【Java】模拟超市收银系统
import java.util.*;public class Main {
public static void main(String[] args) {
String pName1="苹果";
double pPrice1=3.9;
String pNums1="1001";
String pName2="香蕉";
double pPrice2=5.6;
String pNums2="1002";
String pName3="橘子";
double pPrice3=4.5;
String pNums3="1003";
Scanner s =new Scanner(System.in);
System.out.println("欢迎进入超市收银系统!");
System.out.println("请输入商品编号:");
String num =s.next();
System.out.println("请输入购买的重量(斤):");
double weight=s.nextDouble();
String pName ="";
double pPrice=0;
if(num.equals(pNums1)){
pName=pName1;
pPrice=pPrice1;
}else if(num.equals(pNums2)){
pName=pName2;
pPrice=pPrice2;
}else if(num.equals(pNums3)){
pName=pName3;
pPrice=pPrice3;
}else{
System.out.println("输入错误");
}
System.out.println("您购买的商品是:"+pName+" "+"单价:"+pPrice+"元"+" "+"一共:"+pPrice*weight+"元");
System.out.println("请输入收银(元):");
double money =s.nextDouble();
double change=money-pPrice*weight;
System.out.println("找零:"+change);
}
}
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