标签:10 题目 double 08 callRecord second ArrayList new public
前言:
知识点包括:类与类之间的设计,正则表达式的使用,继承,抽象类之间的设计,以及什么时候使用抽象类,对于抽象类进行一些继承的,列表Arraylist的使用
多态的设计,TreeSet的使用,迭代器的使用,成员内部类的使用
题量:本次包括三次题集,其中一共包括了 8 道题目,题目量相对来说较少
题目难度:适中
题目集一:
实现一个简单的电信计费程序:
假设南昌市电信分公司针对市内座机用户采用的计费方式:
月租20元,接电话免费,市内拨打电话0.1元/分钟,省内长途0.3元/分钟,国内长途拨打0.6元/分钟。不足一分钟按一分钟计。
南昌市的区号:0791,江西省内各地市区号包括:0790~0799以及0701。
输入格式:
输入信息包括两种类型
1、逐行输入南昌市用户开户的信息,每行一个用户,
格式:u-号码 计费类型 (计费类型包括:0-座机 1-手机实时计费 2-手机A套餐)
例如:u-079186300001 0
座机号码除区号外由是7-8位数字组成。
本题只考虑计费类型0-座机计费,电信系列2、3题会逐步增加计费类型。
2、逐行输入本月某些用户的通讯信息,通讯信息格式:
座机呼叫座机:t-主叫号码 接听号码 起始时间 结束时间
t-079186330022 058686330022 2022.1.3 10:00:25 2022.1.3 10:05:11
以上四项内容之间以一个英文空格分隔,
时间必须符合"yyyy.MM.dd HH:mm:ss"格式。提示:使用SimpleDateFormat类。
以上两类信息,先输入所有开户信息,再输入所有通讯信息,最后一行以“end”结束。
注意:
本题非法输入只做格式非法的判断,不做内容是否合理的判断(时间除外,否则无法计算),比如:
1、输入的所有通讯信息均认为是同一个月的通讯信息,不做日期是否在同一个月还是多个月的判定,直接将通讯费用累加,因此月租只计算一次。
2、记录中如果同一电话号码的多条通话记录时间出现重合,这种情况也不做判断,直接 计算每条记录的费用并累加。
3、用户区号不为南昌市的区号也作为正常用户处理。
输出格式:
根据输入的详细通讯信息,计算所有已开户的用户的当月费用(精确到小数点后2位,
单位元)。假设每个用户初始余额是100元。
每条通讯信息单独计费后累加,不是将所有时间累计后统一计费。
格式:号码+英文空格符+总的话费+英文空格符+余额
每个用户一行,用户之间按号码字符从小到大排序。
设计与分析:本次题目中,给出了其中的类图设计,相对于来说还是比较好操作,所需要的就是读懂题目中的内容,将其中的内容进行一些实现,由于这次作业给出的类图设计的比较好,其中的很多的 内容都已经实现,但是读懂却比较麻烦,因此需要我么细心的去读懂其中的内容,在创建类上,我们可以不需要重复打开过的的窗口导致其中的窗口过多,使得其中的类显示出一种眼花缭 乱的感觉,难以给人琢磨清楚,因此,我们可以换一种打开方式,比如说,我们可以对于抽象类ChargrRule和其子类抽象类的CallChargeRule类、LandPhoneCityRule、 LandPhoneLandRule、LandPhoneProvinceRule、这几个类将其放在一个页面中便于我们操作和理解,其显示的效果,如下图所示,就比较清晰。
踩坑心得:本次实验中,确实有很多次踩坑。
一:对于时间上的计算思路是不正确的,其中没超过一分钟,就要计入为下一分钟,刚开始以为自己考虑好了,后来才发现自己考虑到不完善,其中的时间 设计方式不对,因 此,我们可以采用以下方式
if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.1;
其中的second 是精确计算下的结果,而second1 是在计算下,去尾的结果,这样可以实现电话费的时间计算模式,当然,这是对于花费是0.1每分钟,在市内打电话的收费,对于后来的迭 代,我们需要采用使用一些方法,在市内打不同的地方的收费价格是不一样的,需要重新写方法,而不是使用0.1这样的数字方式,这个我们可以在后文重新讲解;
二、对于电话的了解不多,导致其中的问题,比如说,一般的电话都是区号+号码的形式,所构成的号码一般是11位或者是12位的,但是对于一些特殊地区的,比如说北京的,区号就是010 的。所以就会导致之前的号码是11位或者是12位的错误,这是常识缺乏所导致的错误,一般上,一时半会儿是难以解决的,所以我们需要更改的其中的正则表达式
三、号码输出所导致的排序错误,刚开始的时候,自己的输出上没有注意到其中的错误,对于输出上还有一定的要求,我都是自然输出的。在发现错误后,我们可以采用hashmap的方式进行 排序,虽然可以实现本次代码,但是对于之后的迭代代码上,并不通用,在后续中,我会对其中的错误进行讲述,当且先暂且使用hashmap。使用了hashmao之后可以将其中的电话号码,按 照我们所需要的排序进行。
Map<String, User> mm = new HashMap<>();
string是我们输入的电话号码的内容,将其和user用户一同放入进去。
改进建议:其中的很多部分是不完善的,比如说,那个计算每分钟多少钱的内容,我们是不够完善的,需要设计方法,实现对不同情况下产生不同的计算金额
以下是源代码:
import java.text.DecimalFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; import java.util.Date; import java.util.ArrayList; public class Main { public static void main(String[] args) throws ParseException { Infor infor = new Infor(); infor.input(); } } class Infor{ public void input() throws ParseException { Scanner in = new Scanner(System.in); String[] x = new String[1000]; ArrayList<User> users = new ArrayList<>();//创建一个存储用户的数组 Map<String, User> mm = new HashMap<>(); int i = 0 , count = 0; String [] str = new String[1000]; for(i = 0 ; i < 1000; i++) { x[i] = in.nextLine(); String []a = x[i].split(" "); if(numberBegin(x[i])){//注册账户正确 String []num = a[0].split("-"); User user = new User(num[1]); for(int aa = 0 ;aa <= i ;aa++) { if (x[i].equals(x[aa])&&i!=0 &&i!= aa) break; if (aa == i) { users.add(user);//创建了一个用户 mm.put(num[1], user); str[count] = num[1]; count++; } } } if(numberCallRecordBegin(a[0]) ){//通话记录格式正确 int j = 0,pos = 0; String [] b = x[i].split(" "); String [] c = b[0].split("-");//把第一个拆分了 if( numberEnd(b[1]) && isDate(b[2]) && isTime(b[3]) && isDate(b[4]) &&isTime(b[5])){//全部格式正确 for(j = 0; j < 1000;j++){ if(c[1].equals(str[j])) { pos++; break; } } CallRecord callRecord = new CallRecord(); int result = 0;//开始地址 String endPlace = ""; result = getIsWhere(b[1]); switch(result){ case 1: endPlace = "市内";break; case 2: endPlace = "省内";break; case 3: endPlace = "国内";break; } String startDate = b[2] + " " + b[3]; String endDate = b[4] + " " + b[5]; SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); Date date1 = simpleDateFormat.parse(startDate); Date date2 = simpleDateFormat.parse(endDate); callRecord.setStartTime(date1); callRecord.setEndTime(date2); callRecord.setCallingNumber(c[1]); callRecord.setAnswerNumber(b[1]); callRecord.setCallingAddressAreaCode("南昌"); callRecord.setAnswerAddressAreaCode(endPlace); if(pos == 1) switch (result){ case 1:users.get(j).getUserRecords().addCallingInCityRecords(callRecord);break; case 2:users.get(j).getUserRecords().addCallingInProvinceRecords(callRecord);break; case 3:users.get(j).getUserRecords().addCallingInLandRecords(callRecord);break; } } } if(x[i].equals("end")) break; } for(User user : mm.values()){ System.out.println(user.getNumber() +" "+ user.calCost() +" "+ (80 - user.calCost()) ); } } public boolean numberBegin(String a){//注册的账号的内容 if(a.matches("^[u][-][0-9]{11}[0-9]{0,1}[ ][0]")) return true; else return false; } public boolean