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外文原文LEARNINGTHECONCEPTOFJAVAINHERITANCEINAGAMEJINGHUAZHANGELVIRARCALDWELLEMANUELSMITHDEPARTMENTOFCOMPUTERSCIENCEWINSTONSALEMSTATEUNIVERSITYWINSTONSALEM,NCZHANGJI,CALDWELLRWSSUEDUESMITH110RAMSWSSUEDUABSTRACTTHISPAPERPRESENTSAGAMELIKEMODULETITLEDJAVANINJATHATISDESIGNEDTOHELPSTUDENTSUNDERSTANDTHECONCEPTOFINHERITANCE,WHICHISONEOFTHEMOSTIMPORTANTCONCEPTSOFOBJECTORIENTEDPROGRAMMINGOOPTHISMODULEHASBEENUSEDANDEVALUATEDINTHECSC1311COMPUTERPROGRAMMINGIICLASSDURINGSPRING2013ATWINSTONSALEMSTATEUNIVERSITYTHEPRETEST,POSTTESTANDSURVEYWEREUSEDINTHEEVALUATIONPROCESSTHERESULTSWEREPROMISINGANDTHEFEEDBACKFROMSTUDENTSWASVERYPOSITIVEOUREXPERIENCESSHOWTHATTHISMODULEHASAPOSITIVEIMPACTONLEARNINGTHECONCEPTSOFINHERITANCEKEYWORDSOOPINHERITANCEGAMELIKEMODULECOMPUTERPROGRAMMINGIINTRODUCTIONRESEARCHSHOWSTHATTHEFEAROFPROGRAMMINGISONEOFTHEREASONSWHYSTUDENTSDONOTWANTTOMAJORINCOMPUTERSCIENCECONSIDERINGTHEDECLINESMANYSCHOOLSHAVESEENINCOMPUTERSCIENCEENROLLMENT,IMPROVINGSTUDENTINCLINATIONTOWARDSPROGRAMMINGCOULDPRODUCEABENEFICIALSHIFT1MANYINNOVATIVEAPPROACHESHAVEBEENPROPOSEDTOENHANCESTUDENTLEARNINGINCOMPUTINGCOURSES,SUCHASUSINGLEGOROBOTICS2ANDGAMES36,910,1213THEGAME2LEARNPROJECTATUNCCHARLOTTEHASBEENVERYSUCCESSFULINLEVERAGINGGAMESINIMPROVINGINTRODUCTORYCOMPUTINGCOURSES78THEEFFORTREQUIREDBYINSTRUCTORSTOINTEGRATEGAMESINTOTHECURRICULUMISUSUALLYQUITEMINIMALASSHOWNINTHECASESTUDY11SEVERALGAMELIKEINSTRUCTIONALMODULESHAVEBEENDEVELOPEDANDUSEDINTHECLASSROOMASASUPPLEMENTALTOOLTOREINFORCEPROGRAMMINGCONCEPTSOURSTUDENTSSTRUGGLEWITHMOST10,12,13STUDENTFEEDBACKWASVERYPOSITIVEANDTHEIMPACTONSTUDENTLEARNINGWASVERYPROMISINGOURPREVIOUSWORKMOTIVEDUSTOCOVERMOREPROGRAMMINGCONCEPTSINTHEGAMEPLAYMANYSTUDENTSHAVEHARDTIMESMASTERINGTHECONCEPTOFINHERITANCEWEDECIDEDTODEVELOPAGAMELIKEMODULETITLEDJAVANINJATOENHANCETHELEARNINGOFINHERITANCEINJAVATHEMODULECOVERSTHESUPERCLASSANDSUBCLASS,METHODOVERRIDINGANDTHECORRECTWAYTOUSETHEMINPROGRAMMINGTHEGAMEWILLBESTRAIGHTFORWARDENOUGHTHATNONGAMERSUNDERSTANDTHEPROCESSTHEMODULEPROVIDESRELEVANTFEEDBACKTHROUGHOUTTHEGAMEBASEDONTHEPLAYERSACTIONSSTUDENTSWILLTAKEATESTBEFOREANDAFTEREXPOSURETOTHEGAMEMODULEINORDERTOQUANTIFYTHEIMPACTOFTHEMODULEONLEARNINGANDUSINGTHETARGETEDCONCEPTSALLGAMERELATEDCODEWOULDBEREADILYAVAILABLEFORFUTURERESEARCHWITHTHEHOPETHATMETHODSUTILIZEDMAYBEREFINEDANDEXTENDEDWITHFUTUREWORKSTHEMODULEISINTENDEDTOBEFUNANDENTERTAININGYETHOLDSSOMEINSTRUCTIONALVALUETHEMODULECANBEUSEDASASUPPLEMENTALTOOLFORREINFORCINGTHECONCEPTSOFINHERITANCETHISPAPERDESCRIBESTHEDESIGNANDIMPLEMENTATIONOFTHISGAMELIKEINSTRUCTIONALMODULEINSECTIONIISECTIONIIIPRESENTSTHEEVALUATIONRESULTSTHECONCLUSIONANDFUTUREWORKAREINCLUDEDINSECTIONIVIGAMEDESIGNANDIMPLEMENTATIONTHEJAVANINJAWASDEVELOPEDINGAMEMAKERSTUDIO,AGAMEDEVELOPMENTENVIRONMENTTHATALLOWSDEVELOPERSTOCREATEGAMESFASTERTHROUGHDRAGANDDROPFEATURESANDGMLSCRIPTINGLANGUAGETHISGAMEMODULEWASDEVELOPEDBYTHEGAMEDEVELOPMENTGROUPINTHEDEPARTMENTOFCOMPUTERSCIENCEATWSSUTHEGROUPCONSISTSOFTHREEPROGRAMMERSANDTWOARTISTSITTOOKABOUTFOURMONTHSTOCREATETHEPROTOTYPEFORTHEGAMEAPREMISEINAMYSTERIOUSLAND,ANINJAVILLAGEHOLDSTHEPOWEROFTHEMAGICCRYSTAL,APOWERFULGEMTHATGIVESTHEPLAYERTHEABILITYTOCREATESPECIALIZEDNINJASTHENINJASCANUSETHISPOWERTOPROTECTTHELANDHOWEVER,ARIVALSAMURAICLANWANTSTOUSETHATPOWERTOCONQUERTHELANDTHEREFORE,ONEDAYTHESAMURAICLANLAUNCHESAMASSIVEATTACKAGAINSTTHENINJAVILLAGETHENINJASMUSTSTOPTHEMFROMTAKINGTHECRYSTALTHEPLAYERNEEDSTOFIGHTTHEENEMIESANDOBTAINTHEPOWERBOOKTHEPOWERBOOKSAREUSEDTOCREATESUBCLASSESSUCHAWATERNINJAORAFIRENINJAALLTYPESOFNINJASWILLWORKTOGETHERTODEFEATTHESAMURAI,OBTAINTHEMAGICCRYSTALANDPROTECTTHEVILLAGEFIG1SHOWSONEOFTHEGAMESCENESBGUIDEDTUTORIALTHEGAMEMODULESTARTEDWITHASHORTSTEPBYSTEPTUTORIALTOHELPTHEPLAYERLEARNTHECONTROLSFORTHEGAMEANDINHERITANCERELATEDCONCEPTSTHETUTORIALMAKESPLAYERSESPECIALLYNONGAMERSCOMFORTABLEWITHTHEGAMEPLAYTHEPLAYEROBTAINSALLTHETRAININGNEEDEDTOSUCCEEDINTHEGAMETHEPLAYERWILLREVIEWANDLEARNTHEINHERITANCERELATEDCONCEPTSTHROUGHINTERACTIVELEARNINGTHEPLAYERWILLBEGUIDEDTHROUGHTHETUTORIALANDLEARNHOWTOCREATESUBCLASSES,UNDERSTANDANDUSETHEPUBLICMEMBERSDEFINEDINTHESUPERCLASSANDMETHODOVERRIDINGNOHEAVYCODINGWASREQUIREDMOSTTASKSCANBEACHIEVEDTHROUGHDRAGANDDROPORBYPROVIDINGTHEREQUIREDKEYWORDSUMLISUSEDTOSHOWTHERELATIONSHIPSBETWEENTHESUBCLASSANDSUPERCLASSANOPTIONISPROVIDEDTOHIDE/SHOWTHEUMLOFTHECLASSESTHETRAINEDNINJAWILLMOVEFORWARDTHROUGHTHEGREENTUNNELTOTHEBATTLEFIELDTOPROTECTTHEVILLAGEASSHOWNINFIG2THEPLAYERNEEDSTOGOTHROUGHSEVERALSPELLGATESAFTERTHETRAININGASSHOWNINFIG3EACHSPELLGATEWILLTESTONTHECONCEPTSLEARNEDINTHEGAMEASSHOWNINFIG4THEGATEWILLOPENIFTHEPLAYERANSWERSTHEQUESTIONCORRECTLYIFTHEANSWERISWRONG,RELEVANTFEEDBACKWILLBEPROVIDEDTOHELPTHEPLAYERTOCORRECTITCCREATINGSUBCLASSESTHISSECTIONFOCUSESONHOWTOCREATEASUBCLASSFROMASUPERCLASSFIRENINJAANDWATERNINJAWILLBECREATEDTOADDRESSDIFFERENTSITUATIONSTHEYBOTHAREDERIVEDFROMTHEBASECLASSNINJAFIG5SHOWSANEXAMPLEOFHOWTOCREATETHEFIRENINJATHEWATERNINJACANBECREATEDINTHESAMEWAYFIG6SHOWSINSTANCESOFTHEFIRENINJAANDTHEWATERNINJATHERELATIONSHIPBETWEENTHESUBCLASSFIRENINJA/WATERNINJAANDSUPERCLASSNINJACANBESEENINTHEUMLDIAGRAMINFIG7DINHERITINGNONPRIVATEMEMBERSASUBCLASSCANINHERITTHEPUBLICANDPROTECTEDMEMBERSOFTHESUPERCLASSBOTHTHEFIRENINJAANDWATERNINJACANUSETHETWOPUBLICMETHODSFOLLOWANDSTANDDEFINEDINTHESUPERCLASSNINJATHESTUDENTPLAYERSWILLNEEDTOKNOWTOUSETHEFOLLOWMETHODDEFINEDINTHENINJACLASSWHENTHEFIRENINJAORTHEWATERNINJAISFOLLOWINGTHEPLAYEREMETHODOVERRIDINGINTHISSECTION,METHODOVERRIDINGISPRESENTEDBOTHTHEFIRENINJAANDWATERNINJAAREGOINGTOCREATETHEIROWNVERSIONOFTHEATTACKMETHODTHEATTACKMETHODDEFINEDINTHEFIRENINJAWILLHAVETHEPOWERTOSETAFIREHOWEVERTHEATTACKMETHODDEFINEDINTHEWATERNINJAWILLBEABLETOPUTOUTAFIREINTHESITUATIONSHOWNINFIG8,THEONLYWAYTOCLEARTHEROADISTORECEIVEHELPFROMTHEFIRENINJATHEWATERNINJACANUSETHEWATERATTACKTOSAVETHESITUATIONSHOWNINFIG9THEUMLPRESENTEDINFIG7SHOWSTHATBOTHTHEFIRENINJAANDWATERNINJAHAVETHEIROWNVERSIONOFTHEATTACKMETHODFREINFORCINGTHECONCEPTSWITHMOREGAMEPLAYTHEABOVEINHERITANCECONCEPTSAREREINFORCEDINDIFFERENTGAMEPLAYSANDINDIFFERENTFORMSFOREXAMPLE,EACHGATETHEPLAYERNEEDSTOPASSISADIFFERENTCLASSANDEACHISINHERITEDFROMANABSTRACTGATECLASSIIEVALUATIONTHISMODULEWASUSEDINTHECSC1311COMPUTERPROGRAMMINGIICLASSDURINGSPRING2013STUDENTSWERELECTUREDONTHECONCEPTOFINHERITANCEBYTHESAMEINSTRUCTORFORIMPACTEVALUATION,STUDENTSTOOKAPRETESTAFEWDAYSBEFOREPLAYINGTHEGAMEMODULEANDWEREADMINISTEREDAPOSTTESTAFEWDAYSAFTERTHEGAMEPLAYTHESAMEQUIZWASUSEDASTHEPRETESTANDPOSTTESTTHETESTQUESTIONSWEREDIRECTLYFROMTHETEXTBOOKADDITIONALLYASURVEYWASGIVENTOPROVIDEQUALITATIVERESULTSTOSUPPORTTHEQUANTITATIVEANALYSISTHESAMEGROUPOFSTUDENTSTOOKTHEPRETESTANDPOSTTESTTHETESTGROUPWASFAIRLYSMALLWITHFOURTEENPARTICIPANTSANDMOSTOFTHESTUDENTSWEREMINORITIESTHETESTQUESTIONSARELISTEDINTABLEIAPRETESTVSPOSTTESTTHEPRETESTANDPOSTTESTQUESTIONSWEREEXACTLYTHESAMETHETESTINCLUDEDFIVEQUESTIONSANDEACHWASWORTHTWENTYPOINTSFOURTEENSTUDENTSTOOKBOTHTHEPRETESTANDPOSTTESTONTHEPRETEST,ONLY50OFSTUDENTSMANAGEDTOACHIEVEGRADESOF60ORABOVETHEPRETESTRESULTSINDICATEDTHATOURSTUDENTSNEEDEDHELPONTHECONCEPTOFINHERITANCEWEAREGLADTOREPORTTHATTHEPOSTTESTRESULTDIDINDICATESOMEIMPROVEMENTSOFSTUDENTSPERFORMANCETHEPERCENTAGEOFSTUDENTSWHOREACHEDTHEPASSINGGRADEMARK60IS71THEAVERAGESCOREFORTHEPOSTTESTWASABOUT25HIGHERTHANTHEPRETESTAVERAGEFIG10SHOWSTHEPRETESTANDPOSTTESTQUESTIONBYQUESTIONCOMPARISONTHEYAXISSHOWSTHENUMBEROFSTUDENTSWHOANSWEREDEACHQUESTIONCORRECTLYASPRESENTEDINFIG10,MORESTUDENTSANSWEREDQUESTIONS2,3,AND4CORRECTLYINTHEPOSTTESTCOMPAREDTOTHEPRETESTITSEEMSTHATTHEMODULEDIDNOTHAVEANYIMPACTONTHESTUDENTSPERFORMANCEONQUESTIONS1AND5THECORRECTRATEFORQUESTION1ONTHEPRETESTISSOMEWHATHIGH,THEREFOREITISREASONABLETOSEENOFURTHERIMPROVEMENTINTHEPOSTTESTHOWEVER,FORQUESTION5,WEDIDNOTACQUIRETHEEXPECTEDIMPROVEMENTEVENTHOUGHTHECONCEPTSOFTHEMETHODOVERRIDINGHAVEBEENCOVEREDANDIMPLEMENTEDTWICEINTHEGAMEATTACKMETHODINTHEWATERNINJAANDFIRENINJA,THESPECIFICCONCEPTTHATFUNCTIONSWITHDIFFERENTPARAMETERTYPESDONOTOVERRIDETHEIRPARENTFUNCTIONSWASNOTCOVEREDWEWILLINTEGRATETHISFEATUREINOURFUTUREGAMEMODULEWEWEREPLEASEDWITHTHEIMPROVEMENTSSTUDENTSMADEONQUESTIONS2,3AND4THEIMPROVEMENTSONTHESEQUESTIONSINDICATEDTHATSTUDENTSBETTERUNDERSTOODSUBCLASSESANDTHERELATIONSHIPBETWEENSUPERCLASSESANDSUBCLASSESBSTUDENTFEEDBACKASURVEYWASCONDUCTEDTOCOLLECTFEEDBACK/COMMENTSFROMTHESTUDENTSTENSTUDENTSCOMPLETEDTHESURVEYONLINETHEOVERALLSTUDENTFEEDBACKWASPOSITIVEWITHTHEMAJORITYOFQUESTIONSRECEIVINGVERYHIGHRATINGSTHESURVEYCONSISTEDOFNINEMULTIPLECHOICEQUESTIONSANDONEOPENENDEDQUESTIONTHESURVEYUSEDALIKERTSCALESTRONGLYAGREE,AGREE,NEUTRAL,DISAGREEANDSTRONGLYDISAGREETABLEIISUMMARIZESTHESURVEYRESULTSWEAREPLEASEDTHATALLTHESTUDENTSENJOYEDPLAYINGTHEGAMEANDWANTEDTOSEEMORECONCEPTSCOVEREDUSINGTHISLEARNINGSTYLEACCORDINGTOTHESURVEY,MOSTSTUDENTSFELTTHISGAMELIKEINSTRUCTIONALMODULEHELPEDTHEMUNDERSTANDTHECONCEPTSRELATEDTOINHERITANCEBETTERADDITIONALCOMMENTSMADEBYSTUDENTSONTHEOPENENDEDQUESTIONSWEREVERYPOSITIVEWEAREDELIGHTEDTHATALLTHESTUDENTSENJOYEDPLAYINGTHEGAMEANDLEARNINGFROMAGAMEMODULESOMESTUDENTSBECAMEEXCITEDABOUTCOMPUTERSCIENCEANDEVENWANTTOJOINTHEGAMEDEVELOPMENTGROUPTOLEARNMOREIIICONCLUSIONSANDFUTUREWORKSTHERESULTSOFTHISINNOVATIONWEREPROMISINGWITHMOSTSTUDENTSSHOWINGSIGNIFICANTIMPROVEMENTTHEPERCENTAGEOFSTUDENTSWHOREACHEDTHEPASSINGGRADE60MARKINTHEPOSTTESTWAS21HIGHERTHANTHEPRETESTBASEDONTHEQUESTIONBYQUESTIONCOMPARISON,THENUMBEROFSTUDENTSWHOANSWEREDTHEQUESTIONSCORRECTLYINCREASEDINTHEPOSTTESTALLSTUDENTSRATEDTHEGAMEMODULEPOSITIVELYONTHEFOLLOWINGENJOYABLETOPLAYPROVIDERELEVANTFEEDBACKWOULDLIKETOSEEMORECONCEPTSCOVEREDTHISWAYWOULDRECOMMENDTOOTHERSBASEDONSUCHPOSITIVERESPONSES,STUDENTSOBVIOUSLYAREINTERESTEDINFURTHERDEVELOPMENTOFSUCHLEARNINGMODULESINTEGRATINGINTERACTIVELEARNINGINTOTHECOMPUTERSCIENCECURRICULUMAPPEARSTOBEABENEFICIALENDEAVORFORSTUDENTSTHISGAMELIKELEARNINGMODULEWILLBEREFINEDBASEDONTHEFEEDBACKSFROMSTUDENTSANDREVIEWCOMMENTSMADEBYTHEPROJECTADVISORYBOARDMEMBERSITWILLBEEXPANDEDTOCOVERMOREOBJECTORIENTEDPROGRAMMINGCONCEPTSSUCHASPOLYMORPHISMTHEREFINEDMODULEWILLBEUSEDINTHEUPCOMINGSEMESTERSASALEARNINGCOMPONENTINCOMPUTERPROGRAMMINGIICLASSESTHEJAVANINJAWILLBEMADEAVAILABLEONTHEPROJECTWEBSITEFORINSTRUCTORSANDSTUDENTSATOTHERINSTITUTIONSMANYTHANKSGOTOTHEGAMEDEVELOPMENTGROUPATWSSUFORTHEIRCONTRIBUTIONSTOTHISPAPER中文翻譯學(xué)習(xí)開(kāi)發(fā)游戲中JAVA繼承的概念摘要本文介紹了一種游戲般的模塊名為JAVA的忍者,旨在幫助學(xué)生理解繼承,這是面向?qū)ο缶幊蹋∣OP)的最重要的概念之一的概念。該模塊已被使用,在溫斯頓塞勒姆州立大學(xué)2013年春季期間,評(píng)估在CSC1311計(jì)算機(jī)程序設(shè)計(jì)類。前測(cè),后測(cè)和調(diào)查評(píng)價(jià)PROCESSTHE結(jié)果被用來(lái)為前途,從學(xué)生的反饋是非常積極的。我們的經(jīng)驗(yàn)表明,這種模塊對(duì)學(xué)習(xí)繼承的概念產(chǎn)生了積極影響。關(guān)鍵詞面向?qū)ο罄^承游戲般的模塊計(jì)算機(jī)編程引言研究表明,編程的恐懼就是為什么學(xué)生不希望主修計(jì)算機(jī)科學(xué)的原因之一??紤]到很多學(xué)校已經(jīng)看到了計(jì)算機(jī)科學(xué)入學(xué)的跌勢(shì),提高學(xué)生對(duì)編程的傾向可能會(huì)產(chǎn)生一個(gè)有益的轉(zhuǎn)變。已經(jīng)提出了許多創(chuàng)新的方法,以提高學(xué)生學(xué)習(xí)計(jì)算的課程,比如用樂(lè)高機(jī)器人和游戲。在北卡羅來(lái)納大學(xué)夏洛特GAME2LEARN項(xiàng)目已經(jīng)非常成功地利用游戲中提高計(jì)算入門課程。由導(dǎo)師所需要的努力,游戲融入課程通常很輕微,因?yàn)轱@示在案例研究。一些類似游戲的教學(xué)模塊已經(jīng)開(kāi)發(fā)并在課堂上作為輔助工具來(lái)強(qiáng)化編程概念的學(xué)生奮斗與大多數(shù)。學(xué)生的反饋是非常積極的,對(duì)學(xué)生學(xué)習(xí)的影響是非常有前途的。我們以前的工作MOTIVED我們覆蓋了更多的游戲編程概念。許多學(xué)生有困難的時(shí)候掌握繼承的概念。我們決定開(kāi)發(fā)一個(gè)類似游戲的模塊名為JAVA的忍者,以提高繼承了JAVA的學(xué)習(xí)。該模塊覆蓋了超類和子類,方法重載,并使用他們?cè)诰幊痰恼_方法。本場(chǎng)比賽將是足夠直截了當(dāng),非游戲玩家理解的過(guò)程。該模塊提供整個(gè)相關(guān)反饋基于玩家的動(dòng)作游戲。學(xué)生將需要測(cè)試曝光到游戲模塊之前和之后,以量化模塊的學(xué)習(xí)和使用對(duì)象的概念的影響。所有游戲相關(guān)的代碼將是現(xiàn)成的,希望使用的方法可以完善和擴(kuò)大與將來(lái)的工作將來(lái)的研究。