题目:打印购物小票,计算购物积分
定义物品的价格,这这里是固定值]
package text;
import java.util.Scanner;
public class 课后练习3 {·
public static void main(String[] args) {
int t_d=300;
int wqx_d=800;
int wqp_d=250;
System.out.println("=");定义物品的价格
System.out.println(“购买的物品\t\t单价\t个数\t金额”);
System.out.println(“T恤\t\t”+t_d+"\t"+"\t");
System.out.println(“网球鞋\t\t”+wqx_d+"\t"+"\t");
System.out.println(“网球拍\t\t”+wqp_d+"\t"+"\t");
System.out.println(""); //打印购买之前的清单
Scanner input = new Scanner(System.in);
System.out.println(“需要购买的T恤的个数:”);
int t_g=input.nextInt();
System.out.println(“需要购买的网球鞋个数:”);
int wqx_g=input.nextInt();
System.out.println(“需要购买的网球拍的个数:”);//提示用户输入的个数
int wqp_g=input.nextInt();
int pice =t_dt_g+wqx_dwqx_g+wqp_dwqp_g; //总价格
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//System.out.println(“购买的物品\t\t单价\t个数\t金额”);
System.out.println(“购买的物品\t\t单价\t个数\t金额”);
System.out.println(“T恤\t\t”+t_d+"\t"+t_g+"\t"+t_dt_g+"\t");
System.out.println(“网球鞋\t\t”+wqx_d+"\t"+wqx_g+"\t"+wqx_dwqx_g+"\t");
System.out.println(“网球拍\t\t”+wqp_d+"\t"+wqp_g+"\t"+wqp_dwqp_g+"\t");
System.out.println("=============="); //打印购买之后的清单
double zk=0.8;
double sf=picezk; //实际付款金额
System.out.println(“折扣为”+zk10+“折”);
System.out.println(“总价格为”+pice);
System.out.println(“实际付款金额为:”+sf);
System.out.println(“请输入付款金额为:”);
int fk=input.nextInt(); //引导用户输入价格
double zl=fk-pice*zk; //找零金额
System.out.println(“找零金额为:”+zl);
int jf=(int)(sf/100);
System.out.println(“本次购物所获积分为”+jf);
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