numberCallRecordBegin(String a){//通话记录的格式是否正确 if(a.matches("^[t][-][0-9]{10,12}")) return true; else return false; } public boolean numberEnd(String a){//判断是打电话的内容 if(a.matches("^[0-9]{10,12}")) return true; else return false; } public boolean isDate(String str) {//判断日期的合法性 boolean result = true; SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd"); try { format.setLenient(false); format.parse(str); }catch (Exception e){ result = false; } String [] a = str.split("[.]"); if(a[1].matches("^([1-9]|[1][0-2])") && a[2].matches("^([0][1-9]|[1-9]|[1-3][0-9])")) result = true; else result = false; return result; } public boolean isTime(String str){//判断时间是否合法 boolean result = true; SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss"); try { format.setLenient(false); format.parse(str); }catch (Exception e){ result = false; } String []a = str.split("[:]"); if(a[0].matches("^([0][0-9]|[1][0-9]|[2][0-3])") && a[1].matches("^([0][0-9]|[1-5][0-9])") &&a[2].matches("^([0][0-9]|[1-5][0-9])") ) result = true; else result = false; return result; } public int getIsWhere(String str){ int result = 0; if(str.matches("^[0][7][9][1][0-9]{7,8}"))//市内电话 result = 1; else if(str.matches("(([0][7][9][0-9][0-9]{7,8}))"))//省内电话 result = 2; else if(str.matches("[0][7][0][1][0-9]{7,8}"))//省内电话 result = 2; else//国内电话 result = 3; return result; } } class User { private UserRecords userRecords = new UserRecords();//用户记录 private double balance = 100;//余额 private ChargeMode chargeMode ;//计费方式 private String number = "";//号码 public User(String number) { this.number = number; this.chargeMode = new LandlinePhoneCharging(); } public double calBalance(){//总计剩余余额 return (balance - calCost() - chargeMode.getMonthlyRent()); } public double calCost(){//总计消费余额,这里面没有信息消费 double cost = chargeMode.calCost(userRecords); return cost; } public UserRecords getUserRecords() { return userRecords; } public void setUserRecords(UserRecords userRecords) { this.userRecords = userRecords; } public double getBalance() { return balance; } public void setBalance(double balance) { this.balance = balance; } public ChargeMode getChargeMode() { return chargeMode; } public void setChargeMode(ChargeMode chargeMode) { this.chargeMode = chargeMode; } public String getNumber() { return number; } public void setNumber(String number) { this.number = number; } } class UserRecords { private ArrayList<CallRecord> callingInCityRecords = new ArrayList<>(); private ArrayList<CallRecord> callingInProvinceRecords = new ArrayList<>(); private ArrayList<CallRecord> callingInLandRecords = new ArrayList<>(); private ArrayList<CallRecord> answerInCityRecords = new ArrayList<>(); private ArrayList<CallRecord> answerInProvinceRecords = new ArrayList<>(); private ArrayList<CallRecord> answerInLandRecords = new ArrayList<>(); private ArrayList<MessageRecord> sendMessageRecords = new ArrayList<>(); private ArrayList<MessageRecord> receiveMessageRecords = new ArrayList<>(); public UserRecords() { } public void addCallingInCityRecords(CallRecord callRecord){ callingInCityRecords.add(callRecord); } public void addCallingInProvinceRecords(CallRecord callRecord){ callingInProvinceRecords.add(callRecord); } public void addCallingInLandRecords (CallRecord callRecord){ callingInLandRecords.add(callRecord); } public void addAnswerInCityRecords(CallRecord callRecord){ answerInCityRecords.add(callRecord); } public void addAnswerInProvinceRecords(CallRecord callRecord){ answerInLandRecords.add(callRecord); } public void answerInLandRecords (CallRecord callRecord){ answerInLandRecords.add(callRecord); } public void addSendMessageRecords(MessageRecord messageRecord){ sendMessageRecords.add(messageRecord); } public void addReceiveMessageRecords(MessageRecord messageRecord){ receiveMessageRecords.add(messageRecord); } public ArrayList<CallRecord> getCallingInCityRecords() { return callingInCityRecords; } public ArrayList<CallRecord> getCallingInProvinceRecords() { return callingInProvinceRecords; } public ArrayList<CallRecord> getCallingInLandRecords() { return callingInLandRecords; } public ArrayList<CallRecord> getAnswerInCityRecords() { return answerInCityRecords; } public ArrayList<CallRecord> getAnswerInProvinceRecords() { return answerInProvinceRecords; } public ArrayList<CallRecord> getAnswerInLandRecords() { return answerInLandRecords; } public ArrayList<MessageRecord> getSendMessageRecords() { return sendMessageRecords; } public ArrayList<MessageRecord> getReceiveMessageRecords() { return receiveMessageRecords; } } abstract class CommunicationRecord{ protected String callingNumber; protected String answerNumber; public CommunicationRecord(){ } public String getCallingNumber() { return callingNumber; } public void setCallingNumber(String