該模塊是為了好玩和有趣又保持一定的指導(dǎo)價(jià)值。該模塊可以作為一個(gè)補(bǔ)充工具用于增強(qiáng)繼承的概念。本文介紹了這個(gè)游戲,就像在第二節(jié)教學(xué)模塊的設(shè)計(jì)和實(shí)現(xiàn)。第三節(jié)介紹了評(píng)價(jià)結(jié)果。結(jié)論和未來(lái)的工作都包括在第四節(jié)。一、游戲設(shè)計(jì)與實(shí)現(xiàn)JAVA的忍者是在游戲制作工作室,游戲開(kāi)發(fā)環(huán)境,使開(kāi)發(fā)人員能夠更快地創(chuàng)建游戲,通過(guò)拖動(dòng)和拖放功能和GML腳本語(yǔ)言開(kāi)發(fā)的。這個(gè)游戲模塊是由計(jì)算機(jī)科學(xué)WSSU部門的游戲開(kāi)發(fā)小組開(kāi)發(fā)。該小組由三個(gè)程序員和兩位藝術(shù)家?;思s四個(gè)月來(lái)創(chuàng)建原型來(lái)進(jìn)行游戲。A前提在一片神秘的土地,一個(gè)忍者村持有的魔晶,一個(gè)強(qiáng)大的寶石,讓玩家建立專門的忍者能力的力量。忍者可以使用這項(xiàng)權(quán)力,以保護(hù)土地。然而,對(duì)手武士戰(zhàn)隊(duì)要使用該權(quán)力征服的土地。所以,有一天,武士家族推出針對(duì)忍者村大舉進(jìn)攻。忍者必須采取的水晶阻止他們。玩家需要對(duì)抗的敵人,并獲得功率的書(shū)。電源書(shū)用于創(chuàng)建子類這樣的WATERNINJA或FIRENINJA。所有類型的忍者將攜手打敗日本武士,獲得魔晶,保護(hù)村莊。B指導(dǎo)教程游戲模塊開(kāi)始用短一步一步的教程,以幫助玩家學(xué)習(xí)控制的游戲和繼承相關(guān)的概念。本教程使球員,尤其是NONGAMERS舒適的游戲體驗(yàn)。玩家獲得的所有的游戲。玩家成功所需的培訓(xùn)將通過(guò)互動(dòng)學(xué)習(xí)回顧和學(xué)習(xí)繼承相關(guān)的概念。玩家將通過(guò)本教程的指導(dǎo)和學(xué)習(xí)如何創(chuàng)建子類,理解和使用的超類方法重載定義的公共成員。沒(méi)有沉重的編碼是必需的大多數(shù)的任務(wù)可以通過(guò)拖放或者通過(guò)提供所需要的關(guān)鍵字來(lái)實(shí)現(xiàn)。UML是用來(lái)顯示子類和父類之間的關(guān)系。提供隱藏/選項(xiàng)顯示類的UML。玩家需要如圖培訓(xùn)后要經(jīng)過(guò)幾個(gè)咒語(yǔ)門。各拼柵極將測(cè)試對(duì)在游戲中了解到。如果玩家正確回答問(wèn)題的大門將打開(kāi)。如果答案是錯(cuò)的,相關(guān)的反饋將被用來(lái)幫助玩家解決ITC創(chuàng)建子類本節(jié)將重點(diǎn)介紹如何從超類創(chuàng)建一個(gè)子類。FIRENINJA和WATERNINJA將被創(chuàng)建,以滿足不同的情況。他們倆都來(lái)源于基類忍者。該WATERNINJA可以以同樣的方式被創(chuàng)建。D繼承非私有成員子類可以繼承父類的PUBLIC和PROTECTED成員。無(wú)論是FIRENINJA和WATERNINJA可以使用兩個(gè)公共方法(遵循()和待機(jī)()在超類中定義的忍者。學(xué)生玩家需要知道使用如下()方法中的忍者類中定義的FIRENINJA或WATERNINJA是繼PLAYERE時(shí)。方法重載在本節(jié)中,壓倒一切的方法提出。無(wú)論是FIRENINJA和WATERNINJA要?jiǎng)?chuàng)建他們自己的版本的攻擊()方法。在FIRENINJA定義的攻擊()方法,就必須設(shè)置一個(gè)FIREHOWEVER在WATERNINJA定義的攻擊()方法就可以撲滅火災(zāi)的能力。在圖中所示的情況。問(wèn)路的唯一途徑是從FIRENINJA得到幫助。例如,每個(gè)門玩家需要通過(guò)為不同的類別,每一方都從抽象大門

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