第四章选择结构练习题4

//换购活动练习题

package learn;

import java.util.Scanner;
public class Redemption {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
System.out.print("请输入消费金额:");
int money = input.nextInt();
if (money >= 50) {
System.out.println("是否参加优惠换购活动:");
System.out.println("1:满50元,加2元换购百事可乐饮料一瓶");
System.out.println("2:满100元,加3元换购500ml可乐一瓶");
System.out.println("3:满100元,加10元换购5KG面粉");
System.out.println("4:满200,加10元换购苏泊尔炒菜锅1个");
System.out.println("5:满200元,加20元换购欧莱雅爽肤水一瓶");
System.out.println("0:不换购");
System.out.println("请选择：");
int xuanze = input.nextInt();
switch (xuanze) {
case 1:
System.out.println("成功换购百事可乐一瓶");
System.out.print("本次消费金额:" + (money + 2));
break;
case 2:
if(money>=100) {
System.out.println("成功换购500ml可乐一瓶");
System.out.print("本次消费金额:" + (money + 3));
}else {System.out.println("不好意思您不能换购此商品");}
break;
case 3:
if(money>=100) {
System.out.println("成功换购5KG面粉");
System.out.print("本次消费金额:" + (money + 10));
}else {System.out.println("不好意思您不能换购此商品");}
break;
case 4:
if(money>=200) {
System.out.println("成功换购1个苏泊尔炒菜锅");
System.out.print("本次消费金额:" + (money + 10));
}else {System.out.println("不好意思您不能换购此商品");}
break;
case 5:
if(money>=200) {
System.out.println("成功换购欧莱雅爽肤水一瓶");
System.out.print("本次消费金额:" + (money + 20));
}else {System.out.println("不好意思您不能换购此商品");}
break;
case 0:
System.out.println("谢谢您的光临！");
System.out.print("本次消费金额:" + money);
break;
default:
System.out.println("输入错误请重新输入");
}
} else {
System.out.println("抱歉，您无法参加此活动");
System.out.println("本次消费总金额:" + money);
}

}
}