Practice4.docx
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- 上传时间:2023-07-03
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Practice4.docx
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Practice4
Practice4
(1)CREATINGASTATICMETHODTHATREQUIRESNOARGUMENTSANDRETURNSNOVALUES
publicclassSetUpSite
{
publicstaticvoidmain(String[]args)
{
statementOfPhilosophy();
}
publicstaticvoidstatementOfPhilosophy()
{
System.out.println("EventHandlersIncorporatedis");
System.out.println("dedicatedtomakingyourevent");
System.out.println("amostmemorableone.");
}
}
(2)CALLINGASTATICMETHODFROMANOTHERCLASS
publicclassTestStatement
{
publicstaticvoidmain(String[]args)
{
System.out.println("Callingmethodfromanotherclass");
SetUpSite.statementOfPhilosophy();
}
}
(3)CREATINGASTATICMETHODTHATACCEPTSARGUMENTSANDRETURNSVALUES
importjava.util.Scanner;
publicclassSetUpSite2
{
publicstaticvoidstatementOfPhilosophy()
{
System.out.println("EventHandlersIncorporatedis");
System.out.println("dedicatedtomakingyourevent");
System.out.println("amostmemorableone.");
}
publicstaticvoidmain(String[]args)
{
statementOfPhilosophy();
finalintFOUNDED_YEAR=1977;
intcurrentYear;
intage;
Scannerinput=newScanner(System.in);
System.out.print("Enterthecurrentyearasafour-digitnumber");
currentYear=input.nextInt();
age=calculateAge(FOUNDED_YEAR,currentYear);
System.out.println("Foundedin"+FOUNDED_YEAR);
System.out.println("Servingyoufor"+age+"years");
}
publicstaticintcalculateAge(intoriginYear,intcurrDate)
{
intyears;
years=currDate-originYear;
returnyears;
}
}
(4)CREATINGACLASSTHATCONTAINSINSTANCEFIELDSANDMETHODS
publicclassEventSite
{
privateintsiteNumber;
publicintgetSiteNumber()
{
returnsiteNumber;
}
publicvoidsetSiteNumber(intn)
{
siteNumber=n;
}
}
(5)CREATINGACLASSTHATINSTANTIATESOBJECTSOFANOTHERCLASS
importjava.util.Scanner;
publicclassSetUpSite3
{
publicstaticvoidstatementOfPhilosophy()
{
System.out.println("EventHandlersIncorporatedis");
System.out.println("dedicatedtomakingyourevent");
System.out.println("amostmemorableone.");
}
publicstaticvoidmain(String[]args)
{
EventSiteoneSite=newEventSite();
intsiteNum;
statementOfPhilosophy();
finalintFOUNDED_YEAR=1977;
intcurrentYear;
intage;
Scannerinput=newScanner(System.in);
System.out.print("Enterthecurrentyearasafour-digitnumber");
System.out.println("Thesitenumberis"+oneSite.getSiteNumber());
currentYear=input.nextInt();
age=calculateAge(FOUNDED_YEAR,currentYear);
System.out.println("Foundedin"+FOUNDED_YEAR);
System.out.println("Servingyoufor"+age+"years");
System.out.print("Entertheeventsitenumber");
siteNum=input.nextInt();
oneSite.setSiteNumber(siteNum);
}
publicstaticintcalculateAge(intoriginYear,intcurrDate)
{
intyears;
years=currDate-originYear;
returnyears;
}
}
(6)ADDINGACONSTRUCTORTOACLASS
publicclassEventSite
{
privateintsiteNumber;
publicEventSite()
{
siteNumber=999;
}
publicintgetSiteNumber()
{
returnsiteNumber;
}
publicvoidsetSiteNumber(intn)
{
siteNumber=n;
}
}
publicclassTestConstructor
{
publicstaticvoidmain(String[]args)
{
EventSiteoneSite=newEventSite();
System.out.println("Sitenumber"+
oneSite.getSiteNumber());
}
}
(7)CREATINGAMORECOMPLETECLASS
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- Practice4