Getter and Setter in Java - GeeksforGeeks
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Getter and Setter are methods used to protect your data and make your code more secure. Getter returns the value (accessors), it returns the ... 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ChangeLanguage DataStructuresAlgorithmsInterviewPreparationTopic-wisePracticeC++JavaPythonCompetitiveProgrammingMachineLearningJavaScriptSDESheetPuzzlesGFGSchoolProjects RelatedArticles ▲RelatedArticlesArraysinJavaSplit()StringmethodinJavawithexamplesArrays.sort()inJavawithexamplesFor-eachloopinJavaReverseastringinJavaObjectOrientedProgramming(OOPs)ConceptinJavaHowtoiterateanyMapinJavaHashMapinJavawithExamplesInitializeanArrayListinJavaArrayListinJavaMultidimensionalArraysinJavaStackClassinJavaInterfacesinJavaOverridinginJavaHowtoaddanelementtoanArrayinJava?LinkedListinJavaSingletonClassinJavaSetinJavaConvertaStringtoCharacterArrayinJavaInheritanceinJavaClassesandObjectsinJavaQueueInterfaceInJavaCollectionsinJavaCollections.sort()inJavawithExamplesInitializingaListinJavaMultithreadinginJavaMathpow()methodinJavawithExamplePolymorphisminJavaPriorityQueueinJavaHowtodeterminelengthorsizeofanArrayinJava?ArraysinJavaSplit()StringmethodinJavawithexamplesArrays.sort()inJavawithexamplesFor-eachloopinJavaReverseastringinJavaObjectOrientedProgramming(OOPs)ConceptinJavaHowtoiterateanyMapinJavaHashMapinJavawithExamplesInitializeanArrayListinJavaArrayListinJavaMultidimensionalArraysinJavaStackClassinJavaInterfacesinJavaOverridinginJavaHowtoaddanelementtoanArrayinJava?LinkedListinJavaSingletonClassinJavaSetinJavaConvertaStringtoCharacterArrayinJavaInheritanceinJavaClassesandObjectsinJavaQueueInterfaceInJavaCollectionsinJavaCollections.sort()inJavawithExamplesInitializingaListinJavaMultithreadinginJavaMathpow()methodinJavawithExamplePolymorphisminJavaPriorityQueueinJavaHowtodeterminelengthorsizeofanArrayinJava?GetterandSetterinJavaViewDiscussion ImproveArticle SaveArticle LikeArticle DifficultyLevel: EasyLastUpdated: 05Jul,2022ReadDiscussViewDiscussion ImproveArticle SaveArticle LikeArticle GetterandSetteraremethodsusedtoprotectyourdataandmakeyourcodemoresecure.Getterreturnsthevalue(accessors),itreturnsthevalueofdatatypeint,String,double,float,etc.Fortheprogram’sconvenience,getterstartswiththeword“get”followedbythevariablename.WhileSettersetsorupdatesthevalue(mutators).Itsetsthevalueforanyvariableusedinaclass’sprograms.andstartswiththeword“set”followedbythevariablename.GetterandSettermaketheprogrammerconvenientinsettingandgettingthevalueforaparticulardatatype.Inbothgetterandsetter,thefirstletterofthevariableshouldbecapital.Example1Java//JavaProgramtoIllustrateGetterandSetter //Importinginputoutputclassesimportjava.io.*; //Class1//HelperclassclassGetSet{ //Membervariableofthisclass privateStringname; //Method1-Getter publicStringgetName(){returnname;} //Method2-Setter publicvoidsetName(StringN) { //Thiskeywordreferstocurrentinstanceitself this.name=N; }} //Class2//MainclassclassGFG{ //Maindrivermethod publicstaticvoidmain(String[]args) { //Creatinganobjectofclass1inmain()method GetSetobj=newGetSet(); //Settingthenamebycallingsettermethod obj.setName("GeeksforGeeks"); //Gettingthenamebycallinggetermethod System.out.println(obj.getName()); }}OutputGeeksforGeeksGetterandSettergiveyoutheconvenienceofenteringthevalueofthevariablesofanydatatypebytherequirementofthecode.Gettersandsettersletyoumanagehowcrucialvariablesinyourcodeareaccessedandaltered.Itcanbeseenintheprogramdiscussedbelowasfollows:Example2Java//JavaProgramtoIllustrateGetterandSetter //Importinginputoutputclassesimportjava.io.*; classGetSet{ //Membervariableofthisclass privateintnum; //Method1-Setter publicvoidsetNumber(intnumber) { //Checkingifnumberisbetween1to10exclusive if(number<1||number>10){ thrownewIllegalArgumentException(); } num=number; } //Method2-Getter publicintgetNumber(){returnnum;}} //Class2//MainclassclassGFG{ //Maindrivermethod publicstaticvoidmain(String[]args) { GetSetobj=newGetSet(); //Callingmethod1insidemain()method obj.setNumber(5); //Printingthenumberassettedabove System.out.println(obj.getNumber()); }}Output5Outputexplanation:Herewecanseethatifwetakeavaluegreaterthan10thenitshowsanerror,ByusingthesetNumber()method,onecanbesurethevalueofanumberisalwaysbetween1and10.Thisismuchbetterthanupdatingthenumbervariabledirectly.Note:ThiscouldbeavoidedbymakingthenumberaprivatevariableandutilizingthesetNumbermethod.Usingagettermethod,ontheotherhand,isthesolewaytoreadanumber’svalue.MyPersonalNotes arrow_drop_upSave LikePreviousJava-ExceptionHandlingWithConstructorsinInheritanceNext HowtoHandletheSSL(HTTPs)CertificationPathExceptioninAndroidApplications?RecommendedArticlesPage:02,Mar2101,Feb2221,Mar2117,Nov2101,Feb2215,Feb2215,Feb2215,Feb2225,Feb2209,Mar2207,Apr2102,Feb2105,Jan2123,Mar2130,Oct1701,Nov1720,Nov1724,Nov1724,Nov1717,May1831,Dec1921,May2019,Feb2127,Feb20ArticleContributedBy:sachinyadavshiv8@sachinyadavshiv8VotefordifficultyCurrentdifficulty: EasyEasy Normal Medium Hard ExpertImprovedBy:mehtayash2001gulshankumarpal4ayushjhaaj23ArticleTags:JavaPracticeTags:JavaReportIssueWritingcodeincomment? 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