java的语言特点
1.简单性
2.面向对象
3.分布性
4.编译和解释性
5.稳健性
6.安全性
7.可移植性
8.高性能
9.动态性
小编综合运用嵌套if选择结构、switch选择结构、多重if选择结构实现商品换购功能
// A code block
var foo = 'bar';
// An highlighted block
//var foo = 'bar';
import java.util.Scanner;
public class f {
public static void main(String[] aargs) {
Scanner input=new Scanner(System.in);
System.out.println("请输入消费金额:");
int xiaofei=input.nextInt();
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元换购五公斤面粉");
System.out.println("4:满200元,加10元换购一个苏泊尔炒菜锅");
System.out.println("5:满200元,加20元换购欧莱雅肤水一瓶");
System.out.println("6:不换购");
System.out.println("请选择:");
int choose=input.nextInt();
switch(choose) {
case 1:
if(xiaofei>=50) {
System.out.println("本次消费总额:"+(xiaofei+2));
System.out.println("成功换购:百事可乐一瓶");
}else {
System.out.println("金额不足!无法换购~!");
}
break;
case 2:
if(xiaofei>=100) {
System.out.println("本次消费总额:"+(xiaofei+3));
System.out.println("成功换购:500ml可乐一瓶");
}else {
System.out.println("金额不足!无法换购~!");
}
break;
case 3:
if(xiaofei>=100) {
System.out.println("本次消费总额:"+(xiaofei+10));
System.out.println("成功换购:五公斤面粉");
}else {
System.out.println("金额不足!无法换购~!");
}
break;
case 4:
if(xiaofei>=200) {
System.out.println("本次消费总额:"+(xiaofei+10));
System.out.println("成功换购:苏泊尔炒菜锅一个");
}else {
System.out.println("金额不足!无法换购~!");
}
break;
case 5:
if(xiaofei>=200) {
System.out.println("本次消费总额:"+(xiaofei+20));
System.out.println("成功换购:欧莱雅肤水一瓶");
}else {
System.out.println("金额不足!无法换购~!");
}
break;
case 6:
System.out.println("不换购");
}
}
}