callingNumber) { this.callingNumber = callingNumber; } public String getAnswerNumber() { return answerNumber; } public void setAnswerNumber(String answerNumber) { this.answerNumber = answerNumber; } } class CallRecord extends CommunicationRecord{ private Date startTime; private Date endTime; private String callingAddressAreaCode; private String answerAddressAreaCode; public CallRecord(){ } public Date getStartTime() { return startTime; } public void setStartTime(Date startTime) { this.startTime = startTime; } public Date getEndTime() { return endTime; } public void setEndTime(Date endTime) { this.endTime = endTime; } public String getCallingAddressAreaCode() { return callingAddressAreaCode; } public void setCallingAddressAreaCode(String callingAddressAreaCode) { this.callingAddressAreaCode = callingAddressAreaCode; } public String getAnswerAddressAreaCode() { return answerAddressAreaCode; } public void setAnswerAddressAreaCode(String answerAddressAreaCode) { this.answerAddressAreaCode = answerAddressAreaCode; } //还有继承的方法没有实现 } class MessageRecord extends CommunicationRecord{ private String message; public MessageRecord(){ } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } //还有继承的方法没有实现 } abstract class ChargeMode { private ArrayList<ChargeRule> chargeRules = new ArrayList<>(); private LandPhoneInProvinceRule landPhoneInProvinceRule = new LandPhoneInProvinceRule(); private LandPhoneInLandRule landPhoneInLandRule = new LandPhoneInLandRule(); private LandPhoneInCityRule landPhoneInCityRule = new LandPhoneInCityRule(); public ChargeMode(){ chargeRules.add(landPhoneInCityRule); chargeRules.add(landPhoneInProvinceRule); chargeRules.add(landPhoneInLandRule); } public ArrayList<ChargeRule> getChargeRules() { return chargeRules; } public void setChargeRules(ArrayList<ChargeRule> chargeRules) { this.chargeRules = chargeRules; } public abstract double calCost(UserRecords userRecords); public abstract double getMonthlyRent(); } class LandlinePhoneCharging extends ChargeMode{ private double monthlyRent = 20; public LandlinePhoneCharging(){ } @Override public double calCost(UserRecords userRecords) { //数据中有起始时间和终止时间 //打电话的地址和接电话的地址 //需要转换成数字 //需要 double cost1 = getChargeRules().get(0).calCost(userRecords.getCallingInCityRecords()); double cost2 = getChargeRules().get(1).calCost(userRecords.getCallingInProvinceRecords()); double cost3 = getChargeRules().get(2).calCost(userRecords.getCallingInLandRecords()); return cost1 + cost2 + cost3; } @Override public double getMonthlyRent() { return monthlyRent; } } abstract class ChargeRule { public abstract double calCost(ArrayList<CallRecord> callRecord); } abstract class CallChargeRule extends ChargeRule{ public abstract double calCost(ArrayList<CallRecord> callRecord); } class LandPhoneInLandRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) {//这是一个数组 double second = 0,cost = 0,second1; for (int i = 0;i < callRecord.size() ;i++){ second = -(callRecord.get(i).getStartTime().getTime()-callRecord.get(i).getEndTime().getTime())/1000/60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.6; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } } class LandPhoneInProvinceRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) { double second = 0,cost = 0,second1 = 0; for (int i = 0;i < callRecord.size() ;i++){ second = -(callRecord.get(i).getStartTime().getTime()-callRecord.get(i).getEndTime().getTime())/1000/60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.3; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } } class LandPhoneInCityRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) { double second = 0,cost = 0,second1 = 0; for (int i = 0;i < callRecord.size() ;i++){ second = -(callRecord.get(i).getStartTime().getTime()-callRecord.get(i).getEndTime().getTime())/1000/60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.1; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } }phone1
定义容器Container接口。模拟实现一个容器类层次结构,并进行接口的实现、抽象方法重写和多态机制测试。各容器类实现求表面积、体积的方法。
定义接口Container:
属性:
public static final double pi=3.1415926;
抽象方法:
public abstract double area();
public abstract double volume();
static double sumofArea(Container c[]);
static double sumofVolume(Container c[]);
其中两个静态方法分别计算返回容器数组中所有对象的面积之和、周长之和;
定义Cube类、Cylinder类均实现自Container接口。
Cube类(属性:边长double类型)、Cylinder类(属性:底圆半径、高,double类型)。
设计与分析:本题相对于开说就比较简单 ,按照题目要求,定义一个接口,在接口里面的抽象类 ,运用foreach循环获取你输入的内容就可以了,在需要的类Cylinder和类Cube中实现算法,计算 面积与 周长即可 。对其中还需要创建Container的数组,将其中的数据存储进去即可
计算其中的体积的方法:
static double sumofVolume(Container c[]) { double Svolume = 0; for( Container container : c){ Svolume = Svolume + container.volume(); } return Svolume;
类比,我们还可以将其中的代码进行更改,变成面积的计算,其中的内容是在Container中的接口里的方法
踩坑心得:这次并没有踩坑,短短的代码,就可以实现其中的内容,没有踩坑心得噢。
改进建议:等大家来提出建议,题目内容比较少
