
public void Xuat(){
System.out.println("Nha san xuat : " +nhasx);
System.out.println("Chi phi san xuat : " +chiphisx);
}
}
XEGA
public class XeGa extends XeMay{
public XeGa(){
super();
}
public XeGa(String nsx,float cpsx){
super(nsx,cpsx);
}
public float tinhgiaban(){
return (float)(2.5*chiphisx);
}
}
Main
import java.util.Scanner;
public class Main{
public static void main(String[] agrs){
String nhasx;
float cp;
Scanner scan = new Scanner(System.in);
System.out.println("Nhap vao nha san xuat : ");
nhasx = scan.next();
System.out.println("Nhap vao chi phi : ");
cp = scan.nextFloat();
XeMay xm = new XeMay(nhasx,cp);
xm.Xuat();
System.out.println("Gia ban : " +xm.tinhgiaban());
System.out.println("Xe ga");
XeGa xg = new XeGa(nhasx,cp);
xg.Xuat();
System.out.println("Gia ban : " +xg.tinhgiaban());
}
}
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