java代码练习2.doc

import java.util.Scanner;/* * AddCustByOne.java 会员信息录入 */public class AddCustByOne public static void main(String args) System.out.println(我行我素购物管理系统 客户信息管理 添加客户信息n);/* 录入会员信息 */Scanner input = new Scanner(System.in);System.out.print(请输入会员号()：);int custNo = input.nextInt();System.out.print(请输入会员生日（月/日）：);String custBirth = input.next();System.out.print(请输入积分：);int custScore = input.nextInt();/* 判断会员号有效性 */if (custNo = 1000 & custNo = 9999) System.out.println(n已录入的会员信息是： );System.out.println(custNo + t + custBirth + t + custScore); else System.out.println(n客户号 + custNo + 是无效会员号！);System.out.println(录入信息失败！);import java.util.*;/* * CalcDiscount.java 计算会员折扣 */public class CalcDiscount public static void main(String args) /* 输入会员积分 */System.out.print(请输入会员积分： );Scanner input = new Scanner(System.in);int custScore = input.nextInt();double discount;/* 判断折扣 */if (custScore 2000) discount = 0.9; else if (2000 = custScore & custScore 4000) discount = 0.8; else if (4000 = custScore & custScore 8000) discount = 0.7; else discount = 0.6;System.out.println(该会员享受的折扣是： + discount);import java.util.Scanner;/* * ATMDemo.java 模拟ATM机取款业务 */public class ATMDemo /* * 简单ATM机取款过程模拟 */public static void main(String args) String pass = ;/保存用户输入密码int amount = 0;/取款金额String password = 111111;/用户密码int count = 0;/记录密码输入次数boolean isPass = false;/密码是否通过验证Scanner input = new Scanner(System.in);while(count 0)if(amount=1000 & amount%100=0)System.out.println(您取了 +amount+ 元);System.out.println(交易完成，请取卡！);break;/完成交易，退出elseSystem.out.print(您输入金额的金额不合法，请重新输入：);amount = input.nextInt();continue;/继续让用户输入金额if(!isPass)/用户输入了3次错误密码System.out.print(密码错误，请取卡！);import java.util.Scanner;/* * ATMDemo.java 模拟ATM机取款业务 */public class ATMDemo /* * 简单ATM机取款过程模拟 */public static void main(String args) String pass = ;/保存用户输入密码int amount = 0;/取款金额String password = 111111;/用户密码int count = 0;/记录密码输入次数boolean isPass = false;/密码是否通过验证Scanner input = new Scanner(System.in);while(count 0)if(amount 客户信息管理 添加客户信息n);int custNo = 0; /会员号String birthday;/会员生日int points = 0;/会员积分Scanner input = new Scanner(System.in);for(int i = 0; i 3; i+)/循环录入会员信息System.out.print(请输入会员号（）：);custNo = input.nextInt();System.out.print(请输入会员生日（月/日）：);birthday = input.next();System.out.print(请输入会员积分：);points = input.nextInt();if(custNo 9999)/会员号无效则跳出System.out.println(客户号 +custNo+ 是无效会员号！);System.out.println(录