《類和對象》作業(yè)代碼Word版

1、傳播優(yōu)秀Word版文檔 ，希望對您有幫助，可雙擊去除！1、一個(gè)景區(qū)根據(jù)游人的年齡收取不同價(jià)格的門票。請編寫游人類，根據(jù)年齡段決定能夠購 買的門票價(jià)格并輸出 package com.entity; /實(shí)體包import java.util.Scanner;public class Visitor public String name;public String age;public void show()Scanner input=new Scanner(System.in);while(!n.equals(name)System.out.print(請輸入年齡：);int age=input.

2、nextInt();if(age50)System.out.println(name+的年齡是：+age+,門票免費(fèi));elseSystem.out.println(name+的年齡是：+age+,門票為20元);System.out.print(請輸入姓名：);name=input.next(); import java.util.Scanner; /測試包import com.entity.*;public class test2 public static void main(String args) Visitor visitor=new Visitor();Scanner input

3、=new Scanner(System.in);System.out.print(請輸入姓名：);=input.next();visitor.show(); System.out.println(退出程序！)； 2、 輸入舊的用戶名和密碼，如果正確，方有權(quán)限更新；從鍵盤獲取新的密碼，進(jìn)行更新import java.util.Scanner;public class Bank public String user=; public int password=0; public void show() Scanner input=new Scanner(System.in)

4、;for(;)System.out.println(請輸入用戶名：);String user1=input.next();System.out.println(請輸入密碼：);int password1=input.nextInt();if(user1.equals(bank1.user) & password1=bank1.password) System.out.println(登錄成功，可以做修改了); System.out.println(請輸入新用戶名：); String newname=input.next(); System.out.println(請輸入新密碼：); int n

5、ewpassword=input.nextInt(); System.out.println(新用戶名是：+newname+,新密碼是： +newpassword); break;elseSystem.out.println(用戶名或密碼錯(cuò)誤，請重新登錄);import com.*;public class Bank2 public static void main(String args)Bank bank1=new Bank();bank1.user=admin1;bank1.password=111111;bank1.show();3、 小明過生日，爸爸送他一個(gè)電動(dòng)獅子玩具，編程測試這個(gè)

6、獅子能否正常工作 package com.entity1; public class Xiyouji public String color=黃色;public String run() return正在瘋狂地跑,;public void sound()System.out.println(并且唱著歌);public String getcolor()return color;public void showLion()System.out.print(這是一只+getcolor()+的小獅子,);import com.entity1.*;public class Xiyouji1 publi

7、c static void main(Stringargs)Xiyouji lion=new Xiyouji();lion.showLion();System.out.print(lion.run();lion.sound(); 4、從鍵盤接收三門課分?jǐn)?shù)，計(jì)算三門課的平均分和總成績，編寫成績計(jì)算類實(shí)現(xiàn)功能package com.entity1;import java.util.Scanner;public class Xiyouji Scanner input=new Scanner(System.in);public int sum;public double avg;public void

8、 score()System.out.print(請輸入java成績：);int java_score=input.nextInt();System.out.print(C#成績：);int c_score=input.nextInt();System.out.print(請輸入DB成績:);int DB_score=input.nextInt();sum=java_score+c_score+DB_score;avg=sum/3;public void showScore()System.out.print(總成績是：+sum+,平均分是：+avg);import com.entity1.*

9、;public class Xiyouji1 public static void main(Stringargs) Xiyouji score1=new Xiyouji(); score1.score(); score1.showScore(); 5、編寫手機(jī)類（Phone）：可以下載音樂，可以播放這些音樂，可以進(jìn)行充電package com.entity1;public class Xiyouji public String brand=華為;public String downloadMusic() return安靜-周杰倫;public String playMusic()return

10、同時(shí)播放著下載的音樂：+downloadMusic();public void charge()System.out.print(正在充電,);import com.entity1.*;public class Xiyouji1 public static void main(Stringargs) Xiyouji phone=new Xiyouji(); phone.brand=華為手機(jī); System.out.print(phone.brand);/ phone.brandPhone(); phone.charge(); System.out.print(phone.playMusic()

11、; 6、在實(shí)現(xiàn)了增加一個(gè)學(xué)生姓名的基礎(chǔ)上，增加學(xué)生的學(xué)號、年齡和成績，并顯示這些信息，如何實(shí)現(xiàn)？package com.entity1;public class Student public int number;public String name;public int age;public int score;static Student students=new Student 2;/static意思是靜態(tài)，可以修飾類、字段、屬性、方法，標(biāo)記為static的就不用創(chuàng)建實(shí)例對象調(diào)用 public static void show()for(int i=0;i2;i+)System.out.

12、println(studentsi.number+t++t+studentsi.age+t+studentsi.score);public void addStudent(Student stu)for(int i=0;istudents.length;i+)if(studentsi=null)studentsi=stu;break;package test;import com.entity1.Student;public class StudentTest public static void main(String args) Student student1

13、=new Student();student1.number=1000;=張三;student1.age=22;student1.score=80;Student student2=new Student();student2.number=1002;=張二;student2.age=21;student2.score=75;Student student=new Student();student.addStudent(student1);student.addStudent(student2);student.show();7、注冊新用戶

14、，要求密碼長度不能小于6位import java.util.*;public class Charset public static void main(String args) Scanner input=new Scanner(System.in);System.out.print(請輸入用戶名：);String username=input.next();System.out.print(請輸入密碼：);String password=input.next();if(password.length()6) flag=true; return flag; import com.entity