以下是源代码:
import java.text.DecimalFormat; import java.util.Scanner; public class Main { public static void main(String[] args){ Scanner in = new Scanner(System.in); int num = in.nextInt(); int i = 0; Container []container = new Container[num]; while(i < num){ String name = in.next(); if(name.equals("cube")){ double a = in.nextDouble(); Cube cube = new Cube(a); container[i] = cube; } if(name.equals("cylinder")){ double r = in.nextDouble(); double h = in.nextDouble(); Cylinder cylinder = new Cylinder(r,h); container[i] = cylinder; } i++; } DecimalFormat df = new DecimalFormat("0.00"); double sumArea = Double.parseDouble(df.format(Container.sumofArea(container))); double sumVolume = Double.parseDouble(df.format(Container.sumofVolume(container))); System.out.println(sumArea); System.out.println(sumVolume); } } interface Container{ public static final double pi = 3.1415926; public abstract double area(); public abstract double volume(); static double sumofArea(Container c[]) { double Sarea = 0; for(Container container : c){ Sarea = Sarea + container.area(); } return Sarea; } static double sumofVolume(Container c[]) { double Svolume = 0; for( Container container : c){ Svolume = Svolume + container.volume(); } return Svolume; } } class Cube implements Container{ private double a; public Cube(double a) { this.a = a; } @Override public double area() { return a*a*6; } @Override public double volume() { return a*a*a; } } class Cylinder implements Container{ private double r; private double h; public Cylinder(double r,double h) { this.r = r; this.h = h; } @Override public double area() { return pi * r * r*2 + 2*pi*r*h; } @Override public double volume() { return pi * r * r * h; } }Container接口
题目三:对于上次的代码进行了迭代处理,拓展出了手机用户的模式
实现南昌市电信分公司的计费程序,假设该公司针对手机和座机用户分别采取了两种计费方案,分别如下:
1、针对市内座机用户采用的计费方式(与电信计费系列1内容相同):
月租20元,接电话免费,市内拨打电话0.1元/分钟,省内长途0.3元/分钟,国内长途拨打0.6元/分钟。不足一分钟按一分钟计。
假设本市的区号:0791,江西省内各地市区号包括:0790~0799以及0701。
2、针对手机用户采用实时计费方式:
月租15元,市内省内接电话均免费,市内拨打市内电话0.1元/分钟,市内拨打省内电话0.2元/分钟,市内拨打省外电话0.3元/分钟,省内漫游打电话0.3元/分钟,省外漫游接听0.3元/分钟,省外漫游拨打0.6元/分钟;
注:被叫电话属于市内、省内还是国内由被叫电话的接听地点区号决定,比如以下案例中,南昌市手机用户13307912264在区号为020的广州接听了电话,主叫号码应被计算为拨打了一个省外长途,同时,手机用户13307912264也要被计算省外接听漫游费:
u-13307912264 1
t-079186330022 13307912264 020 2022.1.3 10:00:25 2022.1.3 10:05:11
设计与分析:本次代码主要是对上次的代码进行增加一些方法,其中主要是对上次的代码进行拓展,主要实现一些方法,比如说上次提到的,对于收费的问题,对于处在不同的位置,我们需要不同的计 算金额的方式
public double getPrice(ArrayList<CallRecord> callRecord,int i ){ double price = 0; if (callRecord.get(i).getCallingAddressAreaCode().equals("市内"))//打电话的在市内 if (callRecord.get(i).getAnswerAddressAreaCode().equals("市内")) price = 0.1; if (callRecord.get(i).getCallingAddressAreaCode().equals("市内"))//打电话的在市内 if (callRecord.get(i).getAnswerAddressAreaCode().equals("省内")) price = 0.2; if (callRecord.get(i).getCallingAddressAreaCode().equals("市内"))//打电话的在市内 if (callRecord.get(i).getAnswerAddressAreaCode().equals("国内")) price = 0.3; return price; }
在算法的主要内容中,对于其中的不同的地方进行,进行不同的返还价格,这样既可以了。同时,我们还要对其中后来添加的方法进行加进去。
踩坑心得:没有按照顺序将其中的收费模式调用进去,导致调用的方法的不是我所需要的方法,最后产生了很多错误
没有对很多类初始化,类多了,导致老是没有按照要求进行初始化,导致了很多类的问题,数据没有传输进去
对于之前的设计不合理,导致计算的时候产生,进错了位置
hashmap无法满足其中的要求,因此需要采用treemap,来实现其中的内容
但是还是有两分没有拿到,至今没有解决
改进建议:对于一些正则表达式,还是需要一直更改,对于电话卡中的排序,算法上还有很多的重复赘余的内容,需要对其中的内容稍微修改一下,更改一下其中不必要的内容。
import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; import java.text.DecimalFormat; import java.util.ArrayList; class Main { public static void main(String[] args) throws ParseException { Infor infor = new Infor(); infor.input(); } } class Infor{ public void input() throws ParseException { Scanner in = new Scanner(System.in); String[] x = new String[1000]; ArrayList<User> users = new ArrayList<>();//创建一个存储用户的数组 TreeMap<String, User> mm = new TreeMap<>(); int i = 0 , count = 0; String [] str = new String[1000]; for(i = 0 ; i < 1000; i++) { x[i] = in.nextLine(); String []a = x[i].split(" "); if(x[i].equals("end")) break; else if(numberBegin(x[i]) != 0){//注册账户正确 String []num = a[0].split("-"); User user = new User(num[1]); for(int aa = 0 ;aa <= i ;aa++) { if (x[i].equals(x[aa])&&i!=0 &&i!