package day03; |
import java.util.Scanner; |
//柜台收银程序 |
public class Cashier { |
public static void main(String[] args) { |
Scanner scan = new Scanner(System.in); |
System.out.println( "请输入单价:" ); |
double unitPrice = scan.nextDouble(); |
System.out.println( "请输入数量:" ); |
double amount = scan.nextDouble(); |
System.out.println( "请输入金额:" ); |
double money = scan.nextDouble(); |
|
//计算总价(单价*数量) |
double totalPrice = unitPrice*amount; |
if (totalPrice>= 500 ){ //满500 |
totalPrice*= 0.8 ; //打8折 |
} |
|
if (money>=totalPrice){ //够 |
double change = money-totalPrice; //计算找零(给的钱-总价) |
System.out.println( "应收金额为:" +totalPrice+ ",找零为:" +change); |
} else { |
System.out.println( "ERROR!您给的钱不够!" ); |
} |
|
} |
} |