15、1.*;import java.util.Scanner;public class charsetTest public static void main(String args) /注冊Scanner input=new Scanner(System.in);System.out.print(請輸入用戶名：);String username1=input.next();System.out.print(請輸入密碼：);String password1=input.next();Charset charset=new Charset();boolean flag=charset.registe

16、r(password1);if(password1.length()=6)System.out.println(注冊成功);elseSystem.out.println(密碼的長度不能小于6);/登錄驗(yàn)證System.out.print(請輸入用戶名：);String username2=input.next();System.out.print(請輸入密碼：);String password2=input.next();/if(username2.equalsIgnoreCase(username2) & (password2.equalsIgnoreCase(password1)if(us

17、ername2.toLowerCase().equals(username2).toLowerCase() & (password2.toUpperCase().equals(password1).toUpperCase()System.out.println(登錄成功！);elseSystem.out.println(用戶名或密碼錯(cuò)誤，登錄失?。?;8、判斷.java文件名是否正確，判斷郵箱格式是否正確import java.util.*;public class CharsetTest4 public static void main(String args)System.out.prin

18、tln(-歡迎進(jìn)入作業(yè)提交系統(tǒng)-);Scanner input=new Scanner(System.in);System.out.print(請輸入java文件名：);String name=input.next();String str=name.substring(name.indexOf(.)+1,name.length();if(name.indexOf(.)!=0 & name.indexOf(.)!=-1 & str.equals(java) System.out.println(有效java文件);elseSystem.out.println(無效java文件);System.

19、out.print(請輸入你的郵箱:);String email=input.next();if(email.indexOf()!=-1 & email.indexOf(.)!=-1 & email.indexOf(.)email.indexOf()System.out.println(作業(yè)提交成功);elseSystem.out.println(java文件或email無效，提交失敗); 9、 有一段歌詞，每句都以空格“ ”結(jié)尾，請將歌詞每句按行輸出 public class CharsetTest5 public static void main(String args) String w

20、ords=長亭外,古道邊,芳草碧連天,晚風(fēng)扶,柳笛聲殘,夕陽山外山;String word=new String 100;System.out.println(原格式：n+words);System.out.println(拆分后的格式：);word=words.split(,);for (String s1 : word) System.out.println(s1+t);/for(int i=0;iword.length;i+)/System.out.println(wordi);/10、import java.util.*;public class DVDMgr Scanner inpu

21、t=new Scanner(System.in);DvdSet dvd=new DvdSet 5;public void initial()dvd0=new DvdSet();=羅馬度假;dvd0.state=0;dvd0.date=2013-7-1;dvd1=new DvdSet();=風(fēng)聲鶴唳;dvd1.state=1;dvd1.date=;dvd2=new DvdSet();=浪漫滿屋;dvd2.state=1;dvd2.date=;public void startMenu() /菜單切換boolean flag=false;doi

22、nt choice=0;System.out.println(1.新增DVD);System.out.println(2.查看DVD);System.out.println(3.刪除DVD);System.out.println(4.借出DVD);System.out.println(5.歸還DVD);System.out.println(6.退 出);System.out.print(請選擇：);boolean flag1=input.hasNextInt();if(flag1) choice=input.nextInt();switch(choice)case 1:System.out.p

23、rintln(此處實(shí)現(xiàn)新增DVD);System.out.println(*);break;case 2:System.out.println(此處實(shí)現(xiàn)查看DVD);System.out.println(*);break;case 3:System.out.println(此處實(shí)現(xiàn)刪除DVD);System.out.println(*);break;case 4:System.out.println(此處實(shí)現(xiàn)借出DVD);System.out.println(*);break;case 5:System.out.println(此處實(shí)現(xiàn)歸還DVD);System.out.println(*);

24、break;default:System.out.println(輸入錯(cuò)誤，請重新輸入：);flag=true; break; elseSystem.out.println(輸入錯(cuò)誤，請重新輸入：);flag1=true;continue;/System.out.print(n輸入0返回主菜單：);/int num=input.nextInt();/if(num=0)/continue;/else/System.out.println(輸入錯(cuò)誤,請重新輸入0：);/flag=true;/while(flag);public void showDvd() System.out.println(t

25、序號t狀態(tài)t借出日期); int count=1; for(int i=0;idvd.length;i+) System.out.println(count+t+dvdi.state +t++t+dvdi.date); count+; System.out.println(*); public class DvdSet String name;int state;String date;import java.util.*;import com.entity1.*;public class Start public static void main(String args)

26、DVDMgr mgr=new DVDMgr();Scanner input=new Scanner(System.in); System.out.println(歡迎使用迷你DVD管理器); System.out.println(-); mgr.startMenu(); 11、 某汽車租賃公司出租多種車輛，車型及租金情況如下：轎車客車（金杯、金龍）車型別克商務(wù)艙GL8寶馬550i別克林蔭大道16座日租費(fèi)(元/天)6005003008001500public abstract class MotoVehicle /父類protected String no=null;private String

27、 brand=null;private String color=null;private String mileage=null;int sum;public abstract int Calcrent(int days); /抽象方法public class Car extends MotoVehicleprivate int type; /屬性public Car(String NO, int type) /構(gòu)造方法this.no=no;this.type=type;public int Calcrent(int days) /方法重寫return 0;public int Calcrent(int days,int type) /方法重載switch(type)case 1:sum=600*days;break;case 2:sum=500*days;break;case 3:sum=300*days;break;System.out.println(租賃費(fèi)用為：+sum+元);return sum;public final class Bus extends MotoVehicleprivate int seatcount; /屬性public Bus(String no, int seatcount) /構(gòu)造方法this.no=no;this.s