1208060201徐春霞 (2)

9.2 Design and implement a set of classes that define the employees of a hospital: doctor , nurse , administrator , surgeon , receptionist , janitor , and so on . Include methods in each class that are named according to the services provided by that person and that print an appropriate message . Create a main driver class to instantiate and exercise several of the classes.设计和实现的一组类,定义一个医院的员工:医生,护士,管理员,外科医生,接待员,看门人,等等。包括每个类中的方法,根据提供的服务命名人,打印一个适当的消息。创建一个主要驱动力类实例化和锻炼的几类package one;import java.util.Scanner;public class one public static void main(String args) Scanner input = new Scanner(System.in);while (true) System.out.println(请输入在医院的职位:);System.out.println(1代表 doctor,2 代表 nurse,3 代表 surgeon,+ 4 代表 janitor,5代表 administer,6代表receptionist);int a = input.nextInt();switch (a) case 1:doctor a1 = new doctor();a1.doctor();break;case 2:nurse a2 = new nurse();a2.nurse();break;case 3:surgeon a3 = new surgeon();a3.surgeon();break;case 4:janitor a4 = new janitor();a4.janitor();break;case 5:administer a5 = new administer();a5.administer();break;case 6:receptionist a6 = new receptionist();a6.receptionist();break; System.out.println(Do you want to continue?(Y or N);String key = input.next();if (key.equalsIgnoreCase(n) System.out.println(Thanks for your usingGoogBye);break;static class doctor public static void doctor() System.out.println( 我是一名医生！n如果你生病了我可以治愈你！);static class nurse public static void nurse() System.out.println(我是一名护士！n如果你生病了我可以照顾你！);static class administer public static void administer() System.out.println(我是一名管理员！n我可以管理医院中的所有员工！);static class janitor public static void janitor() System.out.println(我是一名门卫！n我可以确保医院的安全！);static class surgeon public static void surgeon() System.out.println(我是一名外科医生！n如果你受伤我可以给你做手术！);static class receptionist public static void receptionist() System.out.println(我是一名接待员！n让你感到宾至如归的感觉！);9.3 Design and implement a set of classes that define various types of reading material: books , novels , magazines , technical journals , textbooks , and so on . Include data values that describe various attributes of the material , such as the number of pages and the names of the primary characters. Include methods that are named appropriately for each class and that print an appropriate message . Create a main driver class to instantiate and exercise several of the classes.设计和实现一组类定义各种类型的阅读材料:书籍、小说、杂志、技术期刊,教科书等等。包括数据值来描述材料的各种属性,如页面的数量和主要人物的名字。包括适当的方法命名为每个类和打印一个适当的消息。创建一个主要驱动力类实例化和锻炼的几类package one;import java.util.Scanner;public class one public static void main(String args) Scanner input = new Scanner(System.in);while (true) System.out.println(请输入书的种类:);System.out.println(1代表book,2 代表 novel,3 代表 magazine,+ 4 代表 technologyjournal,5代表 text);int a = input.nextInt();switch (a) case 1:book a1 = new book();a1.book();break;case 2:novel a2 = new novel();a2.novel();break;case 3:magazine a3 = new magazine();a3.magazine();break;case 4: technologyjournal a4 = new technologyjournal();a4. technologyjournal();break;case 5:text a5 = new text();a5.text();break;System.out.println(Do you want to continue?(Y or N);String key = input.next();if (key.equalsIgnoreCase(n) System.out.println(Thanks for your usingGoogBye);break;static class book public static void book() System.out.println( 这部书的页数是80页，主要人物的名字是Sam);static class novel public static void novel() System.out.println(这部小说的页数是300页，主要人物的名字是林黛玉和贾宝玉);static class magazine public static void magazine() System.out.println(这部杂志的页数是40页，主要人物的名字是Bob);static class technologyjournalpublic static void technologyjournal() System.out.println(这部技术期刊的页数是110页，主要人物的名字是act);static class text public static void text() System.out.println(这部课本的页数是230页，主要人物的名字是Alice);9.4 Design and implement a set of classes that keeps track of various sports statistics. Have each low-level class represent a specific sport . Tailor the services of the classes to the sport in question , and move common attributes to the higher-level classes as appropriate . Create a main driver class to instantiate and exercise several of the classes.设计和实现一套类,各种运动的跟踪统计。有每个低级类代表一个特定的运动。定制服务类的运动,并将公共属性移动到更高级的课程。创建一个主要驱动力类实例化和锻炼的几类。package one;import java.util.Scanner;public class one public static void main(String args) Scanner input = new Scanner(System.in);while (true) System.out.println(请输入一种运动:);System.out.println(1代表basketball,2 代表banminton ,3 代表pingpang ,);int a = input.nextInt();switch (a) case 1:basketball a1 = new basketball();a1.basketball();break;case 2:banminton a2=new banminton (); a2.banminton(); break;case 3:pingpang a3 = new pingpang();a3. pingpang();break;System.out.println(Do you want to continue?(Y or N);String key = input.next();if (key.equalsIgnoreCase(n) System.out.println(Thanks for your usingGoogBye);break;static class basketball public static void basketball() System.out.println( 打篮球的男生比较多);static class banmintonpublic static void banminton() System.out.println(羽毛球是一种很常见的运动方式);static class pingpangpublic static void pingpang() System.out.println(中国的乒乓球团队比较厉害);9.5 Design and implement a set of classes that keeps track of demographic information about a set of people , such as age , nationality , occupation , income , and so on . Design each class to focus on a particular aspect of data collection . Create a main driver class to instantiate and exercise several of the classes.设计和实现一套类跟踪人口信息的一组人,比如年龄、国籍、职业、收入等。每个类设计数据收集的专注于一个特定的方面。创建一个主要驱动力类实例化和锻炼的几类。package one;import java.util.Scanner;public class one public static void main(String args) Scanner input = new Scanner(System.in);while (true) System.out.println(请输入人口信息调查的一个方面:);System.out.println(1代表age,2 代表 nationality,3 代表 profession,+ 4 代表 income);int a = input.nextInt();switch (a) case 1:age a1 = new age();a1.age();break;case 2:nationality a2=new nationality(); a2.nationality(); break;case 3: profession a3 = new profession();a3. profession();break;case 4:income a4 = new income();a4. income();break;System.out.println(Do you want to continue?(Y or N);String key = input.next();if (key.equalsIgnoreCase(n) System.out.println(Thanks for your usingGoogBye);break;static class age public static void age() System.out.println( BOb的平均年龄80);static class nationality public static void nationality() System.out.println(Bob的国籍是美国);static class profession public static void profession() System.out.println(Bob的职业是作家);static class incomepublic static void income() System.out.println(Bob的收入是每年100万);5.import java.util.Scanner;interface compareTopublic abstract float compare(student a); class student implements compareToint number;String name;float C_socre;float java_socre;float Chinese_socre;Scanner r=new Scanner(System.in); public float compare(student a)return average()-a.average();student(int nu,String na,float c,float j,float C)number=nu;name=na;C_socre=c; java_socre=j; Chinese_socre=C;student()this(0,0,0,0);void get() System.out.println(请依次输入下列学生信息：n名字 学号 c成绩 java成绩 语文成绩); name=r.next(); number=r.nextInt(); C_socre=r.nextFloat(); java_socre=r.nextFl