if处理多分支结构实例介绍及过长的if语句的缺点

import java.util.Scanner;/** * Created by liwenj on 2017/7/17. */public class test7 {public static void main(String[] args) { Scanner input=new Scanner(System.in);int money=input.nextInt();if(money>500){ System.out.println("我要买一个凯迪拉克"); }else if(money>100){ System.out.println("我要买一个帕萨特"); }else if(money>50){ System.out.println("我要买一个伊兰特"); }else if(money>10){ System.out.println("我要买一个奥拓"); }else{ System.out.println("我要买一个拖拉机"); } } }

import java.util.Scanner;/** * Created by liwenj on 2017/7/17. */public class test8 {public static void main(String[] args) { Scanner input = new Scanner(System.in); System.out.println("请输入是否是会员"); String huiyuan = input.next();boolean f = huiyuan.equals("yes"); System.out.println("请输入消费金额");double money = input.nextDouble();if (f) {if (money >= 200) {double dazhe = money * 0.75; System.out.println("你消费：" + dazhe); } else {double dazhe = money * 0.8; System.out.println("你消费：" + dazhe); } } else if (money >= 100) {double dazhe = money * 0.9; System.out.println("你消费：" + dazhe); }else{ System.out.println("你消费："+money); } } }