1、Java 實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)日期：2011 年 10 月 17 日實(shí)驗(yàn)機(jī)房與機(jī)號(hào)： _ 實(shí)驗(yàn)班級(jí)： _組員姓名學(xué)號(hào)：指導(dǎo)教師：劉壽強(qiáng)第三單元實(shí)驗(yàn)?zāi)康模赫莆贞愂雒嫦驅(qū)ο蟮乃枷?，通過創(chuàng)建類的實(shí)力來體現(xiàn)實(shí)驗(yàn)內(nèi)容：第三單元；實(shí)驗(yàn)步驟：3-2class DogStri ng color;int weight;public Dog(Stri ng color,i nt weight)this.color=color;this.weight=weight;public void showd()class CatString color;int weight;public Cat(String color,int

2、weight)this.color=color;this.weight=weight;public void showc()public class Apublic static void main(String args)Dog d1= new Dog( 黃色 ,100);Cat c1= new Cat( 白色 ,200);d1.showd();c1.showc();3-3class CarStri ng pi ng;double price;Stri ng date;public Car(Stri ng pin g,double price,Stri ng date) this.pi ng

3、=pi ng;this.price=price; this.date=date;public void show()public void qd()public void sc()3-4public void js()public class Apublic static void main( Stri ng args)Car car=new Car(奇瑞,3000,保修終生！);car.show();car.js();public class Con soleParamspublic static void main( Stri ng args) if (args .len gth20)el

4、se3-6class SExamstatic int num=0;public SExam()num+;public class StaticExampublic static void main(String args)SExam se1=new SExam();SExam se2=new SExam();SExam se3=new SExam();第四單元目的：掌握格式化轉(zhuǎn)換異常， 實(shí)驗(yàn)內(nèi)容：第四單元 步驟如下： public classNumberFormatExceptionText /* paramargs*/public static void main(String args)

5、/ TODOAuto-generated method stubint iArray=0,0;tryiArrayO=lnteger.parseInt (argsO);iArray1=lnteger.parseInt (args1);catch (ArrayIndexOutOfBoundsExceptione)System. out .pri ntl n(用戶輸入的數(shù)據(jù)不完整，程序使用默認(rèn)值代替：); catch (NumberFormatException e)System. out .println(用戶輸入的不全是數(shù)值型的數(shù)據(jù)，程序使用默認(rèn)值替代:);System.out .pri ntl

6、n( iArray0+ +iArray1+ = +(iArray0+iArray1);froblems緲Javidoc , Uaclarati on Lons：ol花5_ _ ._ _ _CtJws. Ajpli cats. 6ti C: Fr or irri FIISE用戶輜入的數(shù)據(jù)不憲整，程序便用默認(rèn)值代替：O-KJ=Opublic class ArithmeticExcepti on Text /*paranargs*/public static void main( Stri ng args) / TODOAuto-generated method stub tryint a=args

7、. length ;int b=42/a; catch (ArithmeticException e)System. out .println（除數(shù)不能夠?yàn)榱惆。。?Kterm 1 ikatedL. Ar 1 tiune ti cExcept i on；! ext Java Appl 1 oit C： Pr3igrm Fileimportpublic class NegativeIndexExceptionDemo public int getNumberOfRandomIndex(int iArray)throws NegativeIndexException除數(shù)不能夠?yàn)榱惆Random

8、random=newRandom();int index=random.nextInt();if (index0)throw new NegativeIndexException( this .getClass().getName()+.getNumberOfRandomIndex(int ) 方法不能夠處理自己所拋出的異常：索引值 +index+ 產(chǎn)出異常 );index=index%iArray. length ;return iArrayindex;public static void main(String args) int iArray=0,1,3,4,5,6,7,8,9;int

9、randomNumber=0;try ran domNumber=ewNegativel ndexExceptio nDemo().getNumberOfRa ndomI ndex(iArray); catch (NegativeIndexException e)System. out .println(e+ nmian 方法有能力處理該異常 t);randomNumber=Mathround( float )(Math. random()*10);System.out .println(產(chǎn)生隨機(jī)結(jié)果為+randomNumber);public class NegativeindexExcep

10、tionextends Exceptionpublic Negative in dexExceptio n()super (); public Negative in dexExcepti on( Stri ng message) super (message);第五單元一、實(shí)驗(yàn)?zāi)康模菏煜ふ莆蛰斎胼敵隽鞫?、?shí)驗(yàn)內(nèi)容：第五單元三、實(shí)驗(yàn)步驟練習(xí) 5-1 校驗(yàn)用戶密碼格式(1)程序代碼public class CheckPWpublic static void main( Stri ng args)Scanner sca nner=new Sca nn er(System.i n);String i

11、n putStri ng=sca nner.n extL in e();Stri ng regular=Aa-zA-Z$a-zA-Z$_0-97,19;if(inputString.matches(regular)else(2)運(yùn)行結(jié)果圖 5-1練習(xí) 5-2 轉(zhuǎn)換中文格式日期( 1 )程序代碼public class ChineseDatepublic static void main(String args)Date date=new Date(10,9,2011);String dateFormatStr= 北京時(shí)間 :ntH:mm:ssntEntyyyy-M-dd;SimpleDateF

12、ormat simpleFormat=new SimpleDateFormat(dateFormatStr);(2)運(yùn)行結(jié)果圖 5-2練習(xí) 5-3 萬年歷( 3)程序代碼import java.util.*;public class CalendarAutopublic static void main(String args)Scanner scanner=new Scanner(System.in);int params=new int2;for(int i=0;i12)params1=params1%13;if(params10)params1=12+params1%13;Calenda

13、r calendar=Calendar.getInstance();calendar.set(params0,params1-1,1);int firstIndex=calendar.get(Calendar.DAY_OF_WEEK)-1;char title=日, 一 , 二, 三, 四, 五 , 六;int daysArray=new int67;int day=1;for(int i=firstIndex;i7;i+)daysArray0i=day+;for(int i=1;i6;i+)for(int j=0;jdaysOfMonth(params0,params1)i=6;break;daysArrayij=day+;for(int i=0;i7;i+)for(int i=0;i6;i+)for(int j=0;j7;j+)private static int daysOfMonth(int year,int month)switch(month)case 1:case 3:case 5:case 7:case