NHỮNG HÓA ĐƠN BÁN HÀNG CÓ SALE TAX.
1-Receipt of one item.
public class Purchase {
// If we declare constant outside of main;all methods can access to it.
final static double TAX_RATE = .08;
public static void main(String[] args) {
double itemprice =
10.25;
//We calculate the total price here.
double
finalprice = itemprice*(1+TAX_RATE);
System.out.println("Your
purchase cost "+finalprice+" with tax.");
} }
SUCCESS.
Compilation
time: 0.94 sec, absolute running time: 0.24 sec,
cpu time:
0.12 sec, memory peak: 23 Mb, absolute service time: 1.19 sec
Output. Your purchase cost 11.07 with tax.
2-Receipt of 2 items.
class Rextester{
final static double TAX_RATE = 0.08;
public static void main(String[] args) {
double item1price = 10.25,item2price = 5.25,item3price = 2.25;
double finalprice = (item1price+item2price+item3price)*(1+TAX_RATE);
System.out.println("Your total purchase is:"+finalprice+" with tax.");
}}
SUCCESS
Compilation time: 1.14 sec, absolute running time: 0.26 sec,
cpu time: 0.13 sec, memory peak: 22 Mb, absolute service time: 1.41 sec
output
Your total purchase is:19.17 with tax.
3- Receipt for T-Shirts Shop.
USING JAVA SCANNER
class ideone{
public
static void main (String[] args) {
System.out.println ("
T-SHIRTS SHOP ESTABLISHED IN 1986 ");
System.out.println (" Owner
: Henry Baxao Xaoke ");
System.out.println
("----------------------------------");
int tsmall, tmed,
tlarge, xlarge ;
double price1 =1.5, price2 = 2.5, price3 = 3.25, price4= 3.75, total1,
total2 ;
Scanner scan = new
Scanner (System.in);
System.out.println ("
*Muôn bao nhiêu Small,Medium,Large,Xlarge ? : ");
tsmall = scan.nextInt(); tmed = scan.nextInt();
tlarge = scan.nextInt(); xlarge = scan.nextInt();
System.out.println (" *Ban mua : " +tsmall+ " "+
"SM" +";"+tmed+" "+ "MD" +";"+tlarge+"
" +"LG" +";"+ xlarge+ " " +"XLG");
total1 =(tsmall*price1 + tmed*price2 + tlarge*price3 + xlarge*price4);
total2 =(tsmall*price1+ tmed*price2+ tlarge*price3+ xlarge*price4)*1.08;
System.out.printf (" *Giá tông công không có Tax
: %.2f%n ", total1);
System.out.printf (" *Giá tông công có Tax : %.2f%n ", total2);
System.out.println ("
THANK YOU-CÁM ON" );
// Dùng double total, nhưng viết khi format phải đổi ra %.2f%n mới chọn
được
// những số sau dấu chấm theo ý muốn.Ở đây chỉ chọn 2 con số mà thôi.
// những số sau dấu chấm theo ý muốn.Ở đây chỉ chọn 2 con số mà thôi.
}}
SUCCESS.
Outpt.
T-SHIRTS SHOP ESTABLISHED IN 1986
Owner : Henry Baxao Xaoke
----------------------------------
*Muôn bao nhiêu Small,Medium,Large,Xlarge ? :
*Ban mua : 8 SM;6 MD;4 LG;2 XLG
*Giá tông công không có Tax : 47.50
*Giá tông công có Tax : 51.30
THANK YOU-CÁM ON
4-Receipt Written With Java Formatting.
Using Java Formatter.
class Rextester{
private double total = 0;
private double total2 = 0;
private Formatter f = new
Formatter(System.out);
public void printTitle(){
f.format("%-15s %10s %15s
\n", "ITEM", "QTY","PRICE");
f.format("%-15s %10s %15s
\n", "----","----" ,"----");}
public void print(String
name, int qty, double price){
f.format("%-15s %10d %15.2f \n",
name, qty, price);total+=qty;
total2+=price;
}
public void printTotal(){
f.format("%-15s %10s
%15.2f\n", "TAX", " " , total2*0.08);
f.format("%-15s %10s %15s\n", "
", "----", "----");
f.format("%-15s %10.1s
%15.2f\n", "TOTAL", total, total2*1.08);}
public static void
main(String[] args){
receipt.printTitle();
receipt.print("T-shirts small
", 4, 12.00);
receipt.print("Ceramic
spoons", 2, 2.50);
receipt.print("Plastic
bucket",1, 4.25);
receipt.print("Aluminium
foil",2, 2.50);
receipt.print("Saran", 2,
5.00);
receipt.printTotal();
}}
SUCCESS . Compilation time: 0.73 sec, absolute running time: 0.14
sec,
cpu time: 0.06 sec, memory peak:
18 Mb,absolute service time: 0.88 sec
Output.
ITEM QTY PRICE
---- ---- ----
T-shirts small 4 12.00
Ceramic spoons 2 2.50
Plastic bucket 1 4.25
Aluminium foil 2 2.50
Saran 2 5.00
TAX 2.10
---- ----
TOTAL 11 28.35