= aa) break; if (aa == i) { users.add(user);//创建了一个用户 mm.put(num[1], user); str[count] = num[1]; count++; } } } else if(getType(x[i]) ){//通话记录格式正确 int j = 0,k = 0,time1 = 0,time2 = 0; String [] b = x[i].split(" "); String [] c = b[0].split("-");//把第一个拆分了 int [] pos1 = new int[3]; int [] pos2 = new int[3]; //找到两个日期的位置,把日期的数据加入进去 for(int num1 =0,num2 = 0; k < b.length; k++){ if(isDate(b[k])){ pos1[num1] = k; num1 ++; } if(isTime(b[k])){ pos2[num2] = k; num2 ++; } if(num1 == 2 && num2 ==2) break; } //全部格式正确 if(!x[i].equals("end")) { //判断第号码是手机还是电话 int phone1, phone2; int place1, place2; phone1 = numberCallRecordBegin(b[0]);//第一个号码是电话还是手机 //place1 是第一个号码所在的位置 //place2 是第二个号码所在的位置 if (phone1 == 1) {//座机 place1 = 0; phone2 = numberEnd(b[1]); if (phone2 == 1) place2 = 1; else place2 = 2; } else { place1 = 1; phone2 = numberEnd(b[2]); if (phone2 == 1) place2 = 2; else place2 = 3; } int isplace = place2; if(phone2 == 2) isplace = place2 - 1; for (j = 0; str[j] != null; j++) {//判断是打电话的吗? if (c[1].equals(str[j])) { time1++; break; } } for (k = 0; str[k] != null; k++) { if (b[isplace].equals(str[k])) { time2++; break; } } CallRecord callRecord = new CallRecord(); int result1 = 0; String startPlace = ""; if (phone1 == 1) result1 = getIsWhere(c[place1+1]); else result1 = getIsWhere(b[place1]); int result2 = 0;//开始地址 String endPlace = ""; result2 = getIsWhere(b[place2]); switch (result1) { case 1: startPlace = "市内"; break; case 2: startPlace = "省内"; break; case 3: startPlace = "国内"; break; } switch (result2) { case 1: endPlace = "市内"; break; case 2: endPlace = "省内"; break; case 3: endPlace = "国内"; break; } String startDate = b[pos1[0]] + " " + b[pos2[0]]; String endDate = b[pos1[1]] + " " + b[pos2[1]]; SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss"); Date date1 = simpleDateFormat.parse(startDate); Date date2 = simpleDateFormat.parse(endDate); callRecord.setStartTime(date1); callRecord.setEndTime(date2); callRecord.setCallingNumber(c[1]); callRecord.setAnswerNumber(b[1]); callRecord.setCallingAddressAreaCode(startPlace); callRecord.setAnswerAddressAreaCode(endPlace); if(phone1 == 1) result1 = result2; if (time1 == 1) switch (result1) {//加入数据 case 1: users.get(j).getUserRecords().addCallingInCityRecords(callRecord); break; case 2: users.get(j).getUserRecords().addCallingInProvinceRecords(callRecord); break; case 3: users.get(j).getUserRecords().addCallingInLandRecords(callRecord); break; } if (time2 == 1) switch (result2) {//加入数据 case 1: users.get(k).getUserRecords().addAnswerInCityRecords(callRecord); break; case 2: users.get(k).getUserRecords().addAnswerInProvinceRecords(callRecord); break; case 3: users.get(k).getUserRecords().addAnswerInLandRecords(callRecord); break; } } } } for(User user : mm.values()){ System.out.println(user.getNumber() +" "+ user.calCost() +" "+ user.calBalance() ); } } public int numberBegin(String a){//注册的账号的内容 if(a.matches("^[u][-][1][0-9]{10}[ ][1]")) return 2; else if(a.matches("^[u][-][0][0-9]{9,11}[ ][0]")) return 1; else return 0; } public boolean getType(String str) { String[] a = str.split(" "); boolean result = false; if (numberCallRecordBegin(a[0]) == 1) {//第一个是座机 if (numberEnd(a[1]) == 1) {//第二个是座机 if (isDate(a[2]) && isTime(a[3]) && isDate(a[4]) && isTime(a[5])) result = true; else result = false; } if (numberEnd(a[1]) == 2) {//第二个是手机 if (isDate(a[3]) && isTime(a[4]) && isDate(a[5]) && isTime(a[6]) && a[2].matches("^[0][0-9]{2,3}")) result = true; else result = false; } } if (numberCallRecordBegin(a[0]) == 2&& a[1].matches("^[0][0-9]{2,3}")) {//第一个是手机 if (numberEnd(a[2]) == 1 ) {//第二个是座机 if (isDate(a[3]) && isTime(a[4]) && isDate(a[5]) && isTime(a[6])) result = true; else result = false; } if (numberEnd(a[2]) == 2&& a[3].matches("^[0][0-9]{2,3}")) {//第二个是手机 if (isDate(a[4]) && isTime(a[5]) && isDate(a[6]) && isTime(a[7]) ) result = true; else result = false; } } return result; } public int numberCallRecordBegin(String a){//通话记录的格式是否正确 int result = 0; if(a.matches("^[t][-][1][0-9]{10}")) result = 2;//电话 else if(a.matches("^[t][-][0][0-9]{9,11}") ) result = 1;//座机 else result = 0; return result; } public int numberEnd(String a){//判断是打电话的内容 int result = 0; if(a.matches("^[1][0-9]{10}")) result = 2; else if(a.matches("^[0][0-9]{9,11}") ) result = 1; else result = 0; return result; } public boolean isDate(String str) {//判断日期的合法性 boolean result = true; SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd"); try { format.setLenient(false); format.parse(str); }catch (Exception e){ result = false; } return result; } public boolean isTime(String str){//判断时间是否合法 boolean result = true; SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss"); try { format.setLenient(false); format.parse(str); }catch (Exception e){ result = false; } return result; } public int getIsWhere(String str) { int result = 0; if (str.matches("^[0][7][9][1][0-9]{7,8}") || str.matches("[0][7][9][1]"))//市内电话 result = 1; else if (str.matches("[0][7][9][0-9][0-9]{7,8}") || str.matches("[0][7][9][0-9]"))//省内电话 result = 2; else if (str.matches("[0][7][0][1][0-9]{7,8}") || str.matches("[0][7][0][1]"))//省内电话 result = 2; else//国内电话 result = 3; return result; } // public void getType(String str){ // str.matches("^[t][-][0-9]{11,12}[ ]") // } } abstract class ChargeMode { private ArrayList<ChargeRule> chargeRules = new ArrayList<>(); private LandPhoneInProvinceRule landPhoneInProvinceRule = new LandPhoneInProvinceRule(); private