java编程300例：7.根据用户的消费情况计算用户的享受的折扣

package com.haoran.test;

import java.util.Scanner;

/**

*

* @author haora

*描述：根据用户的消费情况计算用户的享受的折扣

* 生命是彩色的！

*

*/

public class javatest8 {

public static void main(String[] args) {

Scanner scan = new Scanner(System.in);

System.out.println(“请输入消费总金额（元）：”);

try {

int consumer = scan.nextInt();

int rebate = consumer/400 ;

switch (rebate) {

case 0:

System.out.println(“享受九五折优惠！”);

System.out.println(“请付款：”+0.95*consumer +”元”);

break;

case 1:

System.out.println(“享受九折优惠！”);

System.out.println(“请付款：”+0.9*consumer +”元”);

break;

case 2:

System.out.println(“享受八五折优惠！”);

System.out.println(“请付款：”+0.85*consumer +”元”);

break;

case 3:

System.out.println(“享受八折优惠！”);

System.out.println(“请付款：”+0.8*consumer +”元”);

break;

default:

System.out.println(“享受七五折优惠！”);

System.out.println(“请付款：”+0.75*consumer +”元”);

}

} catch (Exception e) {

System.out.println(“请输入正确的消费金额！”);

}finally {
scan.close();
}

}

}