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- import java.util.*;
5 Y8 u/ z# F1 `4 i - public class Main {
T. g- W2 M" a$ ~8 d7 `# u - public static void main(String[] args) {
[# b3 w; M3 O4 g - String pName1="苹果";. o3 P( G5 V0 n
- double pPrice1=3.9;: j) c8 }, I% ^: Y" A( O0 P
- String pNums1="1001";
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- String pName2="香蕉";1 `. I# C/ j0 S# T. u- w3 L/ t6 c
- double pPrice2=5.6;+ k5 e( t0 t6 @8 _
- String pNums2="1002";
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- String pName3="橘子";
9 ?- ^1 W5 ~) t3 c# ?+ F: t - double pPrice3=4.5;! E! K! s* l- O
- String pNums3="1003";# N. D" m/ Y- J4 {1 s) [
-
7 [ z9 _+ s5 g; T - Scanner s =new Scanner(System.in);
7 b5 ^( Z( N( `# T) \" t- H* `7 I. ` - System.out.println("欢迎进入超市收银系统!");) }" B b n0 i9 L) j; I( r4 n1 U
- System.out.println("请输入商品编号:");
5 c0 @9 p7 o) |% U a" I8 i" j - String num =s.next();. i) P- t( z- b" c) q
- System.out.println("请输入购买的重量(斤):");& f; H' q0 N& b$ x- Q
- double weight=s.nextDouble();% C7 R* h1 f/ W# l( a2 s1 { s8 g
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- String pName ="";2 Q; _/ \5 T- d$ M/ H+ }5 b
- double pPrice=0;
9 c0 u6 E: W1 Z - if(num.equals(pNums1)){# m% }, p' y# L. l
- pName=pName1;, D( j+ M p9 a0 u1 T0 t
- pPrice=pPrice1; x+ n# T- V: m
- }else if(num.equals(pNums2)){
5 q6 t( P# x! W4 c - pName=pName2;
- V% R5 Y9 c0 C' I% j: K% n - pPrice=pPrice2;& B2 D7 P7 \4 w3 f( j- E
- }else if(num.equals(pNums3)){
; S+ @" |) P2 N' B1 A3 q - pName=pName3;
4 j- f+ Y$ l* f8 | - pPrice=pPrice3;
4 I* F+ J$ y/ \! k - }else{8 @. r6 }! [8 T$ |5 Y* i1 c4 ~
- System.out.println("输入错误");
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- System.out.println("您购买的商品是:"+pName+" "+"单价:"+pPrice+"元"+" "+"一共:"+pPrice*weight+"元");, b/ O6 g7 F& X) L6 V
- System.out.println("请输入收银(元):");
0 J' [/ [8 D' f5 f - double money =s.nextDouble();
' m& Y0 Z7 O6 a3 {( `+ t: r - double change=money-pPrice*weight;' c% a7 z4 E( }3 ~
- System.out.println("找零:"+change);0 B) N; J4 }+ V8 x- i
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