LandPhoneInLandRule landPhoneInLandRule = new LandPhoneInLandRule(); private LandPhoneInCityRule landPhoneInCityRule = new LandPhoneInCityRule(); private MobilePhoneCallInCityRule mobilePhoneCallInCityRule = new MobilePhoneCallInCityRule(); private MobilePhoneAnswerInCityRule mobilePhoneAnswerInCityRule = new MobilePhoneAnswerInCityRule(); private MobilePhoneCallInProvinceRule mobilePhoneCallInProvinceRule = new MobilePhoneCallInProvinceRule(); private MobilePhoneAnswerInProvinceRule mobilePhoneAnswerInProvinceRule = new MobilePhoneAnswerInProvinceRule(); private MobilePhoneCallInLandRule mobilePhoneCallInLandRule = new MobilePhoneCallInLandRule(); private MobilePhoneAnswerInLandRule mobilePhoneAnswerInLandRule = new MobilePhoneAnswerInLandRule(); public ChargeMode(){ chargeRules.add(landPhoneInCityRule); chargeRules.add(landPhoneInProvinceRule); chargeRules.add(landPhoneInLandRule); chargeRules.add(mobilePhoneCallInCityRule); chargeRules.add(mobilePhoneAnswerInCityRule); chargeRules.add(mobilePhoneCallInProvinceRule); chargeRules.add(mobilePhoneAnswerInProvinceRule); chargeRules.add(mobilePhoneCallInLandRule); chargeRules.add(mobilePhoneAnswerInLandRule); } public ArrayList<ChargeRule> getChargeRules() { return chargeRules; } public void setChargeRules(ArrayList<ChargeRule> chargeRules) { this.chargeRules = chargeRules; } public abstract double calCost(UserRecords userRecords); public abstract double getMonthlyRent(); } class LandlinePhoneCharging extends ChargeMode{ private double monthlyRent = 20; public LandlinePhoneCharging(){ } @Override public double calCost(UserRecords userRecords) { //数据中有起始时间和终止时间 //打电话的地址和接电话的地址 //需要转换成数字 //需要 double cost1 = getChargeRules().get(0).calCost(userRecords.getCallingInCityRecords()); double cost2 = getChargeRules().get(1).calCost(userRecords.getCallingInProvinceRecords()); double cost3 = getChargeRules().get(2).calCost(userRecords.getCallingInLandRecords()); return cost1 + cost2 + cost3 ; } @Override public double getMonthlyRent() { return monthlyRent; } } class MobilePhoneCharging extends ChargeMode{ private double monthlyRent = 15; @Override public double calCost(UserRecords userRecords) { double cost4 = getChargeRules().get(3).calCost(userRecords.getCallingInCityRecords()); double cost5 = getChargeRules().get(4).calCost(userRecords.getAnswerInCityRecords()); double cost6 = getChargeRules().get(5).calCost(userRecords.getCallingInProvinceRecords()); double cost7 = getChargeRules().get(6).calCost(userRecords.getAnswerInProvinceRecords()); double cost8 = getChargeRules().get(7).calCost(userRecords.getCallingInLandRecords()); double cost9 = getChargeRules().get(8).calCost(userRecords.getAnswerInLandRecords()); return cost4 + cost5 + cost6 + cost7 + cost8 + cost9; } @Override public double getMonthlyRent() { return monthlyRent; } } abstract class ChargeRule { public abstract double calCost(ArrayList<CallRecord> callRecord); } abstract class CallChargeRule extends ChargeRule{ public abstract double calCost(ArrayList<CallRecord> callRecord); } class LandPhoneInLandRule extends CallChargeRule{//表明使用的电话在国内 @Override public double calCost(ArrayList<CallRecord> callRecord) {//这是一个数组 double second = 0,cost = 0,second1; for (int i = 0;i < callRecord.size() ;i++){ second = -(callRecord.get(i).getStartTime().getTime()-callRecord.get(i).getEndTime().getTime())/1000/60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.6; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } } class LandPhoneInProvinceRule extends CallChargeRule{//表明使用的电话在省内 @Override public double calCost(ArrayList<CallRecord> callRecord) {//打电话 double second = 0,cost = 0,second1 = 0; for (int i = 0;i < callRecord.size() ;i++){ second = -(callRecord.get(i).getStartTime().getTime()-callRecord.get(i).getEndTime().getTime())/1000/60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.3; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } } class LandPhoneInCityRule extends CallChargeRule{//表明使用的电话在市内 @Override public double calCost(ArrayList<CallRecord> callRecord) {//拨打的电话是在市内 double second = 0,cost = 0,second1 = 0; for (int i = 0;i < callRecord.size() ;i++){ second = -(callRecord.get(i).getStartTime().getTime()-callRecord.get(i).getEndTime().getTime())/1000/60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if(second > second1) second = second1 + 1; else second = second1; cost = cost + second * 0.1; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } } class MobilePhoneCallInCityRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) { double second = 0, cost = 0, second1 = 0; double price = 0; for (int i = 0; i < callRecord.size(); i++) { second = (callRecord.get(i).getEndTime().getTime() - callRecord.get(i).getStartTime().getTime()) /60000.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if (second > second1) second = second1 + 1; else second = second1; price = getPrice(callRecord,i);//确定单价 cost = cost + second * price; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } public double getPrice(ArrayList<CallRecord> callRecord,int i ){ double price = 0; if (callRecord.get(i).getCallingAddressAreaCode().equals("市内"))//打电话的在市内 if (callRecord.get(i).getAnswerAddressAreaCode().equals("市内")) price = 0.1; if (callRecord.get(i).getCallingAddressAreaCode().equals("市内"))//打电话的在市内 if (callRecord.get(i).getAnswerAddressAreaCode().equals("省内")) price = 0.2; if (callRecord.get(i).getCallingAddressAreaCode().equals("市内"))//打电话的在市内 if (callRecord.get(i).getAnswerAddressAreaCode().equals("国内")) price = 0.3; return price; } } class MobilePhoneAnswerInCityRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) { return 0; } } class MobilePhoneCallInProvinceRule extends CallChargeRule{//这些都是打电话的 @Override public double calCost(ArrayList<CallRecord> callRecord) { double second = 0, cost = 0, second1 = 0; double price = 0; for (int i = 0; i < callRecord.size(); i++) { second = -(callRecord.get(i).getStartTime().getTime() - callRecord.get(i).getEndTime().getTime()) / 1000 / 60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if (second > second1) second = second1 + 1; else second = second1; price = getPrice(callRecord,i);//确定单价 cost = cost + second * price; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } public double getPrice(ArrayList<CallRecord> callRecord,int i ){ double price = 0; if (callRecord.get(i).getCallingAddressAreaCode().equals("省内"))//打电话的在市内 price = 0.3; return price; } } class MobilePhoneAnswerInProvinceRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) { return 0; } } class MobilePhoneCallInLandRule extends CallChargeRule{//这些都是打电话的 @Override public double calCost(ArrayList<CallRecord> callRecord) { double second = 0, cost = 0, second1 = 0; double price = 0; for (int i = 0; i < callRecord.size(); i++) { second = -(callRecord.get(i).getStartTime().getTime() - callRecord.get(i).getEndTime().getTime()) / 1000 / 60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if (second > second1) second = second1 + 1; else second = second1; price = getPrice(callRecord,i);//确定单价 cost = cost + second * price; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } public double getPrice(ArrayList<CallRecord> callRecord,int i ){ double price = 0; if (callRecord.get(i).getCallingAddressAreaCode().equals("国内"))//打电话的在市内 price = 0.6; return price; } } class MobilePhoneAnswerInLandRule extends CallChargeRule{ @Override public double calCost(ArrayList<CallRecord> callRecord) { double second = 0, cost = 0, second1 = 0; double price = 0; for (int i = 0; i < callRecord.size(); i++) { second = -(callRecord.get(i).getStartTime().getTime() - callRecord.get(i).getEndTime().getTime()) / 1000 / 60.0; DecimalFormat df = new DecimalFormat("0"); second1 = Double.parseDouble(df.format(second)); if (second > second1) second = second1 + 1; else second = second1; price = getPrice(callRecord,i);//确定单价 cost = cost + second * price; DecimalFormat df1 = new DecimalFormat("0.0"); cost = Double.parseDouble(df1.format(cost)); } return cost; } public double getPrice(ArrayList<CallRecord> callRecord,int i ){ double price = 0; if (callRecord.get(i).getAnswerAddressAreaCode().equals("国内"))//打电话的在市内 price = 0.3; return price; } } class UserRecords { private ArrayList<CallRecord> callingInCityRecords = new ArrayList<>(); private ArrayList<CallRecord> callingInProvinceRecords = new ArrayList<>(); private ArrayList<CallRecord> callingInLandRecords = new ArrayList<>(); private ArrayList<CallRecord> answerInCityRecords = new ArrayList<>(); private ArrayList<CallRecord> answerInProvinceRecords = new ArrayList<>(); private ArrayList<CallRecord> answerInLandRecords = new ArrayList<>(); private ArrayList<MessageRecord> sendMessageRecords = new ArrayList<>(); private ArrayList<MessageRecord> receiveMessageRecords = new ArrayList<>(); public UserRecords() { } public void addCallingInCityRecords(CallRecord callRecord){ callingInCityRecords.add(callRecord); } public void addCallingInProvinceRecords(CallRecord callRecord){ callingInProvinceRecords.add(callRecord); } public void addCallingInLandRecords (CallRecord callRecord){ callingInLandRecords.add(callRecord); } public void addAnswerInCityRecords(CallRecord callRecord){ answerInCityRecords.add(callRecord); } public void addAnswerInProvinceRecords(CallRecord callRecord){ answerInProvinceRecords.add(callRecord); } public void addAnswerInLandRecords (CallRecord callRecord){ answerInLandRecords.add(callRecord); } public void addSendMessageRecords(MessageRecord messageRecord){ sendMessageRecords.add(messageRecord); } public void addReceiveMessageRecords(MessageRecord messageRecord){ receiveMessageRecords.add(messageRecord); } public ArrayList<CallRecord> getCallingInCityRecords() { return callingInCityRecords; } public ArrayList<CallRecord> getCallingInProvinceRecords() { return callingInProvinceRecords; } public ArrayList<CallRecord> getCallingInLandRecords() { return callingInLandRecords; } public ArrayList<CallRecord> getAnswerInCityRecords() { return answerInCityRecords; } public ArrayList<CallRecord> getAnswerInProvinceRecords() { return answerInProvinceRecords; } public ArrayList<CallRecord> getAnswerInLandRecords() { return answerInLandRecords; } public ArrayList<MessageRecord> getSendMessageRecords() { return sendMessageRecords; } public ArrayList<MessageRecord> getReceiveMessageRecords() { return receiveMessageRecords; } } abstract class CommunicationRecord{ protected String callingNumber; protected String answerNumber; public CommunicationRecord(){ } public String getCallingNumber() { return callingNumber; } public void setCallingNumber(String callingNumber) { this.callingNumber = callingNumber; } public String getAnswerNumber() { return answerNumber; } public void setAnswerNumber(String answerNumber) { this.answerNumber = answerNumber; } } class CallRecord extends CommunicationRecord{ private Date startTime; private Date endTime; private String callingAddressAreaCode; private String answerAddressAreaCode; public CallRecord(){ } public Date getStartTime() { return startTime; } public void setStartTime(Date startTime) { this.startTime = startTime; } public Date getEndTime() { return endTime; } public void setEndTime(Date endTime) { this.endTime = endTime; } public String getCallingAddressAreaCode() { return callingAddressAreaCode; } public void setCallingAddressAreaCode(String callingAddressAreaCode) { this.callingAddressAreaCode = callingAddressAreaCode; } public String getAnswerAddressAreaCode() { return answerAddressAreaCode; } public void setAnswerAddressAreaCode(String answerAddressAreaCode) { this.answerAddressAreaCode = answerAddressAreaCode; } //还有继承的方法没有实现 } class MessageRecord extends CommunicationRecord{ private String message; public MessageRecord(){ } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } //还有继承的方法没有实现 } class User { private UserRecords userRecords = new UserRecords();//用户记录 private double balance = 100;//余额 private ChargeMode chargeMode ;//计费方式 private String number = "";//号码 public User(String number) { this.number = number; if(number.matches("^[1][0-9]{10}")) this.chargeMode = new MobilePhoneCharging(); else this.chargeMode = new LandlinePhoneCharging(); } public double calBalance(){//总计剩余余额 return (balance - calCost() - chargeMode.getMonthlyRent()); } public double calCost(){//总计消费余额,这里面没有信息消费 double cost = chargeMode.calCost(userRecords); return cost; } public UserRecords getUserRecords() { return userRecords; } public void setUserRecords(UserRecords userRecords) { this.userRecords = userRecords; } public double getBalance() { return balance; } public void setBalance(double balance) { this.balance = balance; } public ChargeMode getChargeMode() { return chargeMode; } public void setChargeMode(ChargeMode chargeMode) { this.chargeMode = chargeMode; } public String getNumber() { return number; } public void setNumber(String number) { this.number = number; } }View Code
题目三:
实现一个简单的电信计费程序,针对手机的短信采用如下计费方式:
1、接收短信免费,发送短信0.1元/条,超过3条0.2元/条,超过5条0.3元/条。
2、如果一次发送短信的字符数量超过10个,按每10个字符一条短信进行计算。
输入:
输入信息包括两种类型
1、逐行输入南昌市手机用户开户的信息,每行一个用户。
格式:u-号码 计费类型 (计费类型包括:0-座机 1-手机实时计费 2-手机A套餐 3-手机短信计费)
例如:u-13305862264 3
座机号码由区号和电话号码拼接而成,电话号码包含7-8位数字,区号最高位是0。
手机号码由11位数字构成,最高位是1。
本题只针对类型3-手机短信计费。
2、逐行输入本月某些用户的短信信息,短信的格式:
m-主叫号码,接收号码,短信内容 (短信内容只能由数字、字母、空格、英文逗号、英文句号组成)
m-18907910010 13305862264 welcome to jiangxi.
m-13305862264 18907910010 thank you.
注意:以上两类信息,先输入所有开户信息,再输入所有通讯信息,最后一行以“end”结束。
设计与分析:设计出一个需要的正则来判断信息内容是否正确,
在添加一个判断出信息开户的正则表达式,注意对于信息内容要求
收费模式上添加心得收费方法,信息长短上的收费需要注意
计算上添加新的月租和算法
踩坑心得:对于短信的计费方式上,理解存在一定的问题,导致计算上有问题
信息的内容没有了解清楚,题目中的要求是:短信内容只能由数字、字母、空格、英文逗号、英文句号组成
我的切割函数时,切割的是以空格的方式,导致一直出错,无法对信息内容进行统计,在最后没办法的情况下,使用了信息长度加一的方式
总结:对于这次作业来说,更多的是设计,但是很多的设计都不是自己设计的,所以很多实现的是比较快的,但是最多的是自己的细节处理不够好,导致存在了很多的错误,在最开始的时候,我们应该 做出很多的需求分析,从不同的方面,大的框架上,到类的设计,再到需要的方法设计,对于自己需要哪些方法,需要的方法内容大体上如何设计,应该在最开始的时候设计好。对于书写代码的 时候,应该注意到自己的细节,而不是盲目的去写,有时候一个很小的错误,比如说等于号之类的,都会导致很大的错误,这些都是需要注意的,还有对于hashset,map,等等学会使用。对于自 己最近是学习到了很多,对于类的设计已经好了很多,细节上的处理已经有了很大的改变,也会对于一些抽象类接口的作用和使用方法上,有了很多新的认识,还有内部类的使用,foreach等等, 于我们写代码的人,需要有持之以恒的精神,不要总是过一会儿就放弃,对于错误的测试点,需要自己慢慢去啃,从教训中汲取经验,才能在最后开出花朵。
标签:10,题目,double,08,callRecord,second,ArrayList,new,public 来源: https://www.cnblogs.com/en-em-em/p/16384